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Product comparison · 2 usb graphics adapters

i-tec USB-C Dual 4K/60Hz (single 8K/30Hz) DP Video Adapter vs StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz

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  • 21specifications compared
  • 17differ
  • 4identical
  • 23known for one product only

Key differences

The i-tec USB-C Dual 4K/60Hz (single 8K/30Hz) DP Video Adapter has 17.2 mm more width than the StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz (70 mm vs 52.8 mm). The StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz has 40 mm more depth than the i-tec USB-C Dual 4K/60Hz (single 8K/30Hz) DP Video Adapter (100 mm vs 60 mm). The i-tec USB-C Dual 4K/60Hz (single 8K/30Hz) DP Video Adapter has 4 mm more height than the StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz (15 mm vs 11 mm). Only the StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz has HDMI output. Only the i-tec USB-C Dual 4K/60Hz (single 8K/30Hz) DP Video Adapter has DisplayPort output.

  • USB version
    • 2.0
    • 3.2 Gen 1 (3.1 Gen 1)
  • USB connector type
    • USB Type-C
    • USB Type-A, USB Type-C
  • HDMI output
    • No
    • Yes
  • DisplayPort output
    • Yes
    • No
  • Maximum resolution
    • 7680 x 4320 pixels
    • 3840 x 2160 pixels
  • Other operating systems supported
    • Android, ChromeOS
    • ChromeOS
  • Width
    • 70 mm
    • 52.8 mm
  • Depth
    • 60 mm
    • 100 mm

Side by side

Differences highlightedShow differences only
44 specifications
A

i-tec

USB-C Dual 4K/60Hz (single 8K/30Hz) DP Video Adapter

Model C31DUAL4K60DP

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B

StarTech.com

USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz

Model 107B-USB-HDMI-2

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Performance5 differ
USB versionDiffers2.03.2 Gen 1 (3.1 Gen 1)
USB connector typeDiffersUSB Type-CUSB Type-A, USB Type-C
USB connector genderMaleMale
USB connector form factorKnown for oneStraight
HDMI outputDiffersNoYes
DisplayPort outputDiffersYesNo
Number of displays supported22
HDMI ports quantityKnown for one2
HDMI versionKnown for one1.4
Internal memoryKnown for one8192 MB
Internal memory typeKnown for oneDDR3
Maximum resolutionDiffers7680 x 4320 pixels3840 x 2160 pixels
Refresh rate at maximum resolution30 Hz30 Hz
Supported graphics resolutionsKnown for one3840 x 2160, 2560 x 1400, 1920 x 1080 (HD 1080), 1600 x 900, 1280 x 720 (HD 720)
Audio output channelsKnown for one2.0 channels
ChipsetKnown for oneSilicon Motion - SM768
DVI outputKnown for oneNo
DisplayPorts quantityKnown for one2
System requirements3 differ
Mac compatibilityKnown for oneYes
Windows operating systems supportedDiffersYesWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 Enterprise, Windows 11 Enterp
Mac operating systems supportedDiffersYesMac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 15.0 Sequoia, Mac OS 26 Tahoe
Linux operating systems supportedYesYes
Other operating systems supportedDiffersAndroid, ChromeOSChromeOS
Weight & dimensions5 differ
WidthDiffers70 mm52.8 mm
DepthDiffers60 mm100 mm
HeightDiffers15 mm11 mm
WeightDiffers53 g66 g
USB cable lengthDiffers0.3 m0.183 m
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-10 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Packaging data4 differ
Package widthDiffers180 mm157 mm
Package depthDiffers130 mm126 mm
Package heightDiffers25 mm19 mm
Package weightDiffers131 g75 g
Package typeKnown for oneBox
Packaging contentidentical
Quick installation guideKnown for oneYes
ManualKnown for oneYes
Technical detailsidentical
Compliance certificatesKnown for oneRoHS
Logistics dataidentical
Products per master (outer) caseKnown for one40 pc(s)
Master (outer) case widthKnown for one430 mm
Master (outer) case lengthKnown for one340 mm
Master (outer) case heightKnown for one150 mm
Designidentical
Product colourKnown for oneBlack

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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