Acer R1 R221Q 21.5"Apple LED Cinema Display 27"
Top 36%618 points
Top 36%
Top 30%676 points
Top 30%
Acer R1 R221Q 21.5"
Apple LED Cinema Display 27"
vs
Top specs and features

Acer R1 R221Q 21.5" vs Apple LED Cinema Display 27": 40 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
12ms

2. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
93.07W

3. screen size

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

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"
Apple LED Cinema Display 27"
85% 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"
Apple LED Cinema Display 27"
60% have it

6. resolution

1.78x higher resolution.
1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
2560 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"
Apple LED Cinema Display 27"
83% 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"
Apple LED Cinema Display 27"
33% have it

9. luminance

Luminance is the intensity of light that a device emits.
250cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
375cd/m²

10. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer R1 R221Q 21.5"
Apple LED Cinema Display 27"
79% have it

11. height

188.7mm shorter.
302.3mm
Asus VP228N 21.5": 3.9mm
491mm

12. 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"
Apple LED Cinema Display 27"
56% have it

13. weight

8.5kg lighter.
2.3kg
Asus VX278Q 27": 4.5g
10.8kg

14. thickness

17mm thinner.
224mm
LG 22EA53VQ: 5.5mm
207mm

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"
Apple LED Cinema Display 27"
34% have it

17. 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"
Apple LED Cinema Display 27"
69% have it

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"
Apple LED Cinema Display 27"
76% have it

19. display colors

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

20. width

151.9mm narrower.
498.1mm
Toshiba PA3923U-2LC3: 340.5mm
650mm

21. 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"
Apple LED Cinema Display 27"
30% have it

22. has a front camera

A front camera, also called secondary camera, can be used for video chats/selfies.
Acer R1 R221Q 21.5"
Apple LED Cinema Display 27"
2% have it

23. 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"
Apple LED Cinema Display 27"
2% have it

24. 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"
Apple LED Cinema Display 27"
4% have it

25. supports Ethernet

Ethernet is a local area network technology.
Acer R1 R221Q 21.5"
Apple LED Cinema Display 27"
3% have it

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