Product comparison · 2 memory modules

HP VH639AA memory module vs Kingston Technology 4GB 1333MHz DDR3 Non-ECC CL9 SODIMM

5specifications compared
3differ
2identical
17known for one product only

Key differences

Internal memory
- VH639AA memory module:1 GB
- 4GB 1333MHz DDR3 Non-ECC CL9 SODIMM:4 GB
Memory layout (modules x size)
- VH639AA memory module:1 x 1 GB
- 4GB 1333MHz DDR3 Non-ECC CL9 SODIMM:1 x 4 GB
Memory type
- VH639AA memory module:PC3-10600
- 4GB 1333MHz DDR3 Non-ECC CL9 SODIMM:DDR3

Side by side

Differences highlightedShow differences only

Comparison of VH639AA, 4GB 1333MHz DDR3 Non-ECC CL9 SODIMM
22 specifications	A HP VH639AA memory module Model VH639AA View product	B Kingston Technology 4GB 1333MHz DDR3 Non-ECC CL9 SODIMM View product
Features3 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Differs	1 x 1 GB	1 x 4 GB
Internal memory type	DDR3	DDR3
Memory form factor	204-pin SO-DIMM	204-pin SO-DIMM
ECCKnown for one	Unknown — not stated by the source	No
CAS latencyKnown for one	Unknown — not stated by the source	9
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Module configurationKnown for one	Unknown — not stated by the source	512M X 64
Memory typeDiffers	PC3-10600	DDR3
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	1333 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Form factorKnown for one	Unknown — not stated by the source	204-pin SODIMM
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 4096 MB
Dimensions (WxDxH)Known for one	30 x 67.6 x 38 mm	Unknown — not stated by the source
Size (imperial)Known for one	3 cm (1.18")	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	SO-DIMM	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.