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Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
Top 37%634 points
Top 37%
Top 71%291 points
Top 71%
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
Top specs and features

Acer R1 R221Q 21.5" vs Sony LMD2451TDPAC2: 35 facts in comparison

1. 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"
Sony LMD2451TDPAC2
61% have it

2. screen size

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

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"
Sony LMD2451TDPAC2
86% have it

4. resolution

8% higher resolution.
1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
1000 x 1920px

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"
Sony LMD2451TDPAC2
84% have it

6. 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"
Sony LMD2451TDPAC2
33% have it

7. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
80% have it

8. 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"
Sony LMD2451TDPAC2
56% have it

9. 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"
Sony LMD2451TDPAC2
70% have it

10. thickness

46mm thinner.
224mm
LG 22EA53VQ: 5.5mm
270mm

11. height

188.5mm shorter.
302.3mm
Asus VP228N 21.5": 3.9mm
490.8mm

12. weight

8.7kg lighter.
2.3kg
Asus VX278Q 27": 4.5g
11kg

13. 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"
Sony LMD2451TDPAC2
30% have it

14. 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"
Sony LMD2451TDPAC2
76% have it

15. display colors

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

16. 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"
Sony LMD2451TDPAC2
35% have it

17. width

102.1mm narrower.
498.1mm
Toshiba PA3923U-2LC3: 340.5mm
600.2mm

18. 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"
Sony LMD2451TDPAC2
5% have it

19. has DTS Surround

DTS Surround is a high-quality audio codec that supports up to six audio channels, with good bitrates and audio quality.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
2% have it

20. has a child lock

A child lock enables adults to prevent or restrict children’s use of the device.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
2% have it

21. supports Dolby Virtual

Dolby Virtual Speaker produces a surround sound experience over the stereo speakers.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
1% have it

22. has a search browser

With a search browser application you can surf the internet from your device.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
1% have it

23. supports Dolby Digital MS10

If a device supports Dolby Digital MS10 it can decode Dolby Digital and Dolby Digital Plus.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
0% have it

24. supports Dolby Digital

If the device supports Dolby Digital it can deliver up to six different audio channels (sides) for a much better sound quality.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
1% have it

25. Is DLNA certified

All DLNA certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.
Acer R1 R221Q 21.5"
Sony LMD2451TDPAC2
1% have it

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