Acer p191wHP E221
Top 64%351 points
Top 64%
Top 34%640 points
Top 34%
Acer p191w
HP E221
Top specs and features

Acer p191w vs HP E221: 16 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.
Acer Predator XB2 (XB252Q) 24.5": 1ms

2. power consumption operation

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

3. screen size

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

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
HP E221
85% have it

5. 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
HP E221
83% have it

6. resolution

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

7. has anti-glare

Anti-glare helps to reduce the external reflections of light coming from outside the display.
Acer p191w
HP E221
28% have it

8. luminance

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

9. weight

260g lighter.
Asus VX278Q 27": 4.5g

10. thickness

129mm thinner.
LG 22EA53VQ: 5.5mm

11. height

74mm shorter.
Asus VP228N 21.5": 3.9mm

12. has an LED-backlit display

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
Acer p191w
HP E221
79% have it

13. has a DVI connector

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.
Acer p191w
HP E221
56% have it

14. has a VGA connector

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
Acer p191w
HP E221
76% 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
HP E221
34% have it

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