Acer R1 R221Q 21.5"HP E271i
Top 32%664 points
Top 32%
Top 30%692 points
Top 30%
Acer R1 R221Q 21.5"
HP E271i
vs
Top specs and features

Acer R1 R221Q 21.5" vs HP E271i: 36 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
Samsung CHG70 32": 1ms
7ms

2. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
40W

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"
HP E271i
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"
HP E271i
60% have it

6. 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"
HP E271i
83% have it

7. weight

5.4kg lighter.
2.3kg
Asus VX278Q 27": 4.5g
7.7kg

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"
HP E271i
33% have it

9. resolution

0% higher resolution.
1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
1080 x 1920px

10. 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"
HP E271i
56% have it

11. 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

12. luminance

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

13. height

229.7mm shorter.
302.3mm
Asus VP228N 21.5": 3.9mm
532mm

14. 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"
HP E271i
29% have it

16. 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"
HP E271i
76% have it

17. thickness

172mm thinner.
224mm
LG 22EA53VQ: 5.5mm
52mm

18. 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"
HP E271i
69% have it

19. width

143.9mm narrower.
498.1mm
Toshiba PA3923U-2LC3: 340.5mm
642mm

20. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer R1 R221Q 21.5"
HP E271i
79% have it

21. 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"
HP E271i
4% have it

22. 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"
HP E271i
2% have it

23. 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 R1 R221Q 21.5"
HP E271i
2% have it

24. Has a curved display

A curved screen is designed to better fill a user's field of vision, giving the viewer a sense of being immersed in the image.
Acer R1 R221Q 21.5"
HP E271i
3% have it

25. supports portrait mode

The screen can be turned into portrait mode which is better to view isolated images like documents, photos, etc.
Acer R1 R221Q 21.5"
HP E271i
11% have it

Top 10 monitors

Add to comparison
    Compare
    This page is currently only available in English.