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Product comparison · 2 monitors

Viewsonic TD2421 computer monitor vs Viewsonic VX Series VX2478-SMHD computer monitor

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  • 37specifications compared
  • 25differ
  • 12identical
  • 55known for one product only

Key differences

  • Display diagonal
    • 61 cm (24")
    • 60.5 cm (23.8")
  • Display resolution
    • 1920 x 1080 pixels
    • 2560 x 1440 pixels
  • Display technology
    • LCD
    • LED
  • Touchscreen
    • Yes
    • No
  • Panel type
    • TFT
    • IPS
  • Backlight type
    • LED
    • W-LED
  • Response time
    • 5 ms
    • 4 ms
  • Contrast ratio (typical)
    • 3000:1
    • 1000:1

Side by side

Differences highlightedShow differences only
92 specifications
A

Viewsonic

TD2421 computer monitor

Model TD2421

View product
B

Viewsonic

VX Series VX2478-SMHD computer monitor

Model VX2478-SMHD

View product
Display11 differ
Display diagonalDiffers61 cm (24")60.5 cm (23.8")
Display resolutionDiffers1920 x 1080 pixels2560 x 1440 pixels
Display technologyDiffersLCDLED
TouchscreenDiffersYesNo
Panel typeDiffersTFTIPS
LED backlightKnown for oneYes
Backlight typeDiffersLEDW-LED
Touchscreen typeKnown for oneMulti-user
Touch technologyKnown for oneDual-touch
Display brightnessKnown for one250 cd/m²
Response timeDiffers5 ms4 ms
Contrast ratio (typical)Differs3000:11000:1
Contrast ratio (dynamic)Differs50000000:180000000:1
Viewable size, horizontalKnown for one52.1 cm
Viewable size, verticalKnown for one29.3 cm
Digital horizontal frequencyDiffers24 - 82 kHz15 - 120 kHz
Digital vertical frequencyDiffers50 - 75 Hz24 - 85 Hz
Sync-on-green (SOG)Known for oneYes
Colour gamutKnown for one72%
Separate H/V syncKnown for oneYes
Composite syncKnown for oneYes
Native aspect ratioKnown for one16:9
HD typeKnown for oneQuad HD
Display brightness (typical)Known for one300 cd/m²
Display surfaceKnown for oneMatt
Supported graphics resolutionsKnown for one2560 x 1440
3DKnown for oneNo
Performanceidentical
NVIDIA G-SYNCKnown for oneNo
AMD FreeSyncKnown for oneNo
Mac operating systems supportedKnown for oneYes
OmniTapps Multitouch compatibilityKnown for oneNo
Multimedia1 differ
RMS rated powerDiffers4 W2 W
Built-in microphoneKnown for oneNo
Design1 differ
Product colourDiffersBlackWhite
Feet colourKnown for oneBlack
Ports & interfacesidentical
Number of upstream portsKnown for one1
USB Type-A downstream ports quantityKnown for one2
VGA (D-Sub) ports quantityKnown for one1
DVI portKnown for oneYes
DVI-D ports quantityKnown for one1
HDMIKnown for oneYes
Audio inputKnown for one3.5mm
PC Audio inKnown for oneYes
DisplayPorts quantityKnown for one1
Mini DisplayPorts quantityKnown for one1
Audio outputKnown for oneYes
Ergonomics1 differ
Tilt angle rangeDiffers22 - -6°-6 - 15°
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Tilt adjustmentKnown for oneYes
On Screen Display (OSD)Known for oneYes
Power2 differ
Power consumption (typical)Differs16.5 W29 W
AC input voltageDiffers100-240 V100 - 240 V
Power supply typeKnown for oneAC
Power consumption (standby)Known for one0.5 W
Power consumption (max)Known for one35 W
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Weight & dimensions8 differ
Dimensions (W x D x H) with standKnown for one571.08 x 240 x 392.2 mm
Width (with stand)Differs571.1 mm541 mm
Depth (with stand)Differs240 mm187.9 mm
Height (with stand)Differs392.2 mm419.1 mm
Weight (with stand)Differs6.32 kg3.47 kg
Width (without stand)Differs571.1 mm541 mm
Depth (without stand)Differs57.7 mm40.6 mm
Height (without stand)Differs339.8 mm325.1 mm
Weight (without stand)Differs5.16 kg2.8 kg
Packaging dataidentical
Package widthKnown for one640 mm
Package depthKnown for one200 mm
Package heightKnown for one460 mm
Package weightKnown for one7.29 kg
Other features1 differ
Supplied AC adapter typeDiffersACLCD
On/off switchKnown for oneYes
TV tuner integratedKnown for oneNo
Packaging contentKnown for oneLCD Display Power Cable (1.5m) Mini DP to DisplayPort Cable (1.8m) Quick Start Guide ViewSonic Wizard CD-ROM
Power consumption (economy mode)Known for one25 W
CertificationKnown for onecULus, FCC-B, ICES003, DOE Energy Star 7.0, DOE EPEAT (Silver), NRCan, UL-MX-CoC, Mexico Energy
Packaging contentidentical
Cables includedKnown for oneAC, Mini DisplayPort
Quick start guideKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Silver, ENERGY STAR
Thin Clientidentical
Thin client installedKnown 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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