Integral USB 2.0 EnvoyPlus vs Integral 8GB USB 2.0 ENVOYplus w/ READYBOOST

Comparison of INFD4GBENVS, INFD8GBENVBRB

10 specifications	A Integral USB 2.0 EnvoyPlus Model INFD4GBENVS View product	B Integral 8GB USB 2.0 ENVOYplus w/ READYBOOST Model INFD8GBENVBRB View product
Performance2 differ
CapacityDiffers	4 GB	8 GB
Device interface	USB Type-A	USB Type-A
USB version	2.0	2.0
Compatible operating systemsDiffers	Windows 98SE/ME/2000/XP/Vista Mac OS 8.6 +	Windows ME, 2000, XP & Vista. Mac OS 09 + Linux v2.4.0 +
Plug and PlayKnown for one	Yes	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	70 mm
DepthKnown for one	—Unknown — not stated by the source	9 mm
HeightKnown for one	—Unknown — not stated by the source	18 mm
Weight	13 g	13 g
Designidentical
Product colourKnown for one	Silver	—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.