Samsung SM245T
Simon Baker, 7 May 2008

 


 

 

 

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Samsung have been a major player in the monitor market now for some time, and thankfully still produce a wide range of new and interesting models for buyers to consider. With their own panel module production arm, Samsung also have access to their own PVA / S-PVA panel technology, and while it is becoming less widely used nowadays, it is still encouraging to see it has not been phased out completely. We have already reviewed one of their flagship 24" models, the SM245B, which interestingly has received far more attention than the model we have with us today. The SM245B was one of the first 24" models in the market to use a TN Film technology panel, whereas the SM245T features the generally more highly regarded S-PVA matrix. Further to this, the 245T offers an extensive range of ergonomic and connectivity options, an extended colour gamut, and is the first Samsung model to feature their new Motion Picture Acceleration (MPA) technology, designed to help reduce perceived motion blur. It is therefore perhaps quite surprising that the 245T has not received more interest amongst potential buyers, but it is likely due to its high price compared with other competing models. Currently the 245T retails for ~590 in the UK, which is considerably more than the TN Film based SM245B which is only ~300. We'll discuss this in more detail later, but for now, let's take a look at the screen's specs:

Size

24"WS

Colour Depth

16.7M (8-bit), 97% NTSC colour gamut

Resolution

1920 x 1200

Viewing Angles

178 / 178

Response Time

6ms G2G

Panel Technology

S-PVA

Contrast Ratio

1500:1 DRC (1000:1 static)

Interfaces

DVI (HDCP), D-sub, HDMI (1080p), S-video, Component, Composite

Brightness

300 cd/m2

Colour

Black bezel and stand

Special Features

Tilt, height, rotate and pivot ergonomic adjustments. 4x USB 2.0 ports. Motion Picture Acceleration (MPA) function


Above: Front and side views of the 245T. Click for larger versions

The 245T is finished all over in a matt black colour, with only a silver coloured Samsung logo in the middle of the lower bezel, and 'SyncMaster 245T' logo in the top left hand corner. The screen itself uses traditional Anti-Reflective (AR) coating as opposed to any glossy solution. The design is simple, and the same as that we saw from the SM245B last year. The black finish is attractive, and materials all feel sturdy and of a good quality.


Above: Side view of 245T showing maximum and minimum tilt range. Click for larger versions

The screen offers an impressive range of ergonomic adjustments. These include a height adjustable stand (100mm - as shown below), tilt function (maximum variance shown above), pivot and rotate adjustments. A screen of this size is quite difficult to use sensibly in portrait mode I feel, but at least the option is there for those who might want to use it. All the ergonomic adjustments are very smooth to operate, and easy to manouvre. My only critisism is that the rotate feature is perhaps a little too easy to move, and so getting a nice horizontal position can be tricky. The screen therefore feels a little 'flimsy' when you try to move it around, simply because the movements are so easy and light. The rotate feature actually goes a little too far round when you return to a normal landscape setting, and so you have to manually try and align the screen to a straight level, it doesn't 'click' back into a set place as such.

On the side of the screen there are also 4x USB 2.0 ports and component connections for external devices, as shown above.


Above: rear view of screen, showing minimum and maximum height adjustment (100mm). Click for larger versions


Above: Connectivity options on back of screen. Click for larger version

The screen also offers a wealth of connectivity options, helping to separate it from the SM245B which only features a VGA and DVI interface. On the back of the screen you have access to VGA and DVI as expected, and there is also an HDMI interface (1080p supported), composite and S-Video interface. This affords you with a wide range of options should you want to connect external devices such as DVD players or games consoles. The DVI interface is also HDCP compliant, for all your encrypted Blu-Ray and HD-DVD content. Component is located on the side of the screen for some reason, presumably to make it easier to access? It would have been nicer to see this at the back of the screen to be honest, where cables are more hidden and out of the way. On that note, there is no cable tie facility at the back of the screen either which is a shame.


Above: power connection and switch. Click for larger version

The 245T has an integrated power supply, and so you need only a normal kettle lead plug (provided) to power the screen. There is also a power on/off switch at the back (as shown above) which is quite rare really for some reason.


Above: OSD operational buttons on front of screen, click for larger version

The front of the screen features the usual Samsung design OSD operation buttons. These are small and discreet, and easy to operate. There is quick access to the MPA function (more on this later), the MagicBright preset modes, brightness control, source (interface options), auto (for setting up VGA) and PIP (picture in picture).


Above: OSD interface showing MagicBright preset modes

The power buttons glows a subtle and attractive blue colour when turned on, and goes orange when in standby. Overall, I can't really fault the monitors range of interface options and ergonomic adjustments.

 

 


Colour Quality and Accuracy

The Samsung SM245T utilises an 8-bit panel offering a colour palette of 16.7 million colours. The screen uses enhanced W-CCFL backlighting and so it's colour gamut covers 97% of the NTSC colour space according to Samsung's specification.

An important thing to consider for most users is how a screen will perform out of the box and with some basic manual adjustments. Since most users won't have access to hardware colorimeter tools, it is important to understand how the screen is going to perform in terms of colour accuracy for the average user. I restored my graphics card to default settings and set it to its standard profile. The  245T was tested at default factory settings out of the box using the LaCie Blue Eye Pro and their accompanying software suite.

Default OSD settings of the screen were as follows:

Monitor OSD Option

Default Setting

Brightness

100

Contrast

75

RGB

50 / 50 / 50

MagicBright mode

Custom

Color Innovasion moode

Custom

Colour Tone

Normal

Gamma

+0

6-Color settings for Hue and Saturation

All left at 50



Samsung SM245T - Default Settings


 

Default Settings

luminance (cd/m2)

320

Black Point (cd/m2)

0.25

Contrast Ratio

1280:1

 

Out of the box the screen looked nice and bright and colours felt vivid and quite attractive. You could immediately tell that the screen uses W-CCFL backlighting as green and red shades looked very deep and considerably different to the eye as compared with a standard monitor (72% NTSC colour gamut backlighting). The screen was a little bright however for comfortable use. I hooked up the LaCie Blue Eye Pro to determine what the default results were.

 

The results here help confirm our initial subjective analysis. The screens luminance was way off the desired 120 cd/m2, that being the recommended setting for LCD screens in normal lighting conditions. The value was recorded here at 320 cd/m2, massively out from the target luminance, and even slightly higher than the manufacturer specified 300 cd/m2 maximum brightness. At default settings black depth was recorded at a respectible 0.25 cd/m2, giving a static contrast ratio of 1280:1. This was a very good result, and even higher than the 1000:1 value quoted by the manufacturer (note, DCR was off in these tests, so this was a static contrast ratio).  Gamma was recorded at 2.1, which is very close to the target 2.2 level, being the default for computer monitors. Colour temperature was also pretty close to the target 6500k (daylight temperature), and was recorded at 8% out, at a level of 5989k.

 

The CIE diagram on the left hand side shows that the black triangle representing the monitors colour gamut stretches outside that of the the sRGB colour space. Traditional monitors use standard CCFL backlighting, which offers a colour gamut covering 72% of the NTSC colour space. Remember, the NTSC colour space is just a reference standard which is being commonly used at the moment to quote specs of monitors, and 72% coverage of NTSC equates to pretty much the sRGB standard colour space. The SM245T, like many modern screens, uses enhanced wide colour CCFL (W-CCFL) backlighting, capable of offering a gamut which extends beyond the sRGB space. In the case of the  245T, the NTSC coverage is specified as 97%, and this is evident by the fact that the monitors gamut in the above tests stretches much further outside the sRGB space, particularly in green shades.

 

As a reminder, the graph on the right hand side above shows DeltaE (dE 94) values across 16 shades of colours as measured by the device. In simple terms, the lower these bars are down the Y-axis, the better, in terms of colour accuracy. For reference, LaCie describe the DeltaE readings as:

  • If DeltaE >3, the color displayed is significantly different from the theoretical one, meaning that the difference will be perceptible to the viewer.

  • If DeltaE <2, LaCie considers the calibration a success; there remains a slight difference, but it is barely undetectable.

  • If DeltaE < 1, the color fidelity is excellent.

Overall, at default settings the 245T had an average dE of only 3.8, with a maximum value recorded at 7.5. Colour accuracy would be considered pretty poor overall, but the degree of inaccuracy was fairly consistent across the colour range. Clearly some form of calibration would be needed here if you wanted to get the most out of this screen, or use it for any work which requires colour accuracy to be reliable. Unfortunately this is becoming quite common on modern screens, where accurate colours from the factory are sacrificed in favour of bright vivid settings. The screen may look nicer in a shop window, and some people may even prefer the bright and cartoony colours for video and games, but in reality, the accuracy of the colours displayed is way off. Fortunately, we have a high-end colorimeter device available here which will allow us to calibrate the screen properly, and determine what it is capable of with adjusted settings.

 


Samsung SM245T - Calibrated Settings

 

Monitor OSD Option

Adjusted Setting

Brightness

20

Contrast

75

RGB

50 / 49 / 54



 

 

Calibrated Settings

luminance (cd/m2)

120

Black Point (cd/m2)

0.24

Contrast Ratio

500:1

The calibration process takes us through several stages, allowing us to fine tune the monitors OSD settings, before following an automatic adjustment of the video card LUT. It should be noted that the OSD adjustments (which are shown above) form only a small part of the overall process, while the vast majority of changes are carried out at the LUT level, with an ICC profile being created and saved.

The calibration process was a great success! Gamma, colour temperature and luminance were all corrected very nicely, as you can see from the above report. With luminance now at a far more comfortable 120 cd/m2, black depth was recorded at a very slightly improved 0.24 cd/m2. This wasn't really much of an improvement from the default reading of 0.25 cd/m2, and actually reduced out static contrast ratio considerably to 500:1. One might have hoped for a more impressive black depth from an S-PVA panel such as this.

The most impressive improvement came in regards to colour accuracy, where dE was now reduced on average to 0.5. Maximum dE was also only 1.2 and so overall, LaCie would classify the colour fidelity as excellent. The screen would now be far more suitable for colour critical work, and this goes to show again that with correct calibration, it is possible to greatly improve default factory settings of these screens. Testing the screen with colour gradients showed no obvious banding of colours, but some slight gradation in darker tones.


Above: Color Innovation mode set to 'normal'

The SM245T lacks any sRGB simulation mode, like we have seen on some other monitors offering extended colour gamuts (e.g. Dell 2408WFP). This can be useful for those wanting to work with smaller colour spaces where they do not have the high gamut content to match the monitors output. The screen does offer quite a few colour adjustments as we discussed in the intro section of this review. One of those is the 'Color Innovation' setting. The default setting is 'Custom', but switching to 'Normal' simulates a smaller gamut to a degree. I tested the screen with the LaCie probe to see how close it was to the sRGB space, and the results are shown above. The monitors gamut is slightly reduced from the 97% NTSC coverage, but not enough to simulate the sRGB space.

 


Dynamic Contrast Ratio
 

 

 

Default Settings, DCR Mode

luminance (cd/m2)

350

Black Point (cd/m2)

0.21

Contrast Ratio

1666:1

 

 

Calibrated Settings, DCR Mode

luminance (cd/m2)

236

Black Point (cd/m2)

0.24

Contrast Ratio

985:1

 

The 245T offers a dynamic contrast control, operational through a few simple presses of the 'MagicBright' preset button on the front of the screen. This technology controls the intensity of the backlight on the fly, and alters it as the content on the screen changes. I tested the two extremes of the brightest white and darkest black while this technology was turned on, in order to establish what the DCR was. The top table shows the results when the screen was at default factory settings. With luminance ranging up to a very high 350 cd/m2, and black depth as low as 0.21 cd/m2 (just marginly better than our calibrated black point), the DCR was 1666:1, even better than the manufacturers specified 1500:1 value. The second table shows the results using our calibrated profile, but with the DCR option turned on (obviously!) This offered a luminance ranging up to 236 cd/m2, a black point ranging as low as 0.24 cd/m2, and overall a dynamic contrast ratio therefore of 985:1. Still an improvement over the calibrated static contrast ratio of 500:1, but only about 2/3 rds of the overall DCR specified.

 

 


Viewing Angles



Above: Viewing angles shown from front and side, and  from above and below. Click for larger images

Viewing angles are good in all directions, thanks to the use of an S-PVA panel from Samsung themselves. Vertically the 245T shows none of the obvious contrast and colour shift that you would see from a TN Film panel, and is free from the distinct image blackening when you view from below, which is inherant to TN Film. This puts it a step ahead of models like the Samsung SM245B that we tested last year, which I found to have distracting contrast shifts as you glance around the screen from a central view. At a size of 24", the models such as this are much more suited to VA and IPS panel technology than they are to TN Film, and the 245T is testament to this. Viewing angles are slightly behind that of S-IPS matrices, such as that used in the Hazro HZ24W for example. S-IPS panels are also without the slight off-centre contrast shift anomaly of VA matrices, which can be seen here with the 245T if you know what to look for. Overall though, I have no real complaints about the viewing angles from this screen.

 


Panel Uniformity

Measurements of the screens luminance were taken at 35 points across the panel on a pure white background. The measurements were taken using BasICColor's calibration software package, combined with the LaCie Blue Eye Pro colorimeter. The above uniformity diagram shows the difference, as a percentage, between the luminance recorded at each point on the screen, as compared with the reference point of a calibrated 120 cd/m2. This is the desired level of luminance for an LCD screen in normal lighting conditions, and  the above shows the variance in the luminance across the screen compared with this point. It is worth noting that panel uniformity can vary from one screen to another, and can depend on manufacturing lines, screen transport and other local factors. This is only a guide of the uniformity of the sample screen we have for review.

 

As you can see from the above diagram, the uniformity of our review sample was pretty poor. While the top half of the screen varied up to around 5% from the 120 cd/m2 value (both more and less), the bottom half of the screen was not as uniform. There was a difference in luminance recorded between 5 and 25% less than the target value, and this even reach up to around 30% less in the very bottom areas of the panel. In simple terms, the bottom half of the screen was darker than the top half, and reached as low as 93 cd/m2 in some areas. In practice it was not too much of an issue at all, and quite hard to spot. There was some slight variation detectable when viewing a white background for instance, but nothing too severe.


Above: Backlight uniformity of a full black screen in darkened room. Click for larger version

As usual, we tested the 245T with an all black screen in a darkened room to test for backlight leakage and uniformity issues. In this test, the panel looked very even, with no obvious leakage from common problem areas like the corners or sides. A good result here.

 


Office and Windows Use

I've always been a big fan of this size screen since the high resolution of 1920 x 1200, combined with a comfortable pixel pitch of 0.270mm is ideal, in my opinion, for office use. The resolution easily affords you enough desktop real estate for side by side working (in fact I'm using it right now as I write this review!) The text size is a nice compromise between the slightly too large appearance on 19" and 22" models (higher pixel pitches of 0.294 and 0.282mm respectively) and the smaller appearance on 20" models (0.255mm). This is obviously down to personal preference, but I find it a nice level for regular office and Windows use.

Luminance out of the box is far too high for comfortable use, and you will at least need to tone the brightness control down from 100% to around 20%. Calibration is also preferrable to get a comfortable luminance. You won't want to use the Dynamic Contrast preset mode for office use, since the changing backlight level is annoying. There is a preset MagicBright mode for 'text' which might be handy for office applications, and was actually marginally darker than my calibrated 120 cd/m2 'custom' mode. The MagicBright preset menu is also very easy to access via the monitor OSD operation buttons.

The 245T offers both a D-sub VGA and digital DVI interface for connectivity. The picture quality and text sharpness was very good on both, and actually very hard to spot any difference. You can use either interface, and they will offer you a good crisp, sharp image for office work and reading text. If you have a DVI output on your GFX card, it's probably wise to use that, just to provide you with a pure digital end to end connection.

 


Responsiveness and Gaming

The Samsung SM245T was tested using the chase test in PixPerAn, a good bit of software for trying to quantify differences in real terms responsiveness between monitors. As a reminder, a series of pictures are taken on the highest shutter speed and compared. The images below show the best case example on the left hand side, and the worst case example on the right hand side. This should only be used as a rough guide to comparative responsiveness but is handy as a way of keeping a constant test of each screen.

The Samsung SM245T uses an S-PVA panel from Samsung (the LTM240CS07 module), which uses Response Time Compensation (RTC) to boost the response time across grey to grey transitions. While a traditional ISO measurement of the response time (black > white > black transition) might still suggest the panel is around 12ms, the improvement in responsiveness across the more common grey > grey transitions means the manufacturer can quote a figure of 6ms G2G. This is in keeping with other overdriven VA panels in the market, and is the same response time as offered by other similar S-PVA based screens such as the Dell 2407WFP and 2408WFP, and MVA based models like the BenQ FP241W.

As you can see from the above images, the Samsung 245T compares very well to the other  24" screens we have tested of late. The application of RTC here means that in practice, the responsiveness is superior to that of the 5ms TN Film panel of the Samsung SM245B. The 245B uses no RTC and so you can see more of a noticeable ghost image behind the moving car. On the 245T the moving car looks a little blurry, but is free from any obvious ghost images. The 245T is actually a little ahead of the new Dell 2408WFP screen in these tests, despite both being rated at 6ms G2G. I actually found the 2408WFP to be a little slower than the previous 2407WFP-HC model in these tests, and the Samsung 245T is more in keeping with the older Dell screen. The performance is also on a par with that of the S-IPS based Hazro HZ24W. All in all, it's one of the better 24" screens in these tests, when you are considering pixel response times. The screen was free of any bad overdrive artefacts such as the black ghosting issue we saw on the Dell 2407WFP-HC. This is a relief, since the panels used in these two models are very similar.


Above: OSD showing limited aspect ratio control options

The 245T does offer some basic form of aspect ratio control at a hardware level, accessed via the OSD. There are options for "wide" and "4:3" but nothing further. These are more limited aspect ratio control options than many other screens, which could prove a problem when connecting external devices, or playing games in non-native aspect formats.

As usual I tested the screen in clone mode with a CRT to determine the level of input lag. This is something which can put off some gamers and is a delay between graphics card and monitor output. By hooking up a CRT you can show that  the LCD lags behind somewhat, which can affect users in some situations where they rely on the screen image being as fast as their inputs (e.g. fast FPS shooting games). Often, input lag is very low and probably wouldn't represent too much of a problem in real terms. The top half of the graph shows results from screens we have tested here at TFT Central, with the bottom results taken from various other sources for other popular screens.

The 245T was not the best when it came to input lag sadly. The test showed a typical lag of anywhere between about 40 and 70ms, with an average of 52.5ms being recorded. This was poor in comparison to some of the other 24" models tested including the Dell 2407WFP-HC (34.3ms) and Samsung SM245B (7.5ms). It seems PVA based panels fair pretty poorly in comparison with TN Film, something we have seen across all panel sizes really when we look at the bigger picture. You can't rely on this as a hard and fast rule though, but commonly TN Film panels seem to suffer less than PVA matrices. The 245T was only a little behind the Dell 2408WFP (64.1ms) which we tested recently. If you're a hard core gamer then you may need to be wary of a lag as high as this. While the screen offers very good pixel responsiveness and an added MPA feature, the input lag does let it down a little for any serious gaming.

 


Motion Picture Acceleration (MPA)

The 245T is the first of Samsung's range to utilise their new Motion Picture Acceleration (MPA) technology. There is not much information available online about this really, and despite my best efforts, I wasn't able to get hold of any whitepapers from Samsung. What we do know before running our tests, is that MPA is designed to reduce perceived motion blur on LCD displays when viewing moving images. Because of the way LCD screens work, the human eye will always be subject to motion blur, even where response times are extremely low. This is due to image retention in the eye, and so manufacturers have been investigating ways to eliminate or reduce this. One method introduced some time ago by BenQ was their Black Frame Insertion (BFI) technology. The idea in theory for this was to introduce black single frames between every other frame of the normal image, thus supposedly 'cleaning' the eye of the image before it, and in theory, reducing perceived motion blur. In practice, from reviews around the internet, it seemed that rather than a true black frame insertion technique, the screens (FP241WZ and FP241WV) instead used a scanning backlight technology, which operated in a similar way to a CRT. By shutting down the CCFL backlight tubes one at a time, in sequence, the screens were artificially helping to clean the retained image from the eye.


Above: OSD MPA activation button

Samsung have their own technology now, and the 245T is the first to feature it. MPA seems to operate in a similar way to the BFI idea, with a sweeping of the backlighting, turning the CCFL tubes off in a series, to supposedly help clean the eye. The function is accessible via the OSD, and also via a simple easy-access button on the front of the screen. When you turn the feature on, you will immediately detect a fast flickering feel to the display, quite similar to that seen on a poorly set up or old CRT screen. I watched the moving car on the PixPerAn tests and repeatedly enabled and disabled this feature. I actually detected a slight extension of the blur when MPA was enabled, which was odd.  The blur trail of the car was slightly longer when the feature was enabled, and the added flickering of the display proved distracting in this instance. Perhaps the activation of MPA has some slight interference with Samsung's RTA (overdrive) application here? It's hard to say, and it's only slight, but I was hoping for more of an improvement really.


Above: Sequential images showing sweeping band where backlight is shut off using MPA function. Click for larger versions

I captured a series of photos on a white background, with MPA turned on, to try and demonstrate how the technology works. The image sequence is in order, left to right. You can hopefully see the darker band on the screen which appears in a kind of green colour when captured on a fast shutter speed in this way. This is where the CCFL tubes are switched off in order. The sweeping of this band goes from bottom to top and there seems to be 6 distinct bands here. This should suggest that the 245T is using 6x CCFL backlighting tubes, and each lamp is turned off once during each frame (and operates at a frequency of 60Hz).

The effectiveness of MPA is entirely subjective really, and so while one person might find it of benefit, another may not. The small number of CCFL backlight tubes used does lead to some twinkling of the image when MPA is turned on, and I certainly wouldn't recommend you have it switched on for office work or day to day use. In gaming, and fast moving images you may find that MPA helps reduce the perception of whatever motion blur remains, despite the screens good pixel response times. The sweeping at least doesn't lead to much contrast loss, and the band is not obviously black or anything like that. I tested some fast video content to see if it helped much, and thankfully the flickering you would see in static images is not detectable. However, I didn't really notice any improvement in terms of motion blur to my eye, but then this experience will vary from person to person. Try it. If you find it helps, turn it on for gaming and video. If you don't see any benefit, you don't need to use it. What I would say though is that the difference is probably not enough to make it worth buying this screen just to have MPA. Perhaps future generations of the technology will improve things further, but at the moment, I felt it didn't really offer much real use.

 


Movies and Video

The following summarises the 245T's suitability for movie viewing:

  • 24" screen size and widescreen format are nice for movie viewing

  • 1920 x 1200 resolution is enough to support true 1080 HD content. The various interfaces available can also support 1080p (progressive scan) sources

  • Wide range of interface options make this ideal for connecting many external devices. HDMI, DVI, VGA and component all present and commonly used for DVD players and games consoles.

  • Digital interfaces include HDCP support, which is important for watching encrypted (Blu-Ray / HD-DVD) content

  • Aspect ratio control available through the hardware, if somewhat limited

  • Dynamic contrast ratio option available, helping to boost contrast on the fly for changing content. This can be useful in movies, but many people do find it distracting. Our tests reveal a DRC of up to 1666:1 is possible from this screen

  • Black depth is good thanks to S-PVA panel technology, but not quite as good as some other PVA based screens we have tested. Contrast ratio, once calibrated, of 500:1 is pretty poor for an S-PVA panel. Nevertheless, black depth is superior to that of IPS panel technology on the whole, and detail in darker scenes is easy enough to distinguish

  • Wide viewing angles of the panel make it suitable for viewing movies from a wide variety of positions and angles. The screen is also suitable for viewing movies with more than one person watching

  • No obvious backlight leakage from the corners or sides which can prove distracting in movies where borders are used

  • Movie noise is average on the S-PVA panel, but not really a problem from a couple of metres away - a sensible viewing distance for a screen this size

 


Conclusion

The Samsung 245T was an interesting screen to test I felt, offering a decent range of interfaces, ergonomic adjustments and 'extra features' which were attractive. There is no doubting that the functionality of the screen is very good, second perhaps only to that of Dell's range in my opinion. The S-PVA panel technology was nice to see, and offers some very good all round performance. As usual, you will need to calibrate the screen to get decent results, but once you do, colour accuracy is excellent, and the extended gamut is there if you require it. Gaming is perhaps a target area of this screen and while pixel responsiveness was very good, the high input lag let the screen down a little bit. The MPA function is something new, and some may find it useful. I personally found it offered very little improvement or practical use, but others may disagree. If you want an alternative to the Dell screens, something with a good all round performance, and avoiding TN Film, the 245T would be a good choice.

Further Reading:

X-bit Labs Review
BeHardware Review
Samsung 245T (TestFreaks)

Pros

Cons

Excellent range of ergonomic and interface options

Relatively poor black depth and contrast ratio compared with other VA screens

Excellent colour accuracy and extended colour gamut once calibrated

Input lag is quite high

Good pixel responsiveness and added MPA function for gaming

Poor default colour accuracy

 

 

 

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