90points

Acer XR XR342CK 34"

91points

Dell UltraSharp U2917W 29"

76points

HP E221

Acer XR XR342CK 34"
Comparison winner
Dell UltraSharp U2917W 29"
HP E221
vs
vs

32 facts in comparison

Acer XR XR342CK 34" vs Dell UltraSharp U2917W 29" vs HP E221

Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

Why is Acer XR XR342CK 34" better than Dell UltraSharp U2917W 29" & HP E221?

  • Response time
    5msvs5,7.2ms
  • Has stereo speakers
  • Has a curved display

Why is Dell UltraSharp U2917W 29" better than Acer XR XR342CK 34" & HP E221?

  • Height
    317.5mmvs368.3,460mm
  • Power consumption on standby
    0.3W vs0.5,0.5W
  • Weight
    4.94kgvs9697.8,5640g
  • Has a socket for a 3.5 mm audio jack
  • Supports PiP and PaP
  • Supports portrait mode

Why is HP E221 better than Acer XR XR342CK 34" & Dell UltraSharp U2917W 29"?

  • Power consumption operation
    36W vs51,74W
  • Has a DVI connector
  • Thickness
    51mmvs309.1,200.7mm
  • Has a VGA connector
  • Width
    509mmvs816.1,698.5mm

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Top specs and features

relevant

General info

1.supports total tilt
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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

368.3mm

317.5mm

460mm

Best

Asus VP228N 21.5"

3.9mm

3.Has a swivel stand
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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

4.thickness

309.1mm

200.7mm

51mm

Best

LG 22EA53VQ

5.5mm

5.Supports VESA mount
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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

9.7kg

4.94kg

5.64kg

Best

Asus VX278Q 27"

4.5g

relevant

Display

1.response time

5ms

5ms

7.2ms

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.screen size

34"

28.8"

21.5"

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

Best

Sharp LB-1085

108"

3.every pixel has three subpixels
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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.has an IPS screen
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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.

5.resolution

3440 x 1440px

2560 x 1080px

1920 x 1080px

Best

Dell UltraSharp UP3218K

7680 x 4320px

6.maximum horizontal viewing angle

172º

178º

170º

Horizontal viewing angle is the maximum angle at which a display can be viewed with acceptable visual performance.

Best

LG UltraGear 34GK950F 34"

178º

relevant

Colors

1.luminance

300cd/m²

300cd/m²

250cd/m²

Luminance is the intensity of light that a device emits.

Best

Acer Predator X35 35" UW-UXGA

1000cd/m²

2.has an ambient light sensor
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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 XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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

2.has a socket for a 3.5 mm audio jack
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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

3.has a DVI connector
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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

4.has a VGA connector
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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

5.USB ports

4

4

3

With more USB ports, you are able to connect more devices.

Best

Asus PA279Q

7

6.has FireWire
Acer XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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"

relevant

Power

1.power consumption operation

51W

74W

36W

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

0.5W

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 XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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 XR XR342CK 34"
Dell UltraSharp U2917W 29"
HP E221

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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