Acer R1 R221Q 21.5"Philips 249C4QHSB/00
Top 30%597 points
Top 30%
Top 30%591 points
Top 30%
Acer R1 R221Q 21.5"
Philips 249C4QHSB/00
vs
Top specs and features

Acer R1 R221Q 21.5" vs Philips 249C4QHSB/00: 43 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
6ms

2. 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"
Philips 249C4QHSB/00
85% have it

3. power consumption operation

How much power the device consumes when it's switched on.
22W
Sharp LB-1085: 1.1W
24.2W

4. screen size

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

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"
Philips 249C4QHSB/00
60% have it

6. 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.
1000:1
Acer XB0 XB240H 24": 100000000:1
5000:1

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"
Philips 249C4QHSB/00
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"
Philips 249C4QHSB/00
33% have it

9. weight

30g lighter.
2.3kg
Asus VX278Q 27": 4.5g
2.33kg

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"
Philips 249C4QHSB/00
56% have it

11. resolution

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

12. power consumption on standby

How much power the device consumes when shut down but still plugged in.
0.5W
Asus MB168B Plus: 0W
0.3W

13. height

47.7mm shorter.
302.3mm
Asus VP228N 21.5": 3.9mm
350mm

14. luminance

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

15. 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"
Philips 249C4QHSB/00
29% have it

16. shipping weight

The shipping weight gives you the information about the all package weight.
3.7kg
Asus VP247N 23.6": 0.8kg
5.02kg

17. pixel density

10.87% higher pixel density.
102ppi
Dell UltraSharp UP3218K: 280ppi
92ppi

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"
Philips 249C4QHSB/00
76% have it

19. 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 R1 R221Q 21.5"
Philips 249C4QHSB/00
34% have it

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"
Philips 249C4QHSB/00
79% have it

21. width

70.9mm narrower.
498.1mm
Toshiba PA3923U-2LC3: 340.5mm
569mm

22. display colors

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

23. 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"
Philips 249C4QHSB/00
4% have it

24. thickness

190mm thinner.
224mm
LG 22EA53VQ: 5.5mm
34mm

25. 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"
Philips 249C4QHSB/00
69% have it

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