Product comparison · 2 memory cards

ADATA 4GB microSDHC Class 4 + microReader Ver.3 vs ADATA 8GB UHS-I U1

Key differences

Differences highlightedShow differences only

Comparison of 4GB microSDHC Class 4 + microReader Ver.3, 8GB UHS-I U1
22 specifications	A ADATA 4GB microSDHC Class 4 + microReader Ver.3 View product	B ADATA 8GB UHS-I U1 View product
Memory1 differ
CapacityDiffers	4 GB	8 GB
Read speedKnown for one	Unknown — not stated by the source	45 MB/s
Write speedKnown for one	Unknown — not stated by the source	20 MB/s
Internal memory typeKnown for one	Unknown — not stated by the source	UHS
Flash memory classKnown for one	Class 4	Unknown — not stated by the source
Featuresidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Input voltageKnown for one	Unknown — not stated by the source	2.7 - 3.6 V
Weight & dimensions3 differ
WidthDiffers	15 mm	11 mm
DepthDiffers	11 mm	15 mm
WeightDiffers	0.5 g	0.25 g
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	128 x 84.5 x 5.5 mm
Package weightKnown for one	Unknown — not stated by the source	9.25 g
Other featuresidentical
ShockproofKnown for one	Unknown — not stated by the source	Yes
WaterproofKnown for one	Unknown — not stated by the source	Yes
Packaging contentidentical
Memory adapter includedKnown for one	USB	Unknown — not stated by the source

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.