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Product comparison · 2 monitors

Dell ST2220T computer monitor vs Dell U2312HM computer monitor

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  • 22specifications compared
  • 11differ
  • 11identical
  • 48known for one product only

Key differences

  • Display diagonal
    • 54.6 cm (21.5")
    • 58.4 cm (23")
  • Touchscreen
    • Yes
    • No
  • Contrast ratio (dynamic)
    • 50000:1
    • 2000000:1
  • Pixel pitch
    • 0.248 x 0.248 mm
    • 0.265 x 0.265 mm
  • Product colour
    • Black
    • Silver
  • HDMI ports quantity
    • 1
    • 0
  • Power consumption (typical)
    • 28 W
    • 30 W
  • Power consumption (standby)
    • 1 W
    • 0.5 W

Side by side

Differences highlightedShow differences only
70 specifications
A

Dell

ST2220T computer monitor

Model ST2220T

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B

Dell

U2312HM computer monitor

Model U2312HM

View product
Display4 differ
Display diagonalDiffers54.6 cm (21.5")58.4 cm (23")
Native aspect ratioKnown for one16:9
TouchscreenDiffersYesNo
Display brightness (typical)Known for one300 cd/m²
Supported graphics resolutionsKnown for one1920 x 1080 (HD 1080)
Aspect ratioKnown for one16:9
Contrast ratio (dynamic)Differs50000:12000000:1
Pixel pitchDiffers0.248 x 0.248 mm0.265 x 0.265 mm
3DKnown for oneNo
Display technologyKnown for oneLCD
Touchscreen technologyKnown for oneOptical imaging
Display brightnessKnown for one250 cd/m²
Screen shapeKnown for oneFlat
Display diagonal (metric)Known for one54.6 cm
Multimediaidentical
Built-in speaker(s)Known for oneNo
Built-in cameraKnown for oneNo
Design1 differ
Market positioningKnown for oneBusiness
Product colourDiffersBlackSilver
Ports & interfaces1 differ
USB hub versionKnown for one2.0
USB Type-A downstream ports quantityKnown for one1
DVI-I ports quantityKnown for one0
HDMI ports quantityDiffers10
DisplayPorts quantityKnown for one1
AC (power) inKnown for oneYes
DVI portKnown for oneYes
HDMIKnown for oneYes
HDCPKnown for oneYes
Ergonomicsidentical
VESA mountingKnown for oneYes
Panel mounting interfaceKnown for one100 x 100 mm
Cable lock slotKnown for oneYes
PivotKnown for oneYes
Plug and PlayKnown for oneYes
LED indicatorsKnown for onePower
Power3 differ
Power consumption (typical)Differs28 W30 W
Power consumption (standby)Differs1 W0.5 W
Power consumption (max)Known for one70 W
Power consumption (off)Known for one0.5 W
AC input voltageDiffers110 - 240 V100 - 240 V
Input currentKnown for one1.5 A
Operational conditionsidentical
Relative humidityKnown for one10 - 80%
Operating relative humidity (H-H)Known for one10 - 80%
Weight & dimensionsidentical
Width (with stand)Known for one546 mm
Depth (with stand)Known for one185 mm
Height (with stand)Known for one365 mm
Weight (with stand)Known for one5.2 kg
Width (without stand)Known for one546 mm
Depth (without stand)Known for one60 mm
Height (without stand)Known for one323 mm
Weight (without stand)Known for one3 kg
Packaging content1 differ
Cables includedDiffersUSB, VGAAC, DVI, USB, VGA
Quick start guideKnown for oneYes
ManualKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Other features1 differ
TV tuner integratedKnown for oneNo
Supplied AC adapter typeDiffersACLCD
Dimensions (WxDxH)Known for one528 x 59 x 380 mm
Thin Clientidentical
Thin client installedKnown for oneNo
Performanceidentical
NVIDIA G-SYNCKnown for oneNo
AMD FreeSyncKnown for oneNo

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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