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Product comparison · 2 monitors

Lenovo ThinkVision E21 computer monitor vs Samsung LC49HG90DMEXXY computer monitor

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  • 31specifications compared
  • 24differ
  • 7identical
  • 48known for one product only

Key differences

  • Display diagonal
    • 52.6 cm (20.7")
    • 124.2 cm (48.9")
  • Display resolution
    • 1920 x 1080 pixels
    • 3840 x 1080 pixels
  • Native aspect ratio
    • 16:9
    • 32:9
  • Display technology
    • LED
    • QLED
  • Panel type
    • TN
    • VA
  • Display brightness (typical)
    • 250 cd/m²
    • 350 cd/m²
  • Response time
    • 5 ms
    • 1 ms
  • Screen shape
    • Flat
    • Curved

Side by side

Differences highlightedShow differences only
79 specifications
A

Lenovo

ThinkVision E21 computer monitor

Model E21

View product
B

Samsung

LC49HG90DMEXXY computer monitor

Model LC49HG90DMEXXY

View product
Display11 differ
Display diagonalDiffers52.6 cm (20.7")124.2 cm (48.9")
Display resolutionDiffers1920 x 1080 pixels3840 x 1080 pixels
Native aspect ratioDiffers16:932:9
Display technologyDiffersLEDQLED
TouchscreenNoNo
HD typeKnown for oneFull HD
Panel typeDiffersTNVA
Backlight typeKnown for oneW-LED
Display brightness (typical)Differs250 cd/m²350 cd/m²
Response timeDiffers5 ms1 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)3840 x 1080
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
Dynamic contrast ratio marketing nameKnown for oneMega Contrast
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
Design1 differ
Market positioningDiffersBusinessGaming
Product colourBlackBlack
Feet colourKnown for oneBlack
Ports & interfaces3 differ
Built-in USB hubDiffersNoYes
VGA (D-Sub) ports quantityDiffers10
DVI portNoNo
HDMI ports quantityDiffers02
DisplayPorts quantityKnown for one1
HDCPKnown for oneYes
Number of upstream portsKnown for one1
Audio inputKnown for oneNo
Headphone outKnown for oneYes
Ergonomics1 differ
VESA mountingKnown for oneYes
Cable lock slotKnown for oneNo
Height adjustmentKnown for oneNo
Tilt adjustmentYesYes
Tilt angle rangeDiffers-5 - 22°-2 - 15°
On Screen Display (OSD)Known for oneYes
Number of OSD languagesKnown for one8
PivotKnown for oneNo
SwivellingKnown for oneYes
Swivel angle rangeKnown for one-15 - 15°
Poweridentical
Power consumption (typical)Known for one18 W
AC input voltage100 - 240 V100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Power consumption (max)Known for one113 W
Weight & dimensions5 differ
Width (with stand)Differs490.5 mm1203 mm
Depth (with stand)Differs204.9 mm381.6 mm
Height (with stand)Differs370.9 mm525.5 mm
Weight (with stand)Differs2.64 kg15 kg
Width (without stand)Differs490.5 mm1203 mm
Depth (without stand)Known for one194.4 mm
Height (without stand)Known for one369.4 mm
Weight (without stand)Known for one11.9 kg
Packaging content1 differ
Cables includedDiffersVGADisplayPort, HDMI
ManualKnown for oneYes
Power cable lengthKnown for one1.5 m
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Other features1 differ
AC adapter includedKnown for oneYes
On/off switchDiffersNoYes
TV tuner integratedKnown for oneNo
CertificationKnown for oneTCO Displays 7.0, TCO, WEEE, RoHS, EPEAT Gold
Supplied AC adapter typeKnown for oneLCD
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 one316 mm
Package depthKnown for one476 mm
Package heightKnown for one1320 mm
Package weightKnown for one20.7 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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