94points

Dell UltraSharp UP2715K

92points

Samsung CJ791

Comparison winner
Dell UltraSharp UP2715K
Samsung CJ791
vs
vs

69 facts in comparison

Dell UltraSharp UP2715K vs Samsung CJ791

Dell UltraSharp UP2715K
Samsung CJ791
Dell UltraSharp UP2715K
Samsung CJ791
94
points
92
points

Why is Dell UltraSharp UP2715K better than Samsung CJ791?

  • Has an IPS screen
  • Supports VESA mount
  • 119.5mm thinner
    47.9mmvs167.4mm
  • 170.4mm narrower
    637.3mmvs807.7mm
  • 480.3g lighter
    7.14kgvs7620.3g
  • 13.55t less shipping weight
    13.5kgvs13562.4kg
  • 10°C lower potential operating temperature
  • Has an external memory slot

Why is Samsung CJ791 better than Dell UltraSharp UP2715K?

  • 4ms less response time
    4msvs8ms
  • 25.93% bigger screen size
    34"vs27"
  • 45W lower power consumption on operation
    55W vs100W
  • Supports total tilt
  • 3x higher static contrast ratio
    3000:1vs1000:1
  • Has a swivel stand
  • Has a DVI connector
  • 21.4mm shorter
    363.2mmvs384.6mm

Top specs and features

General info

1.supports total tilt
Dell UltraSharp UP2715K
Samsung CJ791

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.Has a swivel stand
Dell UltraSharp UP2715K
Samsung CJ791

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

3.height

384.6mm

363.2mm

Best

Asus VP228N 21.5"

3.9mm

4.Supports VESA mount
Dell UltraSharp UP2715K
Samsung CJ791

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.

5.thickness

47.9mm

167.4mm

Best

LG 22EA53VQ

5.5mm

6.width

637.3mm

807.7mm

Best

Toshiba PA3923U-2LC3

340.5mm

Display

1.pixel density

218ppi

109.6ppi

Best

Dell UltraSharp UP3218K

280ppi

2.response time

8ms

4ms

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

3.screen size

27"

34"

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

Best

Sharp LB-1085

108"

4.has an IPS screen
Dell UltraSharp UP2715K
Samsung CJ791

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. PLS (Plane to Line Switching) is a type of IPS screen developed by Samsung, which has increased brightness and lower production costs.

5.resolution

5120 x 2880px

3440 x 1440px

Best

Dell UltraSharp UP3218K

7680 x 4320px

6.LCD display with 3 subpixels per pixels
Dell UltraSharp UP2715K
Samsung CJ791

The device has an LCD display with 3 subpixels per pixel, resulting in sharp and crisp images. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

Colors

1.luminance

350cd/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

3000:1

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
Dell UltraSharp UP2715K
Samsung CJ791

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
Dell UltraSharp UP2715K
Samsung CJ791

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.

Connectivity

1.has a HDMI output
Dell UltraSharp UP2715K
Samsung CJ791

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

2.has a DVI connector
Dell UltraSharp UP2715K
Samsung CJ791

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

3.has a VGA connector
Dell UltraSharp UP2715K
Samsung CJ791

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

For example

Philips Brilliance 492P8 49″

4.has a socket for a 3.5 mm audio jack
Dell UltraSharp UP2715K
Samsung CJ791

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

5.supports Ethernet
Dell UltraSharp UP2715K
Samsung CJ791

Ethernet is a local area network technology.

For example

Philips Brilliance 492P8 49″

6.supports thunderbolt
Dell UltraSharp UP2715K
Samsung CJ791

Thunderbolt is a connection over cable that carries both data and display signals over a single cable, while simultaneously providing power.

Power

1.power consumption operation

100W

55W

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

Best

Sharp LB-1085

1.1W

2.power consumption on standby

1.2W

0.3W

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

Best

Asus MB168B Plus

0W

3.has a sleep timer
Dell UltraSharp UP2715K
Samsung CJ791

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

Features

1.has stereo speakers
Dell UltraSharp UP2715K
Samsung CJ791

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
Dell UltraSharp UP2715K
Samsung CJ791

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.audio output power

2 x 16W

2 x 7W

Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.

Best

Apple Thunderbolt Display

2 x 24.5W

4.has DTS Surround
Dell UltraSharp UP2715K
Samsung CJ791

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"

5.has a front camera
Dell UltraSharp UP2715K
Samsung CJ791

A front camera, also called secondary camera, can be used for video chats/selfies.

For example

LG 27MD5K 27"

6.has a search browser
Dell UltraSharp UP2715K
Samsung CJ791

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

For example

Philips Brilliance 492P8 49″

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