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ViewSonic VX2458-mhd Review: Matte 144hz 1080p TN with AMD Free-Sync

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NCX:
Best Reviewed Flicker Free 144hz 1080p Monitors

DSC_0336 by Dr NCX, on Flickr
ViewSonic VX2458-mhd product page.  AMD Free-Sync Compatible GPU List.  I did not test the Free-Sync with a graphics card since I do not own a compatible gpu.

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Review Testing Methodology & PCSpoiler (hover to show)
My room is lit by a single 2200 lumen (brightness), 6500k color temperature Animen LED light or 4x LIFX BR30 bias lights placed behind my monitors.

All testing done using a SpectraCal C6 HDR2000 (upgraded i1 Display Pro Colorimeter; a colorimeter measures the colors, contrast, brightness, gamma, ect; proof of ownership), HCFR (program used to measure the color presets and verify calibration) and dispcalGUI for calibration. I use my own cables to connect the monitors to my PC and consoles.

PixPixAn's (free software) Chase, Streaky Pictures and Flag tests were all used to test the pixel response times along with the Ghosting test from Test UFO. Input lag was tested with the Leo Bodnar Input Lag Tester.

LCD monitor test images test patterns from Lagom were used to test the colors along with tons of photos from Wallpapers Wide.

PC:

Motherboard: MSI M87
CPU: Intel i7 4770k
Case: Lian Li PC80
GPU: Zotac GTX 980 Ti AMP! Extreme
Ram: 16gb Patriot G Viper Xtreme 2133mhz
Power Supply: Antec High Current Pro 1200w

NCX:
Table of Content

DSC_0308 by Dr NCX, on Flickr

Features & Stand
Menu & Set-Up
Flicker/PWM Dimming
Brightness & Contrast
Matte Coating
Ghosting/Overdrive Performance
Input Lag
Preset Color Accuracy
Un-Calibrated versus Calibrated Gallery
Calibrated Image Quality
Back-Light Bleed & Uniformity
Perceived Black Depth & Glow
Vertical Gamma Shift & Viewing Angles
PS3 & PS4 + Pro
Xbox 360 & Xbox One
Settings & ICC Profile
Conclusion

DSC_0226 by Dr NCX, on Flickr

NCX:
Features & Stand

DSC_0296 by Dr NCX, on Flickr
The VX2458-mhd's matte, 144hz, 1920x1080 AUO TN panel supports AMD Free-Sync, is housed in sturdy black plastic casing, and has one downward facing Displayport (48-144hz Free-Sync range) and two HDMI 2.0 ports (48-120hz Free-Sync range) in the back.  The stand only allows for tilting, is quite wobbly, and the bezel is made of glossy black plastic which reduces the perceived black depth and attracts dust.  Button indicators are located on the bottom right size of the bezel, and the buttons are on the back.  The VX2458-mhd comes with a Disayplort cable and power cable. 

ViewSonic VX2458-mhd

VIewSonic VX2458-mhd by Dr NCX, on Flickr

NCX:
Menu & Set-Up

DSC_0169 by Dr NCX, on Flickr
ViewSonic VX2458-mhd Menu Photo Album
The Free-Sync setting is the only setting which needs to be changed, and only if using a Free-Sync compatible graphics card or Xbox One X.  I do not have a Free-Sync compatible graphics card, but I did test the VewSonic with the Xbox One X.  The Free-Sync setting must be enabled in the monitors Set-Up Menu, and the Xbox One X must be restarted or power cycled for the Xbox One X to recognize the monitor as Free-Sync compatible and make the the Allow Variable Refresh Rate Option to be selected or de-selected:


DSC_0440 by Dr NCX, on Flickr
Refer to the Xbox 360 & Xbox One section of the review for console settings.


Response Time/Overdrive Control
Spoiler (hover to show)
DSC_0438 by Dr NCX, on Flickr
The Advanced Response Time is the default setting, and may be considered to be the best by those sensitive to the tiny amount of overshoot the Ultra Fast setting causes.  Read the Ghosting/Overdrive part of the review for my in-depth analysis.  The Response Time setting is located in the Manual Image Adjust menu.

NCX:
Flicker/PWM Dimming

DSC_0220 by Dr NCX, on Flickr
The ViewSonic is advertised as Flicker Free, which means it does not use back-light flicker or LED PWM Dimming (read about the side effects), regardless of high or low the brightness is set.  I checked for and did not see LED PWM Dimming with the Blur Busters Test UFO Blur Trail/PWM Test with 0-100% brightness settings in the ViewSonic's menu. The lack of PWM is a good since PWM or Flicker ruins motion clarity (example), and makes some people suffer from health issues such as headaches, and/or eyestrain.  PRAD's oscilloscope measurements also confirm that the VX2458-mhd is Flicker-Free as advertised, or does not use LED PWM Dimming.

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