Asus PB238QAcer R1 R221Q 21.5"NEC X401S
Top 6%940 points
Top 6%
Top 37%631 points
Top 37%
Top 15%852 points
Top 15%
Asus PB238Q
Acer R1 R221Q 21.5"
vs
NEC X401S
vs
Top specs and features

Asus PB238Q vs Acer R1 R221Q 21.5" vs NEC X401S: 44 facts in comparison

1. response time

Response time is how long it takes for a display to change the state of pixels, in order to show new content. The less time it takes to respond, the less likely it is to blur fast-changing images.
6ms
Acer Predator XB2 (XB252Q) 24.5": 1ms
4ms
8ms

2. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
22W
110W

3. screen size

The bigger the screen size is, the better the user experience.
23"
Sharp LB-1085: 108"
21.5"
40"

4. has a HDMI output

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
60% have it

5. resolution

1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
1920 x 1080px
1920 x 1080px

6. every pixel has three subpixels

The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
85% have it

7. supports total tilt

Total tilt adjustment is the ability for the monitor head to move up and down. Tilt adjustment enables a user to change the viewing position of the display, creating a more comfortable view of the screen.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
83% have it

8. pixel density

95.78ppi
Dell UltraSharp UP3218K: 280ppi
102ppi
55ppi

9. contrast ratio

Contrast ratio is the visual distance between the lightest and the darkest colors that may be reproduced on the display. A high contrast ratio is desired, resulting in richer dark colors and more distinctive color gradation.
80000000:1
Acer XB0 XB240H 24": 100000000:1
1000:1
3500:1

10. has an IPS screen

IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of normal TFTs TN-matrices: relatively slow response times, small viewing angles and low quality color reproduction.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
33% have it

11. luminance

Luminance is the intensity of light that a device emits.
250cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
250cd/m²
500cd/m²

12. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
79% have it

13. Supports VESA mount

The VESA mount is a standard used by most manufacturers. A device that supports the VESA mount can be mounted on many different supports, from arms to wall mounts.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
69% have it

14. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
56% have it

15. thickness

57.6mm
LG 22EA53VQ: 5.5mm
224mm
43mm

16. weight

5.5kg
Asus VX278Q 27": 4.5g
2.3kg
14.9kg

17. shipping weight

The gross weight of the product when packaged, including all wrapping, and boxing.
8.4kg
Asus VP247N 23.6": 0.8kg
3.7kg
25.2kg

18. power consumption on standby

How much power the device consumes when shut down but still plugged in.
0.5W
Asus MB168B Plus: 0W
0.5W
2W

19. HDMI ports

More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.
1
Acer HN274H: 4
1
1

20. height

323.7mm
Asus VP228N 21.5": 3.9mm
302.3mm
537mm

21. width

548.4mm
Toshiba PA3923U-2LC3: 340.5mm
498.1mm
925mm

22. Has a swivel stand

A swivel stand allows you to adjust the position of the display left or right, so you can position it to the desired angle.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
34% have it

23. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
76% have it

24. has stereo speakers

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
30% have it

25. has a socket for a 3.5 mm audio jack

With a standard mini jack socket, you can use the device with most headphones.
Asus PB238Q
Acer R1 R221Q 21.5"
NEC X401S
41% have it

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