75points

Acer H7 H277H 27"

69points

Acer R1 R221Q 21.5"

Comparison winner
Acer H7 H277H 27"
Acer R1 R221Q 21.5"
vs
vs

46 facts in comparison

Acer H7 H277H 27" vs Acer R1 R221Q 21.5"

Acer H7 H277H 27"
Acer R1 R221Q 21.5"
Acer H7 H277H 27"
Acer R1 R221Q 21.5"
75
points
69
points

Why is Acer H7 H277H 27" better than Acer R1 R221Q 21.5"?

  • 7mm thinner
    217mmvs224mm

Why is Acer R1 R221Q 21.5" better than Acer H7 H277H 27"?

  • 8W lower power consumption on operation
    22W vs30W
  • 25.93% higher pixel density
    102ppivs81ppi
  • 68.5mm shorter
    302.3mmvs370.8mm
  • 2.2kg lighter
    2.3kgvs4500g
  • 121.9mm narrower
    498.1mmvs620mm
  • 3.3kg less shipping weight
    3.7kgvs7kg

Top specs and features

General info

1.supports total tilt
Acer H7 H277H 27"
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

370.8mm

302.3mm

Best

Asus VP228N 21.5"

3.9mm

3.thickness

217mm

224mm

Best

LG 22EA53VQ

5.5mm

4.Supports VESA mount
Acer H7 H277H 27"
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.Has a swivel stand
Acer H7 H277H 27"
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"

6.width

620mm

498.1mm

Best

Toshiba PA3923U-2LC3

340.5mm

Display

1.response time

4ms

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.pixel density

81ppi

102ppi

Best

Dell UltraSharp UP3218K

280ppi

3.screen size

27"

21.5"

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

Best

Sharp LB-1085

108"

4.every pixel has three subpixels
Acer H7 H277H 27"
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.

5.has an IPS screen
Acer H7 H277H 27"
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.resolution

1920 x 1080px

1920 x 1080px

Best

Dell UltraSharp UP3218K

7680 x 4320px

Colors

1.luminance

250cd/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

16.7m

Number of colors that a display can accurately reproduce.

Best

Dell UltraSharp UP2716D 27"

1074m

3.contrast ratio

1000:1

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

4.has an ambient light sensor
Acer H7 H277H 27"
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"

Connectivity

1.has a HDMI output
Acer H7 H277H 27"
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

1

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 H7 H277H 27"
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
Acer H7 H277H 27"
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.HDMI ports (side)

0

0

HDMI ports on the side are easier to access than those in the back and can be useful for plugging and unplugging devices quickly.

Best

Asus ProArt PA27AQ 27"

2

6.audio input ports

0

0

More audio input ports mean that more audio devices such as microphones and keyboards can be connected at once.

Best

Asus 27T1E

3

Power

1.power consumption operation

30W

22W

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

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

Best

Asus MB168B Plus

0W

Features

1.has stereo speakers
Acer H7 H277H 27"
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
Acer H7 H277H 27"
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 Digital Plus
Acer H7 H277H 27"
Acer R1 R221Q 21.5"

If a device supports Dolby Digital Plus it can deliver up to fourteen different audio channels (sides) with improved bitrates, for a much better sound quality.

For example

LG UltraGear 34GK950F 34"

4.has a search browser
Acer H7 H277H 27"
Acer R1 R221Q 21.5"

With a search browser application you can surf the internet from your device.

For example

Philips Brilliance 492P8 49″

5.supports Dolby Virtual
Acer H7 H277H 27"
Acer R1 R221Q 21.5"

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

For example

Asus 27T1EH

6.supports Dolby Digital MS10
Acer H7 H277H 27"
Acer R1 R221Q 21.5"

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

For example

LG UltraGear 34GK950F 34"

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