Acer p191wAcer R1 R221Q 21.5"
Top 62%377 points
Top 62%
Top 32%664 points
Top 32%
Acer p191w
Acer R1 R221Q 21.5"
vs
Top specs and features

Acer p191w vs Acer R1 R221Q 21.5": 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.
5ms
Samsung CHG70 32": 1ms
4ms

2. power consumption operation

How much power the device consumes when it's switched on.
39W
Sharp LB-1085: 1.1W
22W

3. screen size

The bigger the screen size is, the better the user experience.
19"
Sharp LB-1085: 108"
21.5"

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 p191w
Acer R1 R221Q 21.5"
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 p191w
Acer R1 R221Q 21.5"
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 p191w
Acer R1 R221Q 21.5"
83% have it

7. 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.
2000:1
Acer XB0 XB240H 24": 100000000:1
1000:1

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 p191w
Acer R1 R221Q 21.5"
33% have it

9. weight

3.6kg lighter.
5.9kg
Asus VX278Q 27": 4.5g
2.3kg

10. resolution

1.6x higher resolution.
1440 x 900px
Dell UltraSharp UP3218K: 7680 x 4320px
1920 x 1080px

11. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Acer p191w
Acer R1 R221Q 21.5"
56% have it

12. height

83.7mm shorter.
386mm
Asus VP228N 21.5": 3.9mm
302.3mm

13. luminance

Luminance is the intensity of light that a device emits.
325.4cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
250cd/m²

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 p191w
Acer R1 R221Q 21.5"
29% have it

16. 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 p191w
Acer R1 R221Q 21.5"
34% have it

17. thickness

44mm thinner.
180mm
LG 22EA53VQ: 5.5mm
224mm

18. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer p191w
Acer R1 R221Q 21.5"
79% have it

19. width

36.1mm narrower.
462mm
Toshiba PA3923U-2LC3: 340.5mm
498.1mm

20. 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 p191w
Acer R1 R221Q 21.5"
69% 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 p191w
Acer R1 R221Q 21.5"
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 p191w
Acer R1 R221Q 21.5"
2% have it

23. 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 p191w
Acer R1 R221Q 21.5"
1% 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 p191w
Acer R1 R221Q 21.5"
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 p191w
Acer R1 R221Q 21.5"
11% have it

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