Dell S2817Q 28"Acer R1 R221Q 21.5"ViewSonic VG2437mc-LED
Top 5%920 points
Top 5%
Top 36%618 points
Top 36%
Top 34%643 points
Top 34%
Dell S2817Q 28"
Acer R1 R221Q 21.5"
vs
ViewSonic VG2437mc-LED
vs
Top specs and features

Dell S2817Q 28" vs Acer R1 R221Q 21.5" vs ViewSonic VG2437mc-LED: 39 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.
2ms
Acer Predator XB2 (XB252Q) 24.5": 1ms
4ms
5ms

2. power consumption operation

How much power the device consumes when it's switched on.
90W
Sharp LB-1085: 1.1W
22W
24W

3. screen size

The bigger the screen size is, the better the user experience.
27.9"
Sharp LB-1085: 108"
21.5"
24"

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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
60% have it

6. resolution

3840 x 2160px
Dell UltraSharp UP3218K: 7680 x 4320px
1920 x 1080px
1920 x 1080px

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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
83% have it

8. 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
1000:1
1000:1

9. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
28% have it

10. 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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
33% have it

11. luminance

Luminance is the intensity of light that a device emits.
300cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
250cd/m²
300cd/m²

12. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
79% have it

13. weight

5.03kg
Asus VX278Q 27": 4.5g
2.3kg
5.2kg

14. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
56% have it

16. thickness

185.4mm
LG 22EA53VQ: 5.5mm
224mm
239mm

17. shipping weight

The gross weight of the product when packaged, including all wrapping, and boxing.
9.5kg
Asus VP247N 23.6": 0.8kg
3.7kg
7.1kg

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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
69% have it

19. width

657.9mm
Toshiba PA3923U-2LC3: 340.5mm
498.1mm
556mm

20. 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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
34% have it

21. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
76% have it

22. 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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
30% have it

23. supports PiP and PaP

Devices supporting PiP and PaP - Picture in Picture can show two images from different sources at the same time by splitting the viewing window or creating a smaller window inside the bigger image.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
9% have it

24. has DTS Surround

DTS Surround is a high-quality audio codec that supports up to six audio channels, with good bitrates and audio quality.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
2% have it

25. 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.
Dell S2817Q 28"
Acer R1 R221Q 21.5"
ViewSonic VG2437mc-LED
4% have it

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