73points

Acer H6 H226HQL 21.5"

91points

Dell UltraSharp U2917W 29"

Acer H6 H226HQL 21.5"
Comparison winner
Dell UltraSharp U2917W 29"
vs
vs

33 facts in comparison

Acer H6 H226HQL 21.5" vs Dell UltraSharp U2917W 29"

Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"
73
points
91
points

Why is Acer H6 H226HQL 21.5" better than Dell UltraSharp U2917W 29"?

  • 48W lower power consumption on operation
    26W vs74W
  • 17.8mm shorter
    299.7mmvs317.5mm
  • Has a DVI connector
  • 28mm thinner
    172.7mmvs200.7mm
  • 200.7mm narrower
    497.8mmvs698.5mm
  • Has a VGA connector
  • 1.67kg lighter
    3.27kgvs4944.2g
  • Supports common interface

Why is Dell UltraSharp U2917W 29" better than Acer H6 H226HQL 21.5"?

  • 33.95% bigger screen size
    28.8"vs21.5"
  • Every pixel has three subpixels
  • 33.33% higher resolution
    2560 x 1080pxvs1920 x 1080px
  • 50cd/m² more luminance
    300cd/m²vs250cd/m²
  • Has anti-glare coating
  • 1 more HDMI ports
    2vs1
  • Has a socket for a 3.5 mm audio jack
  • 0.2W lower power consumption on standby
    0.3W vs0.5W

Top specs and features

General info

1.supports total tilt
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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

299.7mm

317.5mm

Best

Asus VP228N 21.5"

3.9mm

3.thickness

172.7mm

200.7mm

Best

LG 22EA53VQ

5.5mm

4.Has a swivel stand
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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 H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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.width

497.8mm

698.5mm

Best

Toshiba PA3923U-2LC3

340.5mm

Display

1.response time

5ms

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.pixel density

102ppi

96ppi

Best

Dell UltraSharp UP3218K

280ppi

3.screen size

21.5"

28.8"

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

Best

Sharp LB-1085

108"

4.every pixel has three subpixels
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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 H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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

2560 x 1080px

Best

Dell UltraSharp UP3218K

7680 x 4320px

Colors

1.luminance

250cd/m²

300cd/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.has an ambient light sensor
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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 H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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 H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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

4.has a DVI connector
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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

5.has a VGA connector
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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

Power

1.power consumption operation

26W

74W

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

Best

Sharp LB-1085

1.1W

2.power consumption on standby

0.5W

0.3W

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

Best

Asus MB168B Plus

0W

Features

1.supports PiP and PaP
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

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.

2.supports common interface
Acer H6 H226HQL 21.5"
Dell UltraSharp U2917W 29"

This is a technology which allows separation of the TV screen and the decoder. It is used for pay-to-view TV (like Apple TV).

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