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Product comparison · 2 monitors

LG 27UK650 computer monitor vs Samsung C34J791WTU computer monitor

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  • 46specifications compared
  • 30differ
  • 16identical
  • 46known for one product only

Key differences

  • Display diagonal
    • 68.6 cm (27")
    • 86.4 cm (34")
  • Display resolution
    • 3840 x 2160 pixels
    • 3440 x 1440 pixels
  • Native aspect ratio
    • 16:9
    • 21:9
  • Display technology
    • LED
    • QLED
  • HD type
    • 4K Ultra HD
    • UltraWide Quad HD
  • Panel type
    • IPS
    • VA
  • Display brightness (typical)
    • 450 cd/m²
    • 300 cd/m²
  • Response time
    • 5 ms
    • 4 ms

Side by side

Differences highlightedShow differences only
92 specifications
A

LG

27UK650 computer monitor

Model 27UK650

View product
B

Samsung

C34J791WTU computer monitor

Model C34J791WTU

View product
Display12 differ
Display diagonalDiffers68.6 cm (27")86.4 cm (34")
Display resolutionDiffers3840 x 2160 pixels3440 x 1440 pixels
Native aspect ratioDiffers16:921:9
Display technologyDiffersLEDQLED
HD typeDiffers4K Ultra HDUltraWide Quad HD
Panel typeDiffersIPSVA
Display brightness (typical)Differs450 cd/m²300 cd/m²
Response timeDiffers5 ms4 ms
Screen shapeDiffersFlatCurved
Supported graphics resolutionsDiffers3840 x 21603440 x 1440
Aspect ratioKnown for one21:9
Contrast ratio (typical)Differs1000:13000:1
Maximum refresh rateKnown for one100 Hz
Display number of coloursKnown for one16.78 million colours
Viewable size, horizontalKnown for one79.7 cm
Viewable size, verticalKnown for one33.4 cm
Colour gamut standardKnown for onesRGB
Colour gamutKnown for one92%
sRGB coverage (typical)Differs99%125%
Quantum dot color technologyKnown for oneYes
Display brightness (min)Known for one280 cd/m²
Display surfaceKnown for oneMatt
Pixel pitchKnown for one0.1554 x 0.1554 mm
Digital horizontal frequencyKnown for one30 - 135 kHz
Digital vertical frequencyKnown for one56 - 61 Hz
Factory-calibratedKnown for oneYes
Peak luminance ratioKnown for one72%
Multimediaidentical
Built-in speaker(s)Known for oneYes
Number of speakersKnown for one2
Design1 differ
Product colourDiffersBlack, SilverGrey
Ports & interfaces1 differ
Built-in USB hubKnown for oneYes
USB hub versionKnown for one3.2 Gen 1 (3.1 Gen 1)
VGA (D-Sub) ports quantityKnown for one0
DVI portKnown for oneNo
HDMI ports quantityDiffers21
Audio inputKnown for oneNo
Headphone outKnown for oneYes
DC-in jackKnown for oneYes
Headphone outputsKnown for one1
HDCPKnown for oneYes
Ergonomics2 differ
Adjustable height (max)Differs11 cm10 cm
Tilt angle rangeDiffers-5 - 15°-14 - 22°
Picture-in-PictureKnown for oneYes
Cable lock slotKnown for oneNo
PivotKnown for oneYes
On Screen Display (OSD)Known for oneYes
Number of OSD languagesKnown for one18
Black eQualizer functionKnown for oneYes
Power1 differ
Energy efficiency class (SDR)Known for oneG
Energy consumption (SDR) per 1000 hoursKnown for one65 kWh
Power consumption (typical)Differs30 W65 W
Power consumption (max)Known for one180 W
Energy efficiency scaleKnown for oneA to G
AC input frequencyKnown for one50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 40 °C
Operating relative humidity (H-H)Known for one10 - 80%
Weight & dimensions8 differ
Width (with stand)Differs613.1 mm808.7 mm
Depth (with stand)Differs230 mm309.4 mm
Height (with stand)Differs567.3 mm516 mm
Weight (with stand)Differs6.2 kg7.7 kg
Width (without stand)Differs613.1 mm808.7 mm
Depth (without stand)Differs44.6 mm167 mm
Height (without stand)Differs364.4 mm362.8 mm
Weight (without stand)Differs4.6 kg6.3 kg
Packaging data4 differ
Stand typeKnown for oneHAS stand
Package widthDiffers694 mm896 mm
Package depthDiffers213 mm371 mm
Package heightDiffers502 mm589 mm
Package weightDiffers9 kg13.9 kg
User Guide on CD-ROMKnown for oneYes
Packaging content1 differ
Cables includedDiffersAC, DisplayPort, HDMIHDMI
Quick start guideKnown for oneYes
Other featuresidentical
sRGB coverage (min)Known for one120%
Energy efficiency class (legacy scale)Known for oneA
No flickeringKnown for oneYes
Supplied AC adapter typeKnown for oneLED

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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