Reviews

By Jeff Mottle

NEC MultiSync EA244UHD Review

For those of you starting to author 4K footage and are looking to upgrade your display or simply add another display to you desk, I was recently sent NEC's latest 4K offering to review. I was also able to compare it to the last NEC display review we did (NEC PA301W) from their higher end professional series.

As NEC's only 4K display, the Multisync EA244UHD boasts 3840 x 2160 pixel resolution, 99.3% of the AdobeRGB color gamut and an IPS display with 178° viewing angle in both vertical and horizontal directions.

All of the testing for this display was done with a Late 2013 Mac Pro (the cylinder) using an AMD FirePro D500 graphics card over a DVI-D/Thunderbolt cable. As one might expect the resolution of this display was spectacular and 4K content looked extremely crisp and clear. However, given the EA series displays are geared towards their higher end business customers, and not graphics professionals, I was curious to see just how well the color reproduction, gamut and uniformity compared to their professionals series displays. To do this I ran a few comparisons against the NEC PA301W that I currently use as my main desktop display.  After my review of it a few years ago I was so impressed that I decided to purchase one myself!

Before I show a few of those comparisons I wanted to list the main specifications for this display.

DISPLAY      
Panel Technology AH-IPS    
Viewable Image Size 23.8"    
Aspect Ratio 16:9    
Native Resolution 3840 x 2160    
Pixel Pitch 0.14mm    
Pixels Per Inch 185@ native resolution    
Backlight Type LED    
Brightness (typical) 350cd/m2    
Contrast Ratio (typical) 1000:1    
Viewing Angle (typical) 178° Vert., 178° Hor. (89U/89D/89L/89R) @ CR>10    
ResponseTime (typical) 6ms    
Color Gamut Adobe RGB Coverage/Size (99.3% / 108.6%), NTSC Coverage/Size (94.8% / 103.7%), sRGB Coverage/Size (146.4% / 100%)    
Displayable Colors 1.07 billion out of 4.3 trillion    
       
SYNCHRONIZATION RANGE      
       
Horizontal (Analog/Digital) 31.5-134 kHz (Digital only)    
Vertical 30-75 Hz    
       
INPUT CONNECTORS      
       
DisplayPort (2), HDMI, HDMI/MHL, DVI-D Single Link (2), USB 3.0 hub (1 up/ 3 down)    
       
POWER CONSUMPTION (typical)      
       
On 79W    
Power Savings Mode 0.33W    
       
PHYSICAL SPECIFICATIONS      
       
Dimensions (WxHxD) w/stand 22.0 x 15.2 - 20.3 x 8.6 in. / 558.2 x 386.7 - 516.7 x 218.0 mm    
Net Weight w/ stand 19.2 lbs / 8.7 kg    
       
ADDITIONAL FEATURES      
 

PBP mode
PBP button
Tilt
Swivel
Pivot
Height-adjustable stand
ControlSync
Customize Setting
Integrated speakers
3-port USB 3.0 hub
LED backlit
Auto brightness with ambient light sensor
Human sensor
ECO Mode
Carbon footprint meter
Resettable cost meter
Thin frame
Carrying handle
Rapid Response
XtraView
Hot Key
Touch OSD controls
OSD Lock Out
Cable management
NaViSet software
VESA mount
HDCP
DDC/CI
Plug and Play (VESA DDC2B)
VESA DPMS power management
AccuColor color control
Digital smoothing
Digital controls
ISO 9241-307 Class I
DICOM SIM

   
       
       

The graphics below show how the NEC EA244UHD compared to AdobeRGB, sRGB colors spaces and to the gamut of the higher end NEC PA301W. The triangles represent all of the colors that are contained within the given gamut, while the horseshoe shaped diagram represents all of the colors that are visible to the human eye. 

As you can see the EA244UHD encompasses 99.3 of AdobeRGB. It does not quite cover all of the saturated greens and some blues.



As with most wide gamut displays, the EA244UHD covers the entire range of sRGB.
 



When compared to the higher end PA301W professional display, the EA244UHD actually covers a slightly larger gamut.  As an aside the PA301W was the first generation of this series and it's replacement (PA302W), based on specifications, would be very similar to the gamut of the EA244UHD displayed above. 

If you are serious about color management, you want to be sure that your colors, both luminance and whitepoint are as uniform as possible across the display.  The EA244UHD has built in uniformity controls that previously were only available on their higher end units and performance is impressive.  Both displays were calibrated and profiles using NEC's SpectraView II software.  I then used the latest i1 Profiler software from XRITE to measure uniformity at six points across the display.

In the graph above you can see the measured luminance at the center of the screen (the target for the calibration was 120 cd/m2) and  I then compared this across the display.  The largest difference was in the lower left corner at just over -5%.

I then compared the whitepoint deltas from center of display.  The target white point was 6500K.  In this case the largest delta was just over +2% in the upper left had corner.

In both cases, the luminance and whitepoint, fell well within acceptable ranges of deviation.  To get a better idea of how much better their higher end display perform in comparison, I ran the same tests on my PA301W.  Here are those results:

 

As you can see the results were very similar in the built in uniformity control's ability to maintain consistent luminance and whitepoint.  On the PA301W the luminance and whitepoint differed by just over +4% and just under -2% respectively.

Above you can see the available input ports that are available on the bottom of the display. DisplayPort (2), HDMI, HDMI/MHL, DVI-D Single Link (2), USB 3.0 hub (1 up/ 2 down) (Right to Left)

The right side of th display boast a USB3 connection as well as a headphone jack.

Conclusion

As a whole I think the EA244UHD does a very respectable job of reproducing color and would be more than adequate for any professional visualization artist who is specifically interested in having a 4K display for editing or a secondary monitor.  Due to its 24" screen size it is a bit too small to suffice as a primary display for most.  At $1,349 USD retail, the NEC EA244UHD costs slightly more than its competitors with nearly identical specifications, but having used an NEC display for the last 2.5 years I can say I have been very impressed with the overall quality.

If you are interested in color management, as everyone in our field should be, you can also purchase an NEC branded XRITE i1 Display Pro spectrophotometer with SpectraViewII software for an additional $299.

For more information about this display you can visit the NEC display website here

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NEC's 24" 4K Display, the MultiSync EA244UHD Reviewed

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About the author

Jeff Mottle

Founder at CGarchitect

placeCalgary, CA