90points

Acer XR XR342CK 34"

84points

Asus PB278Q

76points

Dell ST2421L

Comparison winner
Acer XR XR342CK 34"
Asus PB278Q
Dell ST2421L
vs
vs

32 facts in comparison

Acer XR XR342CK 34" vs Asus PB278Q vs Dell ST2421L

Acer XR XR342CK 34"
Asus PB278Q
Dell ST2421L
Acer XR XR342CK 34"
Asus PB278Q
Dell ST2421L

Why is Acer XR XR342CK 34" better than Asus PB278Q & Dell ST2421L?

  • Has an IPS screen
  • Has a curved display

Why is Asus PB278Q better than Acer XR XR342CK 34" & Dell ST2421L?

    Why is Dell ST2421L better than Acer XR XR342CK 34" & Asus PB278Q?

    • Power consumption operation
      30W vs51,60W
    • Height
      356mmvs368.3,552.3mm
    • Has a DVI connector
    • Thickness
      61mmvs309.1,218mm
    • Weight
      4.26kgvs9697.8,8800g
    • Shipping weight
      5.7kgvs15.6,12kg
    • Width
      574mmvs816.1,643mm

    Top specs and features

    relevant

    General info

    1.supports total tilt
    Acer XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

    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

    552.3mm

    356mm

    Best

    Asus VP228N 21.5"

    3.9mm

    3.thickness

    309.1mm

    218mm

    61mm

    Best

    LG 22EA53VQ

    5.5mm

    4.Has a swivel stand
    Acer XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

    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 XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

    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.shipping weight

    15.6kg

    12kg

    5.7kg

    The gross weight of the product when packaged, including all wrapping, and boxing.

    Best

    Asus VP247N 23.6"

    0.8kg

    relevant

    Display

    1.response time

    5ms

    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.screen size

    34"

    27"

    24"

    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"
    Asus PB278Q
    Dell ST2421L

    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"
    Asus PB278Q
    Dell ST2421L

    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 1440px

    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"
    Asus PB278Q
    Dell ST2421L

    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"
    Asus PB278Q
    Dell ST2421L

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

    2.HDMI ports

    1

    2

    1

    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 XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

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

    4.has a DVI connector
    Acer XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

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

    5.has a VGA connector
    Acer XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

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

    6.has FireWire
    Acer XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

    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

    60W

    30W

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

    Best

    Sharp LB-1085

    1.1W

    relevant

    Features

    1.has stereo speakers
    Acer XR XR342CK 34"
    Asus PB278Q
    Dell ST2421L

    Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

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