69points

Acer R1 R221Q 21.5"

56points

Apple Cinema HD Display

Comparison winner
Acer R1 R221Q 21.5"
Apple Cinema HD Display
vs
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39 facts in comparison

Acer R1 R221Q 21.5" vs Apple Cinema HD Display

Acer R1 R221Q 21.5"
Apple Cinema HD Display
Acer R1 R221Q 21.5"
Apple Cinema HD Display

Why is Acer R1 R221Q 21.5" better than Apple Cinema HD Display?

  • 12ms less response time
    4msvs16ms
  • Has a HDMI output
  • 68W lower power consumption on operation
    22W vs90W
  • Has an IPS screen
  • Has an LED-backlit display
  • 240.7mm shorter
    302.3mmvs543mm
  • 2.5W lower power consumption on standby
    0.5W vs3W
  • Has stereo speakers

Why is Apple Cinema HD Display better than Acer R1 R221Q 21.5"?

  • 38.14% bigger screen size
    29.7"vs21.5"
  • 1.98x higher resolution
    2560 x 1600pxvs1920 x 1080px
  • 150cd/m² more luminance
    400cd/m²vs250cd/m²
  • 9mm thinner
    215mmvs224mm
  • Supports VESA mount
  • Has a glossy panel
  • Has FireWire

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Top specs and features

relevant

General info

1.supports total tilt
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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

543mm

Best

Asus VP228N 21.5"

3.9mm

3.weight

2.3kg

12.47kg

Best

Asus VX278Q 27"

4.5g

4.thickness

224mm

215mm

Best

LG 22EA53VQ

5.5mm

5.Has a swivel stand
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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"

6.Supports VESA mount
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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.

relevant

Display

1.response time

4ms

16ms

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"

29.7"

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"
Apple Cinema HD Display

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

2560 x 1600px

Best

Dell UltraSharp UP3218K

7680 x 4320px

5.has an IPS screen
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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

relevant

Colors

1.contrast ratio

1000:1

400:1

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

250cd/m²

400cd/m²

Luminance is the intensity of light that a device emits.

Best

Acer Predator X35 35" UW-UXGA

1000cd/m²

3.display colors

16.7m

16.7m

Number of colors that a display can accurately reproduce.

Best

Dell UltraSharp UP2716D 27"

1074m

4.has an ambient light sensor
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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"
Apple Cinema HD Display

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

2.has a DVI connector
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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

3.has a VGA connector
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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

4.Is DLNA certified
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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

5.has an external memory slot
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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"

6.has FireWire
Acer R1 R221Q 21.5"
Apple Cinema HD Display

A FireWire port allows fast transfers of big files such as HD movies. However, newer USB versions achieve a similar speed.

relevant

Power

1.power consumption operation

22W

90W

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

Best

Sharp LB-1085

1.1W

2.power consumption on standby

0.5W

3W

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"
Apple Cinema HD Display

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
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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

For example

Asus 27T1EH

4.supports Dolby Digital MS10
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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"
Apple Cinema HD Display

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.has a child lock
Acer R1 R221Q 21.5"
Apple Cinema HD Display

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

For example

Asus VP228N 21.5"

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