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Thread: ViewSonic VX2770SMH-LED Review: 1920x1080 IPS

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    ViewSonic VX2770SMH-LED Review: 1920x1080 IPS


    All testing done using an i1 Display Pro Colorimeter (a colorimeter measures the colours, contrast, brightness, gamma, ect), basICColor 5 (used to measure the color presets and for ICC profiling), HCFR (software used to measure the default colours). I used the dual-link DVI input+cord to connect the ViewSonic VX2770SMH-LED to my PC.

    PixerPixAn's (free software) Chase, Streaky Pictures and Flag test were all used to test the pixel response times

    Borderlands 2 (PC), Uncharted 3 (PS3), Gears of War: 3 (360), Halo 4 (360), Dirt 3 (PC), Battlefield 3 (PC), Left 4 Dead 2 (PC), Painkiller: Hell & Damnation (PC), and Resident Evil: 4 (360) were all used to test the pixel response times.

    LCD monitor test images test patterns were used to test the colours along with tons of photos from wallpapers wide and games.




    This thread got me interested in the ViewSonic VX2770SMH-LED. I will be reviewing one in the next few weeks.

    The ViewSonic directly competes with the

    Acer S275HL: Glossy (same overshoot issues as the Dell S2740L, but it can be turned off in the service menu)
    Dell S2740L: Edge-To-Edge Glass, overshoot issues. Click Here for my Review.
    AOC i2757Fm/Fh: Click here for TFT Central's Review
    LG IPS277L: bezel is not as nice as the Viewsonic, it has the best features
    Asus MX279H: ugly bezel
    AOC i2757Fh/Fm: ugly bezel
    Last edited by NCX; 10-11-2013 at 02:17 AM.
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    Ergonomics


    Last edited by NCX; 01-16-2013 at 06:18 AM.
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    The specifications state that the VX2770SMH-LED has a 7ms response time, which is actually accurate. The best 60hz TN panels have 3-6ms measured response times (PRAD, Playerwares, Svete Hardware and Extra Hardware CZ use oscilloscopes to get the real pixel response time measurements) while best 60hz IPS have 4-10ms pixel response times. The VX2770SMH-LED falls into the fast IPS/PLS category, only enthusiast gamers will be put off by the ViewSonic's motion performance, but they would likely opt for a 120hz TN or CRT anyway.

    Motion performance was very similar to the Samsung S27A850D & Asus PB278Q I reviewed (8/10), except the ViewSonic streaks+smears a little less than both the Samsung & Asus and does not overshoot (bright or/and dark halos/shields which form around fast moving objects) either, but it streaks slightly more than my CrossOver 2720MDP (9/10) and Asus VG23AH (9/10).

    To sums thing up, the ViewSonic VX2770SMH-LED is a very fast display, it can't compete with the fastest 60hz TN panels, but it holds it's own against the fastest IPS panels (Asus VG23AH and CrossOver 2720MDP) while performing slightly better than both the Samsung S27A850D and Asus PB278Q and it trumps the Dell S2740L. The ViewSonic VX2770SMH-LED only showed light streaking+smearing that only the most experienced CRT, uber fast TN and plasma owners will be bothered by and it supports 72hz with custom timings too for a smoother gaming and movie watching experience.

    Last edited by NCX; 01-28-2014 at 04:55 AM.
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    Input Lag

    Subjectively the ViewSonic VX2770SMH-LED had no input lag compared to my CrossOver 2720MDP and Samsung S27A850D and felt just as delay free as my Asus VG23AH. Using the SMT Tool 2.51 the ViewSonic was around 9-10ms behind my CrossOver 2720MDP which has 13.6ms of input lag which means the ViewSonic has around 4-5ms of input lag which is negligible. This value is most likely wrong and a few ms off of an oscillscope measurement. PRAD.de reviewed the LG IPS277L and got 0.8ms for a signal delay, since the Viewsonic uses the same panel it should be the same.

    Only enthusiast and professional gamers who will likely opt for a 120hz TN or CRT anyway will not be satisfied by the ViewSonic VX2770SMH-LED.

    The Viewsonic will feel even more responsive when overclocked to 72h-75hz.

    Legend:
    Blue=Suitable For ALL Enthusiast CRT & 120hz+ Users
    Purple=Suitable For Some Enthusiast & ALL Regular Gamers
    Orange=Not Suitable for Enthusiast Gamers & Some Regular Gamers
    Red=Not Suitable for Enthusiast or Regular Gamers: CASUAL GAMERS ONLY

    Crossover 2755AMG: 18-20ms
    BenQ BL2710PT: 17-19ms
    Glossy Qnix QX210 96hz
    Glossy Qnix QX2710 60hz 1-3ms
    NEC P242W: 16.5ms signal delay measured by PRAD
    Matte Qnix QX210 96hz
    Matte Qnix QX2710 60hz 1-3ms
    Samsung S27C750P 60hz+ 2.5ms Signal Delay Measured by PRAD
    Viewsonic VP2770:
    7ms signal delay measured by PRAD
    Asus VG248QE: Signal Delay=1.6ms @60hz and 0.7ms @144hz measured by PRAD
    Dell U2713H Game Mode: 14ms (Measured by PC Monitors Info)
    Dell U2713H: 30ms signal delay measured by PRAD
    ViewSonic VX2770SMH-LED: 4-5ms
    Asus PB278Q: 17.8ms signal delay measured by PRAD
    Dell S2740L: Negligible
    Asus VG23AH: <5ms

    CrossOver 2720MDP Gold: 12-14ms
    Samsung S27A850D: 13.6ms signal delay measured by PRAD

    Samsung S23A700D: 12-13ms @120hz
    BenQ XL2420T: 3ms @120hz
    Asus VG236H: 3ms @120hz

    Asus PA238Q: 2.2ms signal delay measured by PRAD
    Samsung S27A950D: 13ms @120hz
    Last edited by NCX; 02-04-2014 at 12:24 AM.
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    Default Color Presets


    Color Temperature Target: 6500k
    Brightness: N/A
    Contrast: 1000:1
    Gamma Target: 2.22
    Delta E: As low as possible
    Max Gray Scale: As low as possible
    Max. Chromatic Deviation: As low as possible
    Standard Deviation: As low as Possible


    Out of the box the ViewSonic has the following settings or is set to the Native mode:

    Contrast: 70
    Brightness: 100
    Color Adjust Mode: Native
    Dynamic Contrast: Disabled

    When set to the Native preset only the contrast and brightness can be changed. The Native mode offers very good colors, though the Viewsonic's colors were slightly worse than the Dell S2740L I reviewed. My Viewsonic had a slight green tinge and the colors were not quite as punchy as they could be due to the gamma averaging around 2.06.

    When using the sRGB mode the brightness. contrast and RGB settings are locked, leaving users with an extremely dim picture due to the low preset brightness of 84 cd/m2. The sRGB mode also had a very strong green tint, so, I can not recommend using it since the other modes provide better colors.





    To adjust the RGB values one has to go into the menus (press 1 on the bezel), then go to COLOR ADJUST>USER CONTROL. Once in this mode the colors change a bit, the color temperature is raised to around 7500k and the gamma average is raised to around 2.15 (click here to see the HCFR Image). Aside from becoming much bluer due to the raised color temperature (7000k to 7500k), the gamma was raised too:

    10% Grey Native: 2.13 to 2.31 in the User Mode
    20% Grey Native: 2.12 to 2.4 in the User Mode
    30% Grey Native: 2.08 to 2.32 in the User Mode
    40% Grey Native: 2.07 to 2.20 in the User Mode
    50% Grey Native: 2.04 to 2.32 in the User Mode
    60% Grey Native: 2.08 to 2.08 in the User Mode
    70% Grey Native: 2.02 to 2.00 in the User Mode
    80% Grey Native: 2.02 to 2.05 in the User Mode
    90% Grey Native: 1.98 to 2.02 in the User Mode

    The gamma change resulted in some very minor black crush and slight, but nice over-saturation. I can see many owners preferring the colors the User mode offers. Adjusting the RGB values to achieve a 6500k color temperature skewewd the gamma a bit more, click here to see but ignore the settings. My calibrated settings can be found here, along with my ICC profile.

    The below images show the color differences (User mode gamma) vs the calibrated gamma to show the differences.

    ICC Profile Deactivated


    ICC Profile Activated


    ICC Profile Deactivated


    ICC Profile Activated


    ICC Profile Deactivated


    ICC Profile Activated


    ICC Profile Deactivated


    ICC Profile Activated


    Color Preset Chart May 2015 by thedeepinthesky, on Flickr
    Last edited by NCX; 05-20-2014 at 09:52 PM.
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    Calibrated Image Quality








    Once calibrated the ViewSonic's image quality improved considerably, mainly because the gamma was fixed and averaged around 2.2 for proper shadow detail (no black crush/dark detail loss) and proper color saturation. The contrast remained very high and the black levels remained very deep, in fact my VX2770SMH-LED's black levels were as deep as blacks get for an IPS panel and were clearly (but only slightly) deeper than any other IPS, PLS and TN panel I have used.

    I used GamutVision to calculate the sRGB color space coverage, and the Viewsonic fully covered 100% of the sRGB color space. Aside from a very slight green tint and back-light bleeding the ViewSonic VX2770SMH-LED provided very good image quality once calibrated, but it still couldn't quite match the image quality of the Dell S2740L, Samsung S27A850D and Asus PB278Q's once calibrated due to the use of a granier matte coating, very minor green tint and back-light light bleeding in the bottom left corner (this varies, it is possible to get a light bleeding free unit).

    The Viewsonic's accurate sRGB color space coverage and calibrated image quality makes it suitable for amatuer photographers and graphic designers .

    Last edited by NCX; 10-11-2013 at 04:47 AM.
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    Screen Uniformity and IPS Glow

    Lights Off: ViewSonic VX2770SMH-LED Left vs. CrossOver 2720MDP Gold Right


    The ViewSonic has a bit of back-light bleeding in the bottom left corner which was visible during day time use from a normal viewing distance (2-2.5ft) and was visible during dark scenes which was annoying, especially during movies.

    Lights On
    Last edited by NCX; 01-04-2013 at 03:52 AM.
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    Viewing Angles

    The VX2770SMH-LED's viewing angles were outstanding, especially when considering it's low price. The viewing angles were pretty much just as good as my CrossOver 2720MDP's and Samsung S27A850D's. Maybe the Viewsonic's viewing angles are not quite as good as the higher end CrossOver & Samsung, but they were not clearly inferior like the Dell S2740L I reviewed a few months back so I'm going to give it a 9.5/10 rating. Only monitors with A-TW polarizers like the NEC 2490, plasmas and CRT's offer clearly better viewing angles.










    Last edited by NCX; 01-23-2013 at 06:27 AM.
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    Last edited by NCX; 01-04-2013 at 08:15 AM.
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    Xbox 360

    To get audio with external sources use an Xbox 360 RCA adapter



    The ViewSonic works properly with the xbox 360 and it has built in speakers whose volume you can control by accessing the displays menu. 1280x720 games look as good as they should, as do 1080p HD-DVD's. Sub-HD games like Call of Duty look bad on all displays.

    Use the following Image Settings

    Enable Display Discovery in the System Settings>Console Settings>Display Settings tab or

    System Settings> Console Settings> Display> Reference Levels: Expanded

    Under the Display menu go to the Colour Space Menu and use the RGB Settings.
    Last edited by NCX; 12-31-2012 at 04:08 AM.
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