Acer Predator XB321HKAcer R1 R221Q 21.5"Dell S2716DG
Top 77%23 points
Top 77%
Top 22%79 points
Top 22%
Top 12%89 points
Top 12%
Acer Predator XB321HK
Acer R1 R221Q 21.5"
vs
Dell S2716DG
vs
Top specs and features

Acer Predator XB321HK vs Acer R1 R221Q 21.5" vs Dell S2716DG: 34 facts in comparison

1. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
85% have it

2. screen size

The bigger the screen size is, the better the user experience.

3. has a HDMI output

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
60% have it

4. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
84% have it

5. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
27% 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
33% have it

7. weight

2.3kg
4.4kg

8. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
56% have it

9. height

302.3mm
362.5mm

10. resolution

1920 x 1080px
2560 x 1440px

11. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
76% have it

12. has stereo speakers

Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
29% have it

13. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
34% have it

14. width

498.1mm
612.5mm

15. thickness

224mm
55.6mm

16. has LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colours and richer blacks.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
79% have it

17. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
4% have it

18. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
41% have it

19. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
70% have it

20. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
2% have it

21. has an external memory slot

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
2% have it

22. supports Dolby Virtual

Dolby Virtual Speaker produces a surround sound experience over the stereo speakers.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
0% have it

23. supports Dolby Digital Plus

If a device supports Dolby Digital Plus it can deliver up to fourteen different audio channels (sides) with improved bitrates, for a much better sound quality.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
0% have it

24. supports Dolby Digital MS10

If a device supports Dolby Digital MS10 it can decode Dolby Digital and Dolby Digital Plus.
Acer Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
0% have it

25. 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 Predator XB321HK
Acer R1 R221Q 21.5"
Dell S2716DG
1% have it

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