Product comparison · 2 memory modules

HP NB769AA memory module vs HP VH638AA memory module

7specifications compared
4differ
3identical
7known for one product only

Key differences

Internal memory
- NB769AA memory module:16 GB
- VH638AA memory module:4 GB
Memory layout (modules x size)
- NB769AA memory module:1 x 16 GB
- VH638AA memory module:1 x 4 GB
Memory clock speed
- NB769AA memory module:1066 MHz
- VH638AA memory module:1333 MHz

Side by side

Differences highlightedShow differences only

Comparison of NB769AA, VH638AA
14 specifications	A HP NB769AA memory module Model NB769AA View product	B HP VH638AA memory module Model VH638AA View product
Features3 differ
Internal memoryDiffers	16 GB	4 GB
Memory layout (modules x size)Differs	1 x 16 GB	1 x 4 GB
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory clock speedDiffers	1066 MHz	1333 MHz
ECCKnown for one	Yes	Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Software1 differ
Windows operating systems supportedDiffers	Yes	Windows 2000, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows XP Home, Windows XP Professional, Windows XP Professional x64
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	30 mm
DepthKnown for one	Unknown — not stated by the source	133 mm
HeightKnown for one	Unknown — not stated by the source	4 mm
Other featuresidentical
Size (imperial)Known for one	Unknown — not stated by the source	3 cm (1.18")

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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