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This selection of the best monitors is limited to the top rated monitors which are available between $250 and $400. Some of the best sub $400 monitors have been released by Asus, Dell and BenQ, with HD resolutions going above 1080p and great contrast ratios due to the LED backlighting technology they use as opposed to the traditional LCD monitors. The best LED monitors under $400 also work great to conserve energy as they are the most power efficient.

Browse All Top Monitors Under $400 »

NEC MultiSync EA294WMi

NEC MultiSync EA294WMi IPS LED Monitor


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NEC MultiSync EA294WMi
Hewlett Packard 27xi
HP Envy 27
Lenovo LI2721s Wide
Asus PA248Q
NEC MultiSync EA294WMi IPS LED Monitor
Hewlett Packard 27xi Monitor
HP Envy 27 LED-lit Monitor
Lenovo LI2721s Wide LED-Lit Monitor
Asus PA248Q
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Release Date
Jul 2013
Feb 2013
Feb 2013
Sep 2012
Jun 2012
Aspect Ratio
21:9
16:9
16:9
16:9
16:10, Widescreen
Brightness
300.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
400.0 cd/m^2
Contrast Ratio
1000:1
1000:1
10000000:1
1000:1 / 10000000:1 (dynamic)
1000:1
Max. Resolution
2560 x 1080
1920 x 1080
1920 x 1080
1920 x 1080
1920 x 1200
Response Time
6.0 ms
7.0 ms
7.0 ms
14.0 ms
6.0 ms
Screen Size
29.0 inch
27.0 inch
27.0 inch
27.0 inch
24.1 inch
Monitor Type
IPS TFT with W-LED backlight
LED Monitor
LED-backlit LCD monitor / TFT active matrix
LED-backlit LCD monitor / TFT active matrix
LED Monitor
Viewable Picture Size
29.0 in.
27.0 in.
27.0 in.
27.0 in.
24.0 in.

  • The NEC MultiSync EA294WMi is a pricey 29-inch ultra-wide monitor offering good grayscale performance, wide viewing angles, and a wealth of features. Its color is generally good but greens are a bit out of whack.


  • The Philips Brilliance 298X4QJAB also has a 21:9 aspect ratio and is £100 cheaper than this; you'd be silly to ignore its appeal in comparison.


  • Colour uniformity was very good, the biggest discrepency coming at 83% Brightness, along the top third with the middle showing a Delta-E of 4.9. Everything else was much lower. Colour accuracy overall gave an average Delta-E of 1.84 with the problem area being dark cyan colours at 4.72. Colour coverage results showed a slightly disappointing 99% sRGB coverage, 76% NTSC and 82% Adobe RGB. In the brightness test the panel could reach a high 365 cd/m2. Contrast ratio is advertised at 1000:1. In our tests, at 50% brightness it was 610:1 and at 100% a reasonable 680:1.


  • As long as you have no advanced demands, the Pavilion 27xi will meet your basic needs with aplomb.


  • The HP Pavilion 27xi is a beautifully designed 27-inch monitor featuring a bezel-less cabinet and a gorgeous IPS panel. Performance is solid but the panel?s reflective coating can be distracting.


  • HP may have placed their Pavilion name branding on their latest 27-inch display but it frankly offers the same general performance of its more expensive ENVY monitor but at a lower price. The IPS display technology provides it with wide viewing angles and some good color but it still sits at that same 1920x1080p as smaller more affordable displays. Overall, it is a good option for those that are looking for large screen with a basic set of features that still has a relatively thin profile.


  • The HP Envy 27 27-inch monitor is not only aesthetically pleasing, it delivers rich colors and premium audio quality courtesy of Dr. Dre's Beats Audio technology.It's also more expensive than most 27-inch monitors.


  • Checking the colour gamut coverage, sRGB reached 97%, Adobe RGB at 76% and NTSC at a lowly 71%. Brightness consistency was mostly satisfactory except for the right side which was much brighter - up to 16.3% difference at 100% brightness setting. Checking the screen on pure black there was clear light leak on that side too. Colour consistency across the display was fairly even, apart from the bottom centre third where it varied by Delta-E 4.4 at 100% Brightness. It wasn't the worst in colour accuracy, but not great either.


  • The Lenovo LI2721s Wide is an attractive 27-inch desktop monitor offering solid IPS color quality and wide viewing angles. Its slow pixel response may be an issue for discerning gamers, though.


  • The Asus PA248Q is a low-priced IPS monitor that doesn't skimp on performance or features.


  • The Asus PA248Q is a reasonably priced 24-inch IPS monitor offering solid performance and a generous feature set. Its grayscale performance is good but not great, though.


  • The Asus PA248Q is aimed at serious graphics professionals and enthusiasts and delivers great performance and plenty of features for the money. It offers more screen space than a typical 24inch display and offers a full set of adjustments and comes calibrated.


Top 5 monitor under $400:

  1. NEC MultiSync EA294WMi IPS LED Monitor
  2. Hewlett Packard 27xi Monitor
  3. HP Envy 27 LED-lit Monitor
  4. Lenovo LI2721s Wide LED-Lit Monitor
  5. Asus PA248Q