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Product comparison · 2 monitors

Lenovo ThinkVision E21 computer monitor vs Samsung LC34H890WJEXXY computer monitor

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  • 31specifications compared
  • 23differ
  • 8identical
  • 58known for one product only

Key differences

  • Display diagonal
    • 52.6 cm (20.7")
    • 86.4 cm (34")
  • Display resolution
    • 1920 x 1080 pixels
    • 3440 x 1440 pixels
  • Native aspect ratio
    • 16:9
    • 21:9
  • HD type
    • Full HD
    • UltraWide Quad HD
  • Panel type
    • TN
    • VA
  • Display brightness (typical)
    • 250 cd/m²
    • 300 cd/m²
  • Response time
    • 5 ms
    • 4 ms
  • Screen shape
    • Flat
    • Curved

Side by side

Differences highlightedShow differences only
89 specifications
A

Lenovo

ThinkVision E21 computer monitor

Model E21

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B

Samsung

LC34H890WJEXXY computer monitor

Model LC34H890WJEXXY

View product
Display11 differ
Display diagonalDiffers52.6 cm (20.7")86.4 cm (34")
Display resolutionDiffers1920 x 1080 pixels3440 x 1440 pixels
Native aspect ratioDiffers16:921:9
Display technologyKnown for oneLED
TouchscreenNoNo
HD typeDiffersFull HDUltraWide Quad HD
Panel typeDiffersTNVA
Backlight typeKnown for oneW-LED
Display brightness (typical)Differs250 cd/m²300 cd/m²
Response timeDiffers5 ms4 ms
Screen shapeDiffersFlatCurved
Supported graphics resolutionsDiffers640 x 350, 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1366 x 768, 1440 x 900 (WXGA+), 1600 x 1200 (UXGA), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)3440 x 1440
Aspect ratioKnown for one16:9
Contrast ratio (typical)Differs1000:13000:1
Viewing angle, horizontalDiffers170°178°
Viewing angle, vertical178°178°
Pixel pitchKnown for one0.2385 x 0.2385 mm
Pixel densityKnown for one106 ppi
Viewable size, horizontalKnown for one45.8 cm
Viewable size, verticalKnown for one25.8 cm
Viewable size diagonalKnown for one52.6 cm
Colour gamutKnown for one72%
3DKnown for oneNo
Screen curvature ratingKnown for one1800R
Dynamic contrast ratio marketing nameKnown for oneMega Contrast
Display number of coloursKnown for one16.78 million colours
Screen curvatureKnown for one180 cm
Performance1 differ
NVIDIA G-SYNCKnown for oneNo
AMD FreeSyncDiffersNoYes
VESA Adaptive Sync supportKnown for oneYes
Multimediaidentical
Built-in speaker(s)NoNo
Built-in cameraKnown for oneNo
Designidentical
Market positioningKnown for oneBusiness
Product colourBlackBlack
Feet colourKnown for oneBlack
Colour nameKnown for oneDARK SILVER
Ports & interfaces2 differ
Built-in USB hubDiffersNoYes
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneNo
HDMI ports quantityDiffers01
DisplayPorts quantity11
HDCPKnown for oneYes
USB Type-C downstream ports quantityKnown for one1
HDMI versionKnown for one2.0
DisplayPort versionKnown for one1.2
Headphone outKnown for oneYes
Ergonomics2 differ
VESA mountingYesYes
Cable lock slotKnown for oneNo
Height adjustmentDiffersNoYes
Tilt adjustmentYesYes
Tilt angle rangeDiffers-5 - 22°-5 - 24°
On Screen Display (OSD)Known for oneYes
Number of OSD languagesKnown for one8
Panel mounting interfaceKnown for one100 x 100 mm
Adjustable height (max)Known for one13.5 cm
SwivellingKnown for oneYes
Swivel angle rangeKnown for one-30 - 30°
Power1 differ
Power consumption (typical)Differs18 W56.192 W
AC input voltage100 - 240 V100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Power consumption (max)Known for one175 W
Power consumption (off)Known for one0.3 W
Weight & dimensions5 differ
Width (with stand)Differs490.5 mm811.4 mm
Depth (with stand)Differs204.9 mm298.6 mm
Height (with stand)Differs370.9 mm538.9 mm
Weight (with stand)Differs2.64 kg7.9 kg
Width (without stand)Differs490.5 mm811.4 mm
Depth (without stand)Known for one123.3 mm
Height (without stand)Known for one361.9 mm
Weight (without stand)Known for one6.3 kg
Packaging content1 differ
Cables includedDiffersVGAAC, HDMI
ManualKnown for oneYes
Stand includedKnown for oneYes
Quick start guideKnown for oneYes
Power cable lengthKnown for one1.5 m
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Other featuresidentical
AC adapter includedKnown for oneYes
On/off switchKnown for oneNo
TV tuner integratedKnown for oneNo
CertificationKnown for oneTCO Displays 7.0, TCO, WEEE, RoHS, EPEAT Gold
Supplied AC adapter typeKnown for oneLCD
Power consumption (DPMS)Known for one0.5 W
Thin Clientidentical
Thin client installedKnown for oneNo
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 40 °C
Operating relative humidity (H-H)Known for one10 - 80%
Packaging dataidentical
Package widthKnown for one270 mm
Package depthKnown for one459 mm
Package heightKnown for one946 mm
Package weightKnown for one11.3 kg

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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