vs
vs
Acer R1 R221Q 21.5"
Asus MG278Q 27"
LG 34UM88-P 34"
Top 38%633 points
Top 38%
Top 1%1,012 points
Top 1%
Top 8%936 points
Top 8%
Acer R1 R221Q 21.5"
Asus MG278Q 27"
LG 34UM88-P 34"
Top specs and features

Acer R1 R221Q 21.5" vs Asus MG278Q 27" vs LG 34UM88-P 34": 45 facts in comparison

1. screen size

The bigger the screen size is, the better the user experience.
21.5"
Sharp LB-1085: 108"
27"
34"

2. 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"
Asus MG278Q 27"
LG 34UM88-P 34"
61% have it

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"
Asus MG278Q 27"
LG 34UM88-P 34"
86% have it

4. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
38.7W
70W

5. pixel density

102ppi
Dell UltraSharp UP3218K: 280ppi
108ppi
109ppi

6. resolution

1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
2560 x 1440px
3440 x 1440px

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.
Acer R1 R221Q 21.5"
Asus MG278Q 27"
LG 34UM88-P 34"
84% have it

8. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Acer R1 R221Q 21.5"
Asus MG278Q 27"
LG 34UM88-P 34"
28% have it

9. luminance

Luminance is the intensity of light that a device emits.
250cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
350cd/m²
300cd/m²

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"
Asus MG278Q 27"
LG 34UM88-P 34"
33% have it

11. 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
100000000:1
1000:1

12. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer R1 R221Q 21.5"
Asus MG278Q 27"
LG 34UM88-P 34"
80% have it

13. power consumption on standby

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

14. 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"
Asus MG278Q 27"
LG 34UM88-P 34"
70% have it

15. shipping weight

The gross weight of the product when packaged, including all wrapping, and boxing.
3.7kg
Asus VP247N 23.6": 0.8kg
11.5kg
11.3kg

16. 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"
Asus MG278Q 27"
LG 34UM88-P 34"
56% have it

17. 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
2

18. thickness

224mm
LG 22EA53VQ: 5.5mm
233mm
252.4mm

19. height

302.3mm
Asus VP228N 21.5": 3.9mm
368mm
379.8mm

20. weight

2.3kg
Asus VX278Q 27": 4.5g
7.65kg
8.4kg

21. width

498.1mm
Toshiba PA3923U-2LC3: 340.5mm
625mm
829.9mm

22. 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"
Asus MG278Q 27"
LG 34UM88-P 34"
76% have it

23. 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"
Asus MG278Q 27"
LG 34UM88-P 34"
41% have it

24. 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.
Acer R1 R221Q 21.5"
Asus MG278Q 27"
LG 34UM88-P 34"
35% have it

25. 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"
Asus MG278Q 27"
LG 34UM88-P 34"
30% have it

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