69points

Acer R1 R221Q 21.5"

98points

Dell UltraSharp U2413 24"

76points

LG 3D Cinema

Acer R1 R221Q 21.5"
Comparison winner
Dell UltraSharp U2413 24"
LG 3D Cinema
vs
vs

42 facts in comparison

Acer R1 R221Q 21.5" vs Dell UltraSharp U2413 24" vs LG 3D Cinema

Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

Why is Acer R1 R221Q 21.5" better than Dell UltraSharp U2413 24" & LG 3D Cinema?

  • Response time
    4msvs6,5ms
  • Power consumption operation
    22W vs130,38W
  • Height
    302.3mmvs361.7,406mm
  • Has stereo speakers
  • Power consumption on standby
    0.5W vs0.5,1W
  • Weight
    2.3kgvs4998.6,3390g
  • Shipping weight
    3.7kgvs9.3,4.99kg
  • Width
    498.1mmvs556,545mm

Why is Dell UltraSharp U2413 24" better than Acer R1 R221Q 21.5" & LG 3D Cinema?

  • Has a swivel stand
  • Supports PiP and PaP
  • Supports portrait mode
  • Has an external memory slot

Why is LG 3D Cinema better than Acer R1 R221Q 21.5" & Dell UltraSharp U2413 24"?

  • Thickness
    57mmvs224,200.4mm

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Top specs and features

relevant

General info

1.supports total tilt
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

302.3mm

361.7mm

406mm

Best

Asus VP228N 21.5"

3.9mm

3.Supports VESA mount
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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.

4.weight

2.3kg

5kg

3.39kg

Best

Asus VX278Q 27"

4.5g

5.thickness

224mm

200.4mm

57mm

Best

LG 22EA53VQ

5.5mm

6.shipping weight

3.7kg

9.3kg

4.99kg

The gross weight of the product when packaged, including all wrapping, and boxing.

Best

Asus VP247N 23.6"

0.8kg

relevant

Display

1.response time

4ms

6ms

5ms

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

21.5"

24"

23"

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

Best

Sharp LB-1085

108"

3.every pixel has three subpixels
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

1920 x 1080px

1920 x 1200px

1920 x 1080px

Best

Dell UltraSharp UP3218K

7680 x 4320px

5.has an IPS screen
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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 anti-glare
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

Anti-glare helps to reduce the external reflections of light coming from outside the display.

relevant

Colors

1.luminance

250cd/m²

350cd/m²

250cd/m²

Luminance is the intensity of light that a device emits.

Best

Acer Predator X35 35" UW-UXGA

1000cd/m²

2.display colors

16.7m

1074m

16.7m

Number of colors that a display can accurately reproduce.

Best

Dell UltraSharp UP2716D 27"

1074m

3.has an ambient light sensor
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

2.HDMI ports

1

2

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
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

4.has a socket for a 3.5 mm audio jack
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

With a standard mini jack socket, you can use the device with most headphones.

5.has a VGA connector
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

6.Is DLNA certified
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

relevant

Power

1.power consumption operation

22W

130W

38W

How much power the device consumes when it's switched on.

Best

Sharp LB-1085

1.1W

2.power consumption on standby

0.5W

0.5W

1W

How much power the device consumes when shut down but still plugged in.

Best

Asus MB168B Plus

0W

relevant

Features

1.has stereo speakers
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

2.supports PiP and PaP
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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.

3.has DTS Surround
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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"

4.supports Dolby Digital MS10
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

If a device supports Dolby Digital MS10 it can decode Dolby Digital and Dolby Digital Plus.

For example

LG UltraGear 34GK950F 34"

5.supports Dolby Digital
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

6.supports Dolby Virtual
Acer R1 R221Q 21.5"
Dell UltraSharp U2413 24"
LG 3D Cinema

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

For example

Asus 27T1EH

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