Acer R1 R221Q 21.5"Dell UltraSharp UP2516D 25"
Top 29%619 points
Top 29%
Top 22%678 points
Top 22%
Acer R1 R221Q 21.5"
Dell UltraSharp UP2516D 25"
vs
Top specs and features

Acer R1 R221Q 21.5" vs Dell UltraSharp UP2516D 25": 42 facts in comparison

1. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
45W

2. 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"
Dell UltraSharp UP2516D 25"
85% have it

3. screen size

The bigger the screen size is, the better the user experience.
21.5"
Sharp LB-1085: 108"
25"

4. 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"
Dell UltraSharp UP2516D 25"
60% have it

5. 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"
Dell UltraSharp UP2516D 25"
83% have it

6. 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
1000:1

7. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Acer R1 R221Q 21.5"
Dell UltraSharp UP2516D 25"
27% have it

8. 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"
Dell UltraSharp UP2516D 25"
33% have it

9. weight

1.78kg lighter.
2.3kg
Asus VX278Q 27": 4.5g
4.08kg

10. 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"
Dell UltraSharp UP2516D 25"
56% have it

11. resolution

1.78x higher resolution.
1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
2560 x 1440px

12. height

35.5mm shorter.
302.3mm
Asus VP228N 21.5": 3.9mm
337.8mm

13. power consumption on standby

How much power the device consumes when shut down but still plugged in.
0.5W
Asus MB168B Plus: 0W
0.3W

14. luminance

Luminance is the intensity of light that a device emits.
250cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
300cd/m²

16. 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"
Dell UltraSharp UP2516D 25"
29% have it

17. shipping weight

The shipping weight gives you the information about the all package weight.
3.7kg
Asus VP247N 23.6": 0.8kg
8.8kg

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"
Dell UltraSharp UP2516D 25"
76% have it

19. thickness

23.3mm thinner.
224mm
LG 22EA53VQ: 5.5mm
200.7mm

20. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer R1 R221Q 21.5"
Dell UltraSharp UP2516D 25"
79% have it

21. 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"
Dell UltraSharp UP2516D 25"
34% have it

22. 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"
Dell UltraSharp UP2516D 25"
4% have it

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"
Dell UltraSharp UP2516D 25"
69% have it

24. width

69.6mm narrower.
498.1mm
Toshiba PA3923U-2LC3: 340.5mm
567.7mm

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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