69points

Acer R1 R221Q 21.5"

91points

LG UltraGear 34GK950F 34"

Acer R1 R221Q 21.5"
Comparison winner
LG UltraGear 34GK950F 34"
vs
vs

67 facts in comparison

Acer R1 R221Q 21.5" vs LG UltraGear 34GK950F 34"

Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"
69
points
91
points

Why is Acer R1 R221Q 21.5" better than LG UltraGear 34GK950F 34"?

  • 118W lower power consumption on operation
    22W vs140W
  • Has stereo speakers
  • 59.6mm shorter
    302.3mmvs361.9mm
  • Has a DVI connector
  • 5.6kg lighter
    2.3kgvs7900g
  • 321.3mm narrower
    498.1mmvs819.4mm
  • Has a VGA connector
  • 10.78t less shipping weight
    3.7kgvs10780kg

Why is LG UltraGear 34GK950F 34" better than Acer R1 R221Q 21.5"?

  • 3ms less response time
    1msvs4ms
  • 1.58x bigger screen size
    34"vs21.5"
  • 2.39x higher resolution
    3440 x 1440pxvs1920 x 1080px
  • 7.55% higher pixel density
    109.7ppivs102ppi
  • 150cd/m² more luminance
    400cd/m²vs250cd/m²
  • Has anti-glare coating
  • 1 more HDMI ports
    2vs1
  • 1053.3m more display colors
    1070mvs16.7m

Top specs and features

General info

1.supports total tilt
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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

361.9mm

Best

Asus VP228N 21.5"

3.9mm

3.thickness

224mm

104mm

Best

LG 22EA53VQ

5.5mm

4.Has a swivel stand
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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

5.Supports VESA mount
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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"

6.width

498.1mm

819.4mm

Best

Toshiba PA3923U-2LC3

340.5mm

Display

1.pixel density

102ppi

109.7ppi

Best

Dell UltraSharp UP3218K

280ppi

2.response time

4ms

1ms

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

3.screen size

21.5"

34"

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

Best

Sharp LB-1085

108"

4.has an IPS screen
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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. PLS (Plane to Line Switching) is a type of IPS screen developed by Samsung, which has increased brightness and lower production costs.

5.every pixel has three subpixels
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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.

6.resolution

1920 x 1080px

3440 x 1440px

Best

Dell UltraSharp UP3218K

7680 x 4320px

Colors

1.luminance

250cd/m²

400cd/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

1070m

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 R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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"

5.supports color calibration
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

A properly calibrated screen represents colors as they are and i.e. you can conduct a photo shoot while verifying your photos in real time. An internal sensor and/or colorimeter is usually included for trouble-free calibration.

Connectivity

1.has a HDMI output
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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

2.HDMI ports

1

2

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 socket for a 3.5 mm audio jack
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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

4.has a DVI connector
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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

5.has a VGA connector
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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

6.supports Ethernet
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

Ethernet is a local area network technology.

For example

Philips Brilliance 492P8 49″

Power

1.power consumption operation

22W

140W

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 R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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"
LG UltraGear 34GK950F 34"

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.

For example

Samsung C43J89 43"

3.has DTS Surround
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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.has a front camera
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

A front camera, also called secondary camera, can be used for video chats/selfies.

For example

LG 27MD5K 27"

5.has a search browser
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

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

For example

Philips Brilliance 492P8 49″

6.Has a radio
Acer R1 R221Q 21.5"
LG UltraGear 34GK950F 34"

A built-in FM radio tuner allows you to listen to most of the live-broadcasted FM radio stations without using the internet.

For example

LG UltraGear 34GK950F 34"

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