Product comparison · 2 memory modules

ADATA DDR2 SO-DIMM 1GB 667 vs ADATA DDR3 U-DIMM 4GB (9)

Key differences

Internal memory
- DDR2 SO-DIMM 1GB 667:1 GB
- DDR3 U-DIMM 4GB (9):4 GB
Internal memory type
- DDR2 SO-DIMM 1GB 667:DDR2
- DDR3 U-DIMM 4GB (9):DDR3
Component for
- DDR2 SO-DIMM 1GB 667:Laptop
- DDR3 U-DIMM 4GB (9):PC/Server
Memory form factor
- DDR2 SO-DIMM 1GB 667:200-pin SO-DIMM
- DDR3 U-DIMM 4GB (9):240-pin DIMM
CAS latency
- DDR2 SO-DIMM 1GB 667:5
- DDR3 U-DIMM 4GB (9):9
Memory clock speed
- DDR2 SO-DIMM 1GB 667:667 MHz
- DDR3 U-DIMM 4GB (9):1333 MHz
Memory voltage
- DDR2 SO-DIMM 1GB 667:1.8 V
- DDR3 U-DIMM 4GB (9):1.5 V

Differences highlightedShow differences only

Comparison of DDR2 SO-DIMM 1GB 667, DDR3 U-DIMM 4GB (9)
9 specifications	A ADATA DDR2 SO-DIMM 1GB 667 View product	B ADATA DDR3 U-DIMM 4GB (9)View product
Features7 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR2	DDR3
Component forDiffers	Laptop	PC/Server
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
CAS latencyDiffers	5	9
Memory clock speedDiffers	667 MHz	1333 MHz
Memory voltageDiffers	1.8 V	1.5 V
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)

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.