vs
Dell ST2421L
NEC AS221WM
Top 33%669 points
Top 33%
Top 38%623 points
Top 38%
Dell ST2421L
NEC AS221WM
Top specs and features

Dell ST2421L vs NEC AS221WM: 25 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
Acer Predator XB2 (XB252Q) 24.5": 1ms
5ms

2. power consumption operation

How much power the device consumes when it's switched on.
30W
Sharp LB-1085: 1.1W
24W

3. screen size

The bigger the screen size is, the better the user experience.
24"
Sharp LB-1085: 108"
22"

4. has a HDMI output

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.
Dell ST2421L
NEC AS221WM
60% have it

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 ST2421L
NEC AS221WM
85% have it

6. resolution

17.55% higher resolution.
1920 x 1080px
Dell UltraSharp UP3218K: 7680 x 4320px
1680 x 1050px

7. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Dell ST2421L
NEC AS221WM
28% have it

8. luminance

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

9. maximum horizontal viewing angle

Horizontal viewing angle is the maximum angle at which a display can be viewed with acceptable visual performance.
170º
LG 32UK950 32": 178º
176º

10. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Dell ST2421L
NEC AS221WM
79% have it

11. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Dell ST2421L
NEC AS221WM
56% have it

12. weight

737g lighter.
4.26kg
Asus VX278Q 27": 4.5g
5kg

13. height

13.1mm shorter.
356mm
Asus VP228N 21.5": 3.9mm
342.9mm

14. thickness

4.2mm thinner.
61mm
LG 22EA53VQ: 5.5mm
65.2mm

15. 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 ST2421L
NEC AS221WM
69% have it

16. display colors

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

17. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
Dell ST2421L
NEC AS221WM
76% have it

18. maximum vertical viewing angle

Vertical viewing angle is the maximum angle at which a display can be viewed with acceptable visual performance.
160º
LG 32UK950 32": 178º
170º

19. width

68.8mm narrower.
574mm
Toshiba PA3923U-2LC3: 340.5mm
505.2mm

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 ST2421L
NEC AS221WM
30% have it

21. has a socket for a 3.5 mm audio jack

With a standard mini jack socket, you can use the device with most headphones.
Dell ST2421L
NEC AS221WM
41% have it

22. has a touch screen

You can operate the device easily, by pressing the screen with your fingers.
Dell ST2421L
NEC AS221WM
5% have it

23. component ports

The more component ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.
3
Sony LMD1751W: 4
1

24. supports digital input

Digital inputs carry a binary digital signal, instead of an analog signal. Digital input improves the quality of the projection.
Dell ST2421L
NEC AS221WM
17% have it

25. has an ambient light sensor

An ambient light sensor adjusts the luminance of the device according to the amount of natural light that surrounds it.
Dell ST2421L
NEC AS221WM
7% have it

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