Product comparison · 2 usb graphics adapters

StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz vs StarTech.com USB C to DisplayPort Adapter - 8K/4K

27specifications compared
23differ
4identical
21known for one product only

Key differences

The StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz has 1 more displays supported than the StarTech.com USB C to DisplayPort Adapter - 8K/4K (2 vs 1). The StarTech.com USB C to DisplayPort Adapter - 8K/4K has 30 Hz more refresh rate at maximum resolution than the StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz (60 Hz vs 30 Hz). The StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz has 14.8 mm more width than the StarTech.com USB C to DisplayPort Adapter - 8K/4K (52.8 mm vs 38 mm). Only the StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz has HDMI output. Only the StarTech.com USB C to DisplayPort Adapter - 8K/4K has DisplayPort output.

USB connector type
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:USB Type-A, USB Type-C
- USB C to DisplayPort Adapter - 8K/4K:USB Type-C
HDMI output
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:Yes
- USB C to DisplayPort Adapter - 8K/4K:No
DisplayPort output
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:No
- USB C to DisplayPort Adapter - 8K/4K:Yes
Number of displays supported
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:2
- USB C to DisplayPort Adapter - 8K/4K:1
Maximum resolution
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:3840 x 2160 pixels
- USB C to DisplayPort Adapter - 8K/4K:7680 x 4320 pixels
Refresh rate at maximum resolution
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:30 Hz
- USB C to DisplayPort Adapter - 8K/4K:60 Hz
Chipset
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:Silicon Motion - SM768
- USB C to DisplayPort Adapter - 8K/4K:VL103
Width
- USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz:52.8 mm
- USB C to DisplayPort Adapter - 8K/4K:38 mm

Side by side

Differences highlightedShow differences only

Comparison of 107B-USB-HDMI-2, CDP2DPEC
48 specifications	A StarTech.com USB to Dual HDMI Adapter, USB A/C to 2x HDMI Displays (1x 4K30Hz Model 107B-USB-HDMI-2 View product	B StarTech.com USB C to DisplayPort Adapter - 8K/4K Model CDP2DPEC View product
Performance7 differ
USB versionKnown for one	3.2 Gen 1 (3.1 Gen 1)	Unknown — not stated by the source
USB connector typeDiffers	USB Type-A, USB Type-C	USB Type-C
HDMI outputDiffers	Yes	No
DisplayPort outputDiffers	No	Yes
Number of displays supportedDiffers	2	1
HDMI ports quantityKnown for one	2	Unknown — not stated by the source
HDMI versionKnown for one	1.4	Unknown — not stated by the source
Internal memoryKnown for one	8192 MB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR3	Unknown — not stated by the source
Maximum resolutionDiffers	3840 x 2160 pixels	7680 x 4320 pixels
Refresh rate at maximum resolutionDiffers	30 Hz	60 Hz
Supported graphics resolutionsKnown for one	3840 x 2160, 2560 x 1400, 1920 x 1080 (HD 1080), 1600 x 900, 1280 x 720 (HD 720)	Unknown — not stated by the source
ChipsetDiffers	Silicon Motion - SM768	VL103
DVI outputKnown for one	Unknown — not stated by the source	No
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
HDCPKnown for one	Unknown — not stated by the source	Yes
DisplayPort versionKnown for one	Unknown — not stated by the source	1.4
Data transfer rate (max)Known for one	Unknown — not stated by the source	32.4 Gbit/s
System requirementsidentical
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Windows 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	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 15.0 Sequoia, Mac OS 26 Tahoe	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Other operating systems supportedKnown for one	ChromeOS	Unknown — not stated by the source
Weight & dimensions5 differ
WidthDiffers	52.8 mm	38 mm
DepthDiffers	100 mm	390 mm
HeightDiffers	11 mm	15 mm
WeightDiffers	66 g	26 g
USB cable lengthDiffers	0.183 m	0.3 m
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 45 °C
Operating relative humidity (H-H)Differs	5 - 90%	10 - 85%
Packaging data4 differ
Package widthDiffers	157 mm	125 mm
Package depthDiffers	126 mm	173 mm
Package heightDiffers	19 mm	24 mm
Package weightDiffers	75 g	32 g
Packaging contentidentical
Quick installation guideKnown for one	Yes	Unknown — not stated by the source
Technical details1 differ
Compliance certificatesDiffers	RoHS	CE, RoHS
Logistics data4 differ
Products per master (outer) caseDiffers	40 pc(s)	200 pc(s)
Master (outer) case widthDiffers	430 mm	330 mm
Master (outer) case lengthDiffers	340 mm	500 mm
Master (outer) case heightDiffers	150 mm	220 mm
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733020
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black, Grey
Housing materialKnown for one	Unknown — not stated by the source	Plastic
Integrated USB cableKnown for one	Unknown — not stated by the source	Yes

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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