57points

Acer CB CB280HK 28"

70points

HP LD4220tm

Acer CB CB280HK 28"
Comparison winner
HP LD4220tm
vs
vs

42 facts in comparison

Acer CB CB280HK 28" vs HP LD4220tm

Acer CB CB280HK 28"
HP LD4220tm
Acer CB CB280HK 28"
HP LD4220tm

Why is Acer CB CB280HK 28" better than HP LD4220tm?

  • 8ms less response time
    1msvs9ms
  • Supports total tilt
  • Has an LED-backlit display
  • 183mm shorter
    381mmvs564mm
  • Has stereo speakers
  • 315.4mm narrower
    658.6mmvs974mm
  • Supports PiP and PaP
  • Supports color calibration

Why is HP LD4220tm better than Acer CB CB280HK 28"?

  • 1.5x bigger screen size
    42"vs28"
  • 20% higher static contrast ratio
    1200:1vs1000:1
  • 400cd/m² more luminance
    700cd/m²vs300cd/m²
  • 111.6mm thinner
    133mmvs244.6mm
  • Supports VESA mount
  • 1 more USB ports
    1vs0
  • Has a sleep timer
  • Supports Ethernet

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Top specs and features

relevant

General info

1.supports total tilt
Acer CB CB280HK 28"
HP LD4220tm

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

381mm

564mm

Best

Asus VP228N 21.5"

3.9mm

3.Has a swivel stand
Acer CB CB280HK 28"
HP LD4220tm

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"

4.thickness

244.6mm

133mm

Best

LG 22EA53VQ

5.5mm

5.Supports VESA mount
Acer CB CB280HK 28"
HP LD4220tm

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

658.6mm

974mm

Best

Toshiba PA3923U-2LC3

340.5mm

relevant

Display

1.response time

1ms

9ms

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

157ppi

52ppi

Best

Dell UltraSharp UP3218K

280ppi

3.screen size

28"

42"

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

Best

Sharp LB-1085

108"

4.every pixel has three subpixels
Acer CB CB280HK 28"
HP LD4220tm

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 CB CB280HK 28"
HP LD4220tm

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.

For example

LG UltraGear 34GK950F 34"

6.resolution

3840 x 2160px

1920 x 1080px

Best

Dell UltraSharp UP3218K

7680 x 4320px

relevant

Colors

1.luminance

300cd/m²

700cd/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

1200:1

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 CB CB280HK 28"
HP LD4220tm

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"

4.supports color calibration
Acer CB CB280HK 28"
HP LD4220tm

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.

relevant

Connectivity

1.has a HDMI output
Acer CB CB280HK 28"
HP LD4220tm

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

2.has a DVI connector
Acer CB CB280HK 28"
HP LD4220tm

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

3.has a VGA connector
Acer CB CB280HK 28"
HP LD4220tm

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

4.USB ports

0

1

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

Best

Asus PA279Q

7

5.supports Ethernet
Acer CB CB280HK 28"
HP LD4220tm

Ethernet is a local area network technology.

6.audio input ports

0

1

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

Best

Asus 27T1E

3

relevant

Power

1.has a sleep timer
Acer CB CB280HK 28"
HP LD4220tm

A sleep timer is a function that shuts off the power after a preset amount of time.

relevant

Features

1.has stereo speakers
Acer CB CB280HK 28"
HP LD4220tm

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 CB CB280HK 28"
HP LD4220tm

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.

3.has DTS Surround
Acer CB CB280HK 28"
HP LD4220tm

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.supports Dolby Digital Plus
Acer CB CB280HK 28"
HP LD4220tm

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"

5.has a search browser
Acer CB CB280HK 28"
HP LD4220tm

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

For example

Philips Brilliance 492P8 49″

6.supports Dolby Digital MS10
Acer CB CB280HK 28"
HP LD4220tm

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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