Flicker Free Monitor Database
Simon Baker, Last updated 19 May 2016

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Quick Index

Please note: There has been a massive surge in the focus on ‘flicker-free’ monitors from many manufacturers since this list was first introduced on TFTCentral. As a result, the list is almost certainly not exhaustive. We will try to keep it updated for now, but at some point we will probably have to stop maintaining it. We will of course continue to mention whether upcoming models have a flicker-free backlight in our news pieces. We will also continue to test for this in our reviews.



Introduction

For many people, finding a monitor without Pulse Width Modulation (PWM) backlight dimming is now a key consideration. We thought it would be useful to compile a resource confirming all the flicker-free monitors we have tested, along with any others which we know of from other sources. Below is a table we will keep as up to date as possible, although note that it may not be exhaustive. If you know of any other screens which are confirmed as flicker free, please email or tweet us the details and links to the tests and we will get them added.

Keep in mind the varying testing methods used by different sites linked below and some possible margin for error. Those using oscilloscopes (TFTCentral and Prad.de) should be completely accurate, but those using camera based methods may be subject to some error for high frequency PWM.

 

 

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Flicker Free Database

Models confirmed as being flicker free, without the use of Pulse Width Modulation for backlight dimming are shown below, along with some reported to be PWM but as yet, not 100% confirmed by reliable sources:

Size

Model

Confir-
med?

Source / Link

Date

Notes

17

BenQ BL702A

No

Part of new flicker free range, untested

 

 

 

 

 

 

19

BenQ BL902TM

No

Updated model in flicker free range, untested. Flicker-free P/N: 9H.L5FLA.DBE

BenQ BL912

No

Part of new flicker free range, untested

BenQ GL2023A

No

Updated model in flicker free range, untested. Flicker-free P/N: 9H.LA1LA.D8E / 9H.LA1LB.D8E

           
19.5

Asus VX207NE

No

 

 

 

 

 

 

21.5

Acer H226HQLbmid

Yes

Extrahardware

10/5/13

AOC E2276VWM6 No Advertised as flicker-free, untested
Asus VX228H No

BenQ GW2255

No

Updated model in flicker free range, untested. Flicker-free P/N: 9H.LA2LA.DPE/ 9H.LA2LB.DPE/ 9H.LA2LA.DPU

BenQ GW2265M

No

Updated model in flicker free range, untested. Flicker-free P/N: 9H.LASLA.DPE

BenQ GW2265HM

No

Updated model in flicker free range, untested. Flicker-free P/N: 9H.LASLA.DBE/ 9H.LASLA.DBU

BenQ VW2235H

No

Part of new flicker free range, untested

BenQ VX2250

No

Part of new flicker free range, untested

BenQ VZ2250 No advertised as flicker free, untested
Dell P2214H Yes Overclockers.ru 19/12/13
ViewSonic VG2233Smh No advertised as flicker free, untested

ViewSonic VX2263Smhl-W No advertised as flicker free, untested

 

 

 

 

 

 

22

BenQ BL2211M

No

Part of new flicker free range, untested.

BenQ BL2211TM

No

Part of new flicker free range, untested.

ViewSonic VG2235m No    

Advertised as flicker free, untested

 

 

 

 

 

 

23 Asus VX239H No advertised as flicker free, untested

BenQ GW2320

No

Part of new flicker free range, untested.

BenQ VX2350

No

Part of new flicker free range, untested

BenQ VX2350HM

No

Part of new flicker free range, untested

BenQ VZ2350 No advertised as flicker free, untested
BenQ VZ2350HM No advertised as flicker free, untested

Dell S2340T

Yes

Prad.de

18/2/13

Dell U2312HM

No

Reported to be PWM free from Rev A06. Not confirmed

LG 23MB35PY-B Yes Prad.de 24/11/14
LG 23MP65D-P Yes Overclockers.ru 7/4/14

ViewSonic TD2340

Yes

Prad.de

22/4/13

ViewSonic VX2363Smhl-W No advertised as flicker free, untested

 

 

 

 

 

 

23.5 Samsung C24F390FH No
Samsung U24E590D No Advertised as flicker-free, untested

 

 

 

 

 

 

23.6 AOC E2276VWM6 No Advertised as flicker-free, untested
AOC U2477PWQ Yes PCmonitors 11/3/16
Samsung S24D390HL Yes PCmonitors 29/4/14
Samsung S24D590PL Yes NCX 30/4/14
Samsung S24E370DL No
ViewSonic VX2475Smhl Yes PCmonitors 31/12/15
           
23.8 Acer G247HU No Part of flicker free range, untested
AOC i2473Pwy Yes PCmonitors 29/5/14
AOC i2481FXH Yes PCmonitors 12/2/16
BenQ BL2420Z No
BenQ EZ2450L

No

Part of new flicker free range, untested
BenQ SW2401PT

No

Part of new flicker free range, untested

Dell P2414H

Yes

TFTCentral

8/10/13

Full range from 100 -  0% brightness

Dell P2416D Yes PCmonitors 18/10/15 Also confirmed by laptopmedia
Dell S2415H Yes PCmonitors 30/9/14
Dell U2414H

Yes

TFTCentral

23/1/14

Full range from 100 -  0% brightness

Eizo FS2434 No Advertised as flicker free at all brightness settings (not hybrid), untested
LG 24MP57VQ-P Yes Prad.de 19/10/15
LG 24MP76HM-S

Partly

ITC.ua

26/3/14

Part of Flicker-safe range. Partly tested but not thoroughly.

 

 

 

 

 

 

24 Acer GN246HLB No Part of flicker free range, untested
Acer XB240H No Part of flicker free range, untested
Acer XB240HA No Part of flicker free range, untested
AOC g2460Pg Yes PCmonitors 29/10/14
AOC i2460Pxqu Yes Prad.de 7/4/14
AOC i2473Pwm No

Advertised as flicker free, untested

BenQ BL2405HT

No

Part of new flicker free range, untested

BenQ BL2410PT

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L9JLB.RBE

BenQ BL2411PT

Yes

Prad.de

29/7/13

Part of new flicker free range. Also confirmed by Extrahardware

BenQ EW2440L

Yes

Prasys.info

2/2/14

Part of new flicker free range.

BenQ GL2450

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L7ALA.DPE/ 9H.L7ALA.DPU

BenQ GL2450HM

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L7CLA.DBE

BenQ GL2450HT

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L7CLB.DB9

BenQ GL2460

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.LA6LB.DPE/ 9H.LA6LB.RPE

BenQ GL2460HM

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.LA7LB.DBE/
9H.LA7LB.RBE

BenQ GW2450HM

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L8RLB.DBE/
9H.L8RLA.DBE

BenQ GW2460HM

No

Updated model in flicker free range, untested.
Flicker-free P/N: 9H.L9GLB.DBE/
9H.L7CLA.DBU

BenQ RL2455HM

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.LA9LB.DBE

BenQ VW2430H

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L9PLB.DWE

BenQ XL2411T

No

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L9SLB.DBE

BenQ XL2411Z

No

Part of new flicker free range, untested

BenQ XL2420T (Rev 2.0)

Yes

Prad.de

19/5/14

Updated model in flicker free range
Flicker-free P/N: 9H.L7PLB.DBE

BenQ XL2420TE

No

Part of new flicker free range, untested

BenQ XL2420G

No

Part of new flicker free range, untested

BenQ XL2420Z

Yes PCmonitors 17/3/14 Part of new flicker free range, confirmed
BenQ XL2430T

Yes

Overclockers.ru 27/11/14 Part of new flicker free range, confirmed

Dell U2415 Yes TFTCentral Confirmed flicker free
  Eizo ColorEdge CS240 No Advertised as flicker free, untested
 

HP Z24i

Yes

Prad.de

16/12/13

 
  Iiyama X2483HSU

Yes

Overclockers.ru 13/1/14  
  LG 24GM77-B Yes Prad.de 10/10/14  
  LG 24MB65Y-B Yes Prad.de 10/11/14  
  Samsung S24C750P Yes Svethardware 29/10/13  

Samsung S24C770T Yes Prad.de 30/12/13

 

ViewSonic VG2401mh No    

Advertised as flicker free, untested

ViewSonic VG2435Sm No    

Advertised as flicker free, untested

ViewSonic VG2438Sm No    

Advertised as flicker free, untested

 

 

 

 

 

 

25 Acer G257HU No Part of flicker free range, untested
Acer H257HU No Part of flicker free range, untested
Asus MX259H No
AOC Q2577PWQ No
Dell U2515H

Yes

TFTCentral

18/2/15

LG 25UM65

Yes

Philips 258B6QJEB

No

 

 

 

 

 

 

27 Acer G277HU No Part of flicker free range, untested
Acer K272HULA No Part of flicker free range, untested
Acer K272HULB No Part of flicker free range, untested
Acer S277HK No Part of flicker free range, untested
Acer XB270H No Part of flicker free range, untested
Acer XB270HA No Part of flicker free range, untested
Acer XB270HU Yes TFTCentral 24/2/15
Acer XB271HK Yes TFTCentral 26/2/16
Acer XB271HU No
Acer XF270HU No
Acer XG270HU Yes TFTCentral

Achieva Shimian QH270

Yes

Prad.de

15/7/12

No backlight control, brightness reduces contrast ratio. Also confirmed in our lab

Achieva Shimian 27" IPS Zero-G

Yes

TFTCentral

14/8/13

No backlight control, brightness reduces contrast ratio. Confirmed in our lab

AOC AGON AG271QX No
AOC i2781FH No
AOC q2770pqu Yes TFTCentral 16/7/14 Also confirmed by PCmonitors
AOC Q2781PQ No

Apple 27" Cinema Display

No

Reported to be PWM free, unconfirmed

Apple 27" Thunderbolt

No

Reported to be PWM free, unconfirmed

Asus MG279Q Yes TFTCentral
Asus MX279AQ

No

Advertised flicker free, unconfirmed

Asus PB279Q No
Asus PB278QR No Part of EyeCare range, untested
Asus ROG Swift PG278Q Yes TFTCentral 17/7/14
Asus ROG Swift PG279Q Yes TFTCentral 23/10/15
Asus ROG Swift PG279AQ Yes PCmonitors 9/12/15
Asus VC279H Yes Prad.de 7/9/15
Asus VC279N-W No
Asus VX278H No
Asus VX278N No
Asus VX278Q No
BenQ BL2700HT No Flicker free range

BenQ BL2710PT

Yes

TFTCentral

23/10/13

confirmed in our lab and review

BenQ EW2740L

Yes

Overclockers.ru

6/2/14

Part of new flicker free range, confirmed by Overclockers.ru. Also confirmed by Prad.de

BenQ GW2750HM

Updated model in flicker free range, untested
Flicker-free P/N: 9H.L8NLB.DBE

BenQ GW2760HM

No

Part of new flicker free range, untested
Flicker-free P/N: 9H.L9LLA.DBE

BenQ GW2760HS

Yes

TFTCentral

21/6/13

BenQ Flicker free range
Flicker-free P/N: 9H.L9NLB.QBE/ 9H.L9NLB.RBE

BenQ GW2765HT Yes TFTCentral

Part of new flicker free range, confirmed

BenQ PV270 No
BenQ SW2700PT

No

Part of new flicker free range, untested

BenQ XL2720G

No

Part of new flicker free range, untested

BenQ XL2720Z

Yes

TFTCentral

Part of new flicker free range

BenQ XL2730Z Yes TFTCentral

Part of new flicker free range

Dell P2714T Yes Prad.de 10/3/14
Dell S2716DG Yes TFTCentral

Dell S2740L

Yes

TFTCentral

5/11/12

Also confirmed by Prad.de

Dell U2713H

Yes

TFTCentral

11/1/13

Dell U2713HM

Yes

TFTCentral

22/8/12

Also confirmed by Prad.de

Dell U2715H Yes TFTCentral 12/12/14 Also confirmed by Prad.de
Dell U2716D Yes PCmonitors 20/1/15

DGM IPS-2701WPH

Yes

TFTCentral

19/7/12

Eizo ColorEdge CS270 No Part of new flicker free range, untested
Eizo Foris FS2735

Yes

TFTCentral

1/2/16

Fujitsu P27T-7 LED

Yes

Prad.de

19/8/13

Also confirmed by Extrahardware

HP Z27i Yes Overclockers.ru 27/1/14

HP ZR2740w

Yes

TFTCentral

20/11/12

Also applies to v2 of the screen

Iiyama Black Hawk  GE2788HS No

Advertised as flicker free, untested

Iiyama XB2783HSU Yes Prad.de 24/3/14
LG 27MP75HM Yes Overclockers.ru 4/3/14
LG 27MP77HM-P Yes Prad.de 5/10/15

Monoprice 27" IPS Zero-G

Yes

TFTCentral

14/8/13

No backlight control, brightness reduces contrast ratio. Confirmed in our lab

Philips 272G5DYEB Yes PCmonitors 13/11/14
Philips 272P4APJKHB No

Advertised as flicker free, untested

Samsung C27F390FH No
Samsung C27F591FD No

Samsung S27C750P

Yes

PCmonitors

22/6/13

Samsung S27E370DS No
Samsung S27E510C No

Advertised as flicker free, untested

ViewSonic VP2770-LED

Yes

TFTCentral

27/9/12

Also confirmed by Prad.de

ViewSonic VP2780-4K

Yes

TFTCentral

30/7/15

 

 

 

 

 

 

28 Acer XB280HK No Advertised as flicker free, untested
Acer XB281HK No
Asus PB287Q Yes Overclockers.ru 13/11/14
Asus VN289H No Eye-care range
Asus VN289Q No Eye-care range
Iiyama B2888UHSU-B1 Yes Prad.de 29/9/14
ViewSonic VG2847Smh No Flicker free range
ViewSonic VG2860MHL-4K No Flicker free range
ViewSonic VX2880ml No Flicker free range

 

 

 

 

 

 

29 Acer B296CL Yes Overclockers.ru 9/1/14

AOC q2963Pm

Yes

PCmonitors

7/6/13

Also confirmed by Prad.de

Asus MX299Q Yes Prad.de 10/2/14
Asus PB298Q Yes Prad.de 24/10/13
Asus VN289H-W No

Dell U2913WM

Yes

TFTCentral

22/1/13

Also confirmed by Prad.de

LG 29UB65-P Yes Prad.de 23/6/14
LG 29UC97 Yes 3Dnews.ru Advertised as flicker safe, untested
LG 29UM65 No Advertised as flicker safe, untested

Philips 298P4

Yes

Extrahardware

26/7/13

Samsung U28E590D No Advertised as flicker free, untested

Samsung U28E850R No Advertised as flicker free, untested
           
30.0 Iiyama XB3070WQS No Advertised as flicker free, untested
NEC EA304WMi Yes Overclockers.ru 23/10/14 Advertised as flicker free, untested
           
31.0 LG 31MU97 Yes Prad.de 2/2/15
           
31.1 Eizo CG318-4K No Advertised as flicker free at all brightness settings (not hybrid), untested
           
31.5 Eizo EV3237 No Advertised as flicker free at all brightness settings (not hybrid), untested
Samsung U32D970Q No Part of flicker safe range, untested
Samsung U32E850R No Part of flicker safe range, untested
           
32 Acer B215HUL No Part of flicker safe range, untested
Asus PA328Q No
BenQ BL3200PT Yes TFTCentral 8/5/14 Part of flicker free range
BenQ BL3201PT No Flicker free range
BenQ BV3200PT No
BenQ PV3200PT No
Philips BDM3270PQ No Advertised as flicker free, not tested
Philips BDM3275UP No Advertised as flicker free, not tested
QNIX QX320QHD Yes TFTCentral 12/2/15 Confirmed flicker free, but no backlight adjustment offered from brightness
           
34 Acer Predator XR341CK Yes TFTCentral 8/7/15
Acer Predator X34 Yes TFTCentral Should be flicker free like XR341CK
AOC Q3277Pqu No
AOC U3277Pqu No
AOC u3477Pqu Yes Prad.de 5/12/14 Advertised as flicker free, Confirmed
Asus ROG Swift PG348Q Yes TFTCentral 25/3/16
Dell U3415W Yes TFTCentral 11/3/15
LG 34UC97 Yes Prad.de 15/12/14 Part of 'Flicker safe' range. Confirmed
LG 34UC98 No
LG 34UM65 Yes Prad.de 13/10/14 Part of 'Flicker safe' range. Confirmed
LG34UM67 Yes Prad.de 29/6/15
LG 34UM95 Yes TFTCentral 5/9/14 Part of 'Flicker safe' range. Confirmed
           
35 Acer Predator XZ35CU No
Acer Predator Z35 Yes TFTCentral
AOC C3583FQ Yes PCmonitors.info 6/4/16
BenQ  XR3501 Yes Prad.de 21/9/15 Advertised as flicker free, untested
           
42.51 Philips BDM4350UC Yes PCmonitors.info 13/5/16

Hybrid Backlight Dimming

Below are a list of models which are flicker free for part of their brightness adjustment range, but do use some form of PWM for other parts of the adjustment range.

Size

Model

Confir-
med?

Source / Link

Date

Notes

22

Eizo EV2216W

No

Marketed as flicker free with "hybrid solution". Expected no PWM down to 20% brightness

           
23

Eizo EV2316W

No

Reported to be PWM above 20% brightness

Eizo EV2336W

Yes

Prad.de

3/6/13

PWM free down to 20% brightness, but used at 200Hz below

           

23.5

Eizo Foris FG2421

Yes

TFTCentral

7/11/13

Confirmed PWM free from 100 - 20 brightness. High PWM frequency of 18Khz from 20 - 0.

           
23.8 Eizo Foris FS2434 Yes Prad.de 17/11/14 Confirmed PWM free from 100 - 6 brightness.
Eizo EV2450 Yes TFTCentral 12/12/14 No PWM down to 20% brightness, below that very high freq (18Kz) and low amplitude oscillation only
           
24

Dell U2413

Yes

TFTCentral

13/2/13

No PWM down to 20% brightness, but used 19 - 0% at high 8750Hz

Eizo EV2416W

No

Marketed as flicker free with "hybrid solution". Expected no PWM down to 20% brightness

Eizo EV2436W

Yes

TFTCentral

27/6/14

Also confirmed by Prad.de. Flicker free down to 20% brightness, below that 200Hz PWM used

Eizo EV2455

Yes

TFTCentral 25/1/15

No PWM down to 20% brightness, below that very high freq (18Kz) and low amplitude oscillation only. Also confirmed by Prad.de

           
27 Acer B276HUL Yes Overclockers.ru 13/2/14 Looks to be PWM free but maybe some hybrid high freq PWM at brightness <20%. Also confirmed by Prad.de

Eizo EV2736W

Yes

TFTCentral

11/6/14

PWM free down to 20% brightness, but used at 200Hz below. Also confirmed by Extrahardware and Prad.de

Eizo Foris FS2735

Yes

TFTCentral

27/1/16

PWM free down to 55% brightness, with low amplitude 2000Hz oscillation below

Samsung S27E650C

Yes

PCmonitors

26/11/15

PWM free down to 30% brightness, but 180Hz PWM used below

           
32 Samsung S32D850T Yes Prad.de 19/12/14 Not specified in review at what setting PWM kicks in


Other Honourable Mentions

Below are some additional monitors which may be flicker free. This includes monitors which some reviews have tested to be PWM free, while other reviews suggest otherwise.

Size

Model

Source / Link

Date

Notes

24

Asus PA249Q

Prad.de

30/9/13

Not full PWM control, but some oscillation. Low chance of flicker and very high freq of 25Khz

Dell S2440L

TFTCentral

5/10/12

Our unit and that tested by PCmonitors.info showed no PWM. Other reviews including Prad.de showed PWM at 360Hz. Possibly two versions?

Dell UP2414Q User reports suggest PWM free, untested by review sites so may be high frequency PWM control.

Samsung S24A850D

Extrahardware

19/12/12

Not full PWM control, but some oscillation. Low chance of flicker.

 

 

 

 

 

27

Asus PA279Q

Prad.de

14/10/13

Not full PWM control, but some oscillation. Low chance of flicker and very high freq of 12Khz

Dell UP2715K Prad.de 12/10/15 Not PWM free, but very high frequency at 20.8Khz
LG 27EA83 User Report 19/2/14 Possible new version without PWM as reported by user romkyns on Hardforum

Samsung S27A850D

Prad.de

9/3/12

Not full PWM control, but some oscillation. Low chance of flicker. Also confirmed by Extrahardware

Samsung S27B970D

TFTCentral

14/8/12

Prad.de test unit showed low amplitude PWM at 180Hz while our unit showed no PWM. Possible variation in units?

 

 

 

 

 

30

Lenovo LT3053p

Prad.de

18/11/13

PWM free, although some very high frequency oscillation, but that shouldn't be perceptible

 

 

 

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