vs
vs
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
HP DreamColor LP2480zx
Top 38%633 points
Top 38%
Top 1%1,003 points
Top 1%
Top 16%859 points
Top 16%
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
HP DreamColor LP2480zx
Top specs and features

Acer R1 R221Q 21.5" vs Dell UltraSharp U2413 24" vs HP DreamColor LP2480zx: 45 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
Acer Predator XB2 (XB252Q) 24.5": 1ms
6ms
6ms

2. screen size

The bigger the screen size is, the better the user experience.
21.5"
Sharp LB-1085: 108"
24"
24"

3. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
130W
90W

4. 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 U2413 24"
HP DreamColor LP2480zx
86% have it

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"
Dell UltraSharp U2413 24"
HP DreamColor LP2480zx
61% have it

6. resolution

1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
1920 x 1200px
1920 x 1080px

7. pixel density

102ppi
Dell UltraSharp UP3218K: 280ppi
94ppi
92ppi

8. 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 U2413 24"
HP DreamColor LP2480zx
84% have it

9. 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 U2413 24"
HP DreamColor LP2480zx
28% have it

10. 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
3000:1

11. 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 U2413 24"
HP DreamColor LP2480zx
33% have it

12. luminance

Luminance is the intensity of light that a device emits.
250cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
350cd/m²
250cd/m²

13. 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 U2413 24"
HP DreamColor LP2480zx
80% have it

14. 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 U2413 24"
HP DreamColor LP2480zx
56% have it

15. 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 U2413 24"
HP DreamColor LP2480zx
70% have it

16. weight

2.3kg
Asus VX278Q 27": 4.5g
5kg
12.5kg

17. 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
3W

18. 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
2
1

19. height

302.3mm
Asus VP228N 21.5": 3.9mm
361.7mm
375mm

20. thickness

224mm
LG 22EA53VQ: 5.5mm
200.4mm
98mm

21. width

498.1mm
Toshiba PA3923U-2LC3: 340.5mm
556mm
565mm

22. display colors

Number of colors that a display can accurately reproduce.
16.7m
Dell UltraSharp UP2716D 27": 1074m
1074m
1000m

23. 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 U2413 24"
HP DreamColor LP2480zx
30% have it

24. 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 U2413 24"
HP DreamColor LP2480zx
76% 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.
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
HP DreamColor LP2480zx
41% have it

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