Product comparison · 2 memory modules

2-Power 2GB DDR2 DIMM vs 2-Power 8GB DDR4 DIMM

Key differences

Internal memory
- 2GB DDR2 DIMM:2 GB
- 8GB DDR4 DIMM:8 GB
Memory layout (modules x size)
- 2GB DDR2 DIMM:1 x 2 GB
- 8GB DDR4 DIMM:1 x 8 GB
Internal memory type
- 2GB DDR2 DIMM:DDR2
- 8GB DDR4 DIMM:DDR4
Memory form factor
- 2GB DDR2 DIMM:240-pin DIMM
- 8GB DDR4 DIMM:288-pin DIMM
ECC
- 2GB DDR2 DIMM:No
- 8GB DDR4 DIMM:Yes
CAS latency
- 2GB DDR2 DIMM:6
- 8GB DDR4 DIMM:15
Memory clock speed
- 2GB DDR2 DIMM:800 MHz
- 8GB DDR4 DIMM:2133 MHz
Buffered memory type
- 2GB DDR2 DIMM:Unregistered (unbuffered)
- 8GB DDR4 DIMM:Registered (buffered)

Differences highlightedShow differences only

Comparison of 2GB DDR2 DIMM, 8GB DDR4 DIMM
19 specifications	A 2-Power 2GB DDR2 DIMM View product	B 2-Power 8GB DDR4 DIMM View product
Features9 differ
Internal memoryDiffers	2 GB	8 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 8 GB
Internal memory typeDiffers	DDR2	DDR4
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	6	15
Memory clock speedDiffers	800 MHz	2133 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingDiffers	2	1
Weight & dimensions4 differ
WidthDiffers	152 mm	134 mm
DepthDiffers	6 mm	4 mm
HeightDiffers	52 mm	32 mm
WeightDiffers	22 g	24 g

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.