Product comparison · 2 memory modules

2-Power 1GB DDR2 533MHz vs 2-Power 4GB DDR2 RDIMM

Key differences

Internal memory
- 1GB DDR2 533MHz:1 GB
- 4GB DDR2 RDIMM:4 GB
Memory layout (modules x size)
- 1GB DDR2 533MHz:1 x 1 GB
- 4GB DDR2 RDIMM:1 x 4 GB
Component for
- 1GB DDR2 533MHz:PC/Server
- 4GB DDR2 RDIMM:Laptop
Memory form factor
- 1GB DDR2 533MHz:240-pin DIMM
- 4GB DDR2 RDIMM:200-pin SO-DIMM
CAS latency
- 1GB DDR2 533MHz:4
- 4GB DDR2 RDIMM:5
Memory clock speed
- 1GB DDR2 533MHz:533 MHz
- 4GB DDR2 RDIMM:667 MHz
Memory ranking
- 1GB DDR2 533MHz:1
- 4GB DDR2 RDIMM:2

Differences highlightedShow differences only

Comparison of 1GB DDR2 533MHz, 4GB DDR2 RDIMM
19 specifications	A 2-Power 1GB DDR2 533MHz View product	B 2-Power 4GB DDR2 RDIMM View product
Features7 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Differs	1 x 1 GB	1 x 4 GB
Internal memory type	DDR2	DDR2
Component forDiffers	PC/Server	Laptop
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
CAS latencyDiffers	4	5
Memory clock speedDiffers	533 MHz	667 MHz
Memory rankingDiffers	1	2
Product colour	Green	Green
ECCKnown for one	No	Unknown — not stated by the source
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	152 mm
DepthKnown for one	Unknown — not stated by the source	6 mm
HeightKnown for one	Unknown — not stated by the source	52 mm
WeightKnown for one	Unknown — not stated by the source	22 g
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM

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.