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The best 21 monitors today use LED backlit panels with Full HD resolution to complement the screen size. Most of these models are equipped with quick response time and great contrast ratios for vibrant, sharp picture quality. The listing below represents the top models with 21" or higher, as rated by expert reviews, available from leading brands like HP, Asus, LG and Dell.

Browse All Top 21 inch Monitors »

BenQ GW2255

BenQ GW2255 Monitor


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#4

#5

BenQ GW2255
ViewSonic TD2340
Acer H236HL
ViewSonic VX2370Smh
HP ZR2330w
BenQ GW2255 Monitor
ViewSonic TD2340 Monitor
Acer H236HL bid Monitor
ViewSonic VX2370Smh-LED Monitor
HP ZR2330w LCD Monitor
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Release Date
Mar 2013
Jan 2013
Feb 2013
Dec 2012
Apr 2013
Screen Size
21.5 inch
23.0 inch
23.0 inch
23.0 inch
23.0 inch
Aspect Ratio
16:9
16:9
Widescreen (16:9)
16:9
Brightness
250.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
250.0 cd/m^2
Contrast Ratio
3000:1
20000000:1
100000000:1
1000:1
1000:1 / 1000000:1 (dynamic)
Dot Pitch
0.248 mm
0.265 mm
Max. Resolution
1920 x 1080
1920 x 1080
1920 x 1080
1920 x 1080
1920 x 1080
Response Time
6.0 ms
5.0 ms
5.0 ms
7.0 ms
14.0 ms
Color Depth
16.7 million colors
16.7 million colors
16.7 million colors
Monitor Type
LCD Monitor
LED-backlit LCD monitor / TFT active matrix
LED
LED Monitor
IPS LED Backlit Monitor

  • The Viewsonic TD2340 is an attractive touch-screen monitor featuring a gorgeous 23-inch IPS panel, 10-point touch technology, and a very flexible (albeit bulky) stand. It's more expensive than your typical 23-inch monitor though.


  • It's expensive and only has average image quality, but this versatile touchscreen has a great range of inputs and a highly flexible stand.


  • While the ViewSonic TD2340 is most definitely a niche product, the asking price is fair, and the quality of the hardware is a commendable step in the right direction.


  • The budget end of the monitor market is suddenly rife with quality 23- to 24-inch 1080p screens with cheap IPS panels in them. You've got to love the fact that you can pick up a full HD screen running one of the best monitor technologies out there for just over a ton. It certainly makes a huge difference compared to the weak, washed-out 24-inch TN panels we were once grateful to pick up for around £200.


  • The HP ZR2330w is a versatile 23-inch business monitor offering solid IPS color quality, wide viewing angles, and an ergonomic stand. However, it has trouble displaying the lightest and darkest shades of gray and uses older and slower USB technology.


Top 5 21 inch monitor:

  1. BenQ GW2255 Monitor
  2. ViewSonic TD2340 Monitor
  3. Acer H236HL bid Monitor
  4. ViewSonic VX2370Smh-LED Monitor
  5. HP ZR2330w LCD Monitor