56points

Acer KA KA240H 24"

90points

Acer XR XR342CK 34"

93points

Dell S2817Q 28"

Acer KA KA240H 24"
Acer XR XR342CK 34"
Comparison winner
Dell S2817Q 28"
vs
vs

31 facts in comparison

Acer KA KA240H 24" vs Acer XR XR342CK 34" vs Dell S2817Q 28"

Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

Why is Acer KA KA240H 24" better than Acer XR XR342CK 34" & Dell S2817Q 28"?

  • Power consumption operation
    20.9W vs51,90W
  • Has a DVI connector
  • Weight
    3.72kgvs9697.8,5034.9g
  • Width
    566.4mmvs816.1,657.9mm
  • Has a VGA connector

Why is Acer XR XR342CK 34" better than Acer KA KA240H 24" & Dell S2817Q 28"?

  • Height
    368.3mmvs434.3,383.5mm
  • Has stereo speakers
  • Has a swivel stand
  • Has a curved display

Why is Dell S2817Q 28" better than Acer KA KA240H 24" & Acer XR XR342CK 34"?

  • Response time
    2msvs5,5ms
  • Resolution
    3840 x 2160pxvs1920 x 1080,3440 x 1440px
  • Pixel density
    157ppivs91,109ppi
  • Power consumption on standby
    0.3W vs0.5,0.5W
  • Thickness
    185.4mmvs193,309.1mm
  • Supports PiP and PaP

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Top specs and features

relevant

General info

1.supports total tilt
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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

434.3mm

368.3mm

383.5mm

Best

Asus VP228N 21.5"

3.9mm

3.thickness

193mm

309.1mm

185.4mm

Best

LG 22EA53VQ

5.5mm

4.Has a swivel stand
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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 KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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.

6.weight

3.72kg

9.7kg

5.03kg

Best

Asus VX278Q 27"

4.5g

relevant

Display

1.response time

5ms

5ms

2ms

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

91ppi

109ppi

157ppi

Best

Dell UltraSharp UP3218K

280ppi

3.screen size

24"

34"

27.9"

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

Best

Sharp LB-1085

108"

4.every pixel has three subpixels
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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 KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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

3440 x 1440px

3840 x 2160px

Best

Dell UltraSharp UP3218K

7680 x 4320px

relevant

Colors

1.luminance

250cd/m²

300cd/m²

300cd/m²

Luminance is the intensity of light that a device emits.

Best

Acer Predator X35 35" UW-UXGA

1000cd/m²

2.contrast ratio

1000:1

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

3.has an ambient light sensor
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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 KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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

2.has a DVI connector
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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

3.has a VGA connector
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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

4.has FireWire
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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

For example

Dell S2316H 23"

5.has an external memory slot
Acer KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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

Power

1.power consumption operation

20.9W

51W

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

0.5W

0.3W

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 KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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 KA KA240H 24"
Acer XR XR342CK 34"
Dell S2817Q 28"

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.

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