Acer R1 R221Q 21.5"Hanns.G HZ251HPB
Top 29%619 points
Top 29%
Top 28%626 points
Top 28%
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
vs
Top specs and features

Acer R1 R221Q 21.5" vs Hanns.G HZ251HPB: 42 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.
4ms
Samsung CHG70 32": 1ms
2ms

2. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
48W

3. 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.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
85% have it

4. screen size

The bigger the screen size is, the better the user experience.
21.5"
Sharp LB-1085: 108"
24.6"

5. has a HDMI output

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
60% have it

6. 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.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
83% have it

7. 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.
1000:1
Acer XB0 XB240H 24": 100000000:1
800:1

8. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
27% have it

9. weight

3.8kg lighter.
2.3kg
Asus VX278Q 27": 4.5g
6.1kg

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.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
33% have it

11. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
56% have it

12. resolution

0% higher resolution.
1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
1920 x 1080px

13. power consumption on standby

How much power the device consumes when shut down but still plugged in.
0.5W
Asus MB168B Plus: 0W
1W

14. height

131.7mm shorter.
302.3mm
Asus VP228N 21.5": 3.9mm
434mm

16. pixel density

13.33% higher pixel density.
102ppi
Dell UltraSharp UP3218K: 280ppi
90ppi

17. 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.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
29% have it

18. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
76% have it

19. thickness

23mm thinner.
224mm
LG 22EA53VQ: 5.5mm
201mm

20. supports swivel

Swivel is the ability for the monitor head to be rotated left or right. This enables users to share screen images without causing visual distortion.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
34% have it

21. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
79% have it

22. width

83.9mm narrower.
498.1mm
Toshiba PA3923U-2LC3: 340.5mm
582mm

23. 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.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
69% have it

24. displays 3D with glasses

The device displays 3D images which you can only see with special 3D glasses. Unlike glasses-free 3D displays, the screens of these devices have larger viewing angles.
Acer R1 R221Q 21.5"
Hanns.G HZ251HPB
4% have it

25. display colors

Number of colors that a display can accurately reproduce.
16.7m
Dell UltraSharp UP2716D 27": 1074m
16.7m

Top 10 monitors

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