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Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
Top 6%948 points
Top 6%
Top 52%486 points
Top 52%
Top 30%710 points
Top 30%
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
Top specs and features

Dell UltraSharp UP2715K vs Acer K2 K212HQL 20.7" vs Samsung S27A650D: 30 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.
8ms
Acer Predator XB2 (XB252Q) 24.5": 1ms
5ms
8ms

2. power consumption operation

How much power the device consumes when it's switched on.
100W
Sharp LB-1085: 1.1W
21.5W
42W

3. has a HDMI output

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
61% have it

4. screen size

The bigger the screen size is, the better the user experience.
27"
Sharp LB-1085: 108"
20.7"
27"

5. 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 UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
86% have it

6. pixel density

218ppi
Dell UltraSharp UP3218K: 280ppi
106ppi
81.59ppi

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 UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
84% 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
600:1
5000000:1

9. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
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 UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
33% have it

11. luminance

Luminance is the intensity of light that a device emits.
350cd/m²
Acer Predator X35 35" UW-UXGA: 1000cd/m²
200cd/m²
300cd/m²

12. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
80% have it

13. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
56% have it

14. thickness

47.9mm
LG 22EA53VQ: 5.5mm
207.5mm
40.5mm

15. height

384.6mm
Asus VP228N 21.5": 3.9mm
294.6mm
390.5mm

16. power consumption on standby

How much power the device consumes when shut down but still plugged in.
1.2W
Asus MB168B Plus: 0W
0.4W
0.4W

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.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
70% have it

18. weight

7.14kg
Asus VX278Q 27": 4.5g
2.7kg
6.3kg

19. width

637.3mm
Toshiba PA3923U-2LC3: 340.5mm
490.7mm
642.5mm

20. 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 UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
30% have it

21. 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 UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
35% have it

22. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
76% have it

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.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
5% have it

24. has a touch screen

You can operate the device easily, by pressing the screen with your fingers.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
6% have it

25. has a sleep timer

A sleep timer is a function that shuts off the power after a preset amount of time.
Dell UltraSharp UP2715K
Acer K2 K212HQL 20.7"
Samsung S27A650D
7% have it

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