34points

14-inch USB Mobile LCD Monitor

69points

Acer R1 R221Q 21.5"

14-inch USB Mobile LCD Monitor
Comparison winner
Acer R1 R221Q 21.5"
vs
vs

37 facts in comparison

14-inch USB Mobile LCD Monitor vs Acer R1 R221Q 21.5"

14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

Why is 14-inch USB Mobile LCD Monitor better than Acer R1 R221Q 21.5"?

  • 62.8mm shorter
    239.5mmvs302.3mm
  • 1kg lighter
    1.3kgvs2300g
  • 209mm thinner
    15mmvs224mm
  • 157.6mm narrower
    340.5mmvs498.1mm

Why is Acer R1 R221Q 21.5" better than 14-inch USB Mobile LCD Monitor?

  • 12ms less response time
    4msvs16ms
  • 1.54x bigger screen size
    21.5"vs14"
  • Has a HDMI output
  • 1.93x higher resolution
    1920 x 1080pxvs786 x 1366px
  • Supports total tilt
  • 2.5x higher static contrast ratio
    1000:1vs400:1
  • 30cd/m² more luminance
    250cd/m²vs220cd/m²
  • Has an IPS screen

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Top specs and features

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General info

1.supports total tilt
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

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.

2.height

239.5mm

302.3mm

Best

Asus VP228N 21.5"

3.9mm

3.Has a swivel stand
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

A swivel stand allows you to adjust the position of the display left or right, so you can position it to the desired angle.

For example

LG UltraGear 34GK950F 34"

4.Supports VESA mount
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

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.

For example

Samsung C43J89 43"

5.weight

1.3kg

2.3kg

Best

Asus VX278Q 27"

4.5g

6.thickness

15mm

224mm

Best

LG 22EA53VQ

5.5mm

relevant

Display

1.response time

16ms

4ms

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.

Best

LG UltraGear 34GK950F 34"

1ms

2.screen size

14"

21.5"

The bigger the screen size is, the better the user experience.

Best

Sharp LB-1085

108"

3.every pixel has three subpixels
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

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.

4.resolution

786 x 1366px

1920 x 1080px

Best

Dell UltraSharp UP3218K

7680 x 4320px

5.has an IPS screen
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

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.

6.has an LED-backlit display
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.

relevant

Colors

1.contrast ratio

400:1

1000:1

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.

Best

Acer XB0 XB240H 24"

100000000:1

2.luminance

220cd/m²

250cd/m²

Luminance is the intensity of light that a device emits.

Best

Acer Predator X35 35" UW-UXGA

1000cd/m²

3.display colors

0.26m

16.7m

Number of colors that a display can accurately reproduce.

Best

Dell UltraSharp UP2716D 27"

1074m

4.has an ambient light sensor
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

An ambient light sensor adjusts the luminance of the device according to the amount of natural light that surrounds it.

For example

Samsung CHG90 49"

relevant

Connectivity

1.has a HDMI output
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

Devices with a HDMI or mini HDMI port can transfer high definition video and audio to a display.

2.HDMI ports

0

1

More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.

Best

Acer HN274H

4

3.has a DVI connector
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

Devices that have a DVI connector (usually computers and notebooks) can be connected to the TV set.

4.has a VGA connector
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.

5.Is DLNA certified
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

All DLNA certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.

For example

Samsung T23B550EW

6.has an external memory slot
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.

For example

Dell UltraSharp U2413 24"

relevant

Features

1.has stereo speakers
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

2.has DTS Surround
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

DTS Surround is a high-quality audio codec that supports up to six audio channels, with good bitrates and audio quality.

For example

Acer S7 S277HK 27"

3.supports Dolby Virtual
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

Dolby Virtual Speaker produces a surround sound experience over the stereo speakers.

For example

Asus 27T1EH

4.has a child lock
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

A child lock enables adults to prevent or restrict children’s use of the device.

For example

Asus VP228N 21.5"

5.supports common interface
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

This is a technology which allows separation of the TV screen and the decoder. It is used for pay-to-view TV (like Apple TV).

For example

LG UltraGear 34GK950F 34"

6.supports Dolby Digital
14-inch USB Mobile LCD Monitor
Acer R1 R221Q 21.5"

If the device supports Dolby Digital it can deliver up to six different audio channels (sides) for a much better sound quality.

For example

Samsung T23B550EW

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