Product comparison · 2 memory modules

Samsung 2GB DDR2-800 vs Samsung 4GB DDR3 1333MHz Unbuffered SODIMM

Key differences

Internal memory
- 2GB DDR2-800:2 GB
- 4GB DDR3 1333MHz Unbuffered SODIMM:4 GB
Memory layout (modules x size)
- 2GB DDR2-800:1 x 2 GB
- 4GB DDR3 1333MHz Unbuffered SODIMM:1 x 4 GB
Internal memory type
- 2GB DDR2-800:DDR2
- 4GB DDR3 1333MHz Unbuffered SODIMM:DDR3
Component for
- 2GB DDR2-800:PC/Server
- 4GB DDR3 1333MHz Unbuffered SODIMM:Laptop
Memory form factor
- 2GB DDR2-800:240-pin DIMM
- 4GB DDR3 1333MHz Unbuffered SODIMM:204-pin SO-DIMM
CAS latency
- 2GB DDR2-800:6
- 4GB DDR3 1333MHz Unbuffered SODIMM:9
Memory clock speed
- 2GB DDR2-800:800 MHz
- 4GB DDR3 1333MHz Unbuffered SODIMM:1333 MHz
Memory voltage
- 2GB DDR2-800:1.8 V
- 4GB DDR3 1333MHz Unbuffered SODIMM:1.5 V

Differences highlightedShow differences only

Comparison of 2GB DDR2-800, 4GB DDR3 1333MHz Unbuffered SODIMM
15 specifications	A Samsung 2GB DDR2-800 View product	B Samsung 4GB DDR3 1333MHz Unbuffered SODIMM View product
Features8 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory typeDiffers	DDR2	DDR3
Component forDiffers	PC/Server	Laptop
Memory form factorDiffers	240-pin DIMM	204-pin SO-DIMM
ECCKnown for one	Unknown — not stated by the source	No
CAS latencyDiffers	6	9
Memory clock speedDiffers	800 MHz	1333 MHz
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageDiffers	1.8 V	1.5 V
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	67.6 mm
HeightKnown for one	Unknown — not stated by the source	30 mm
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	512Mx64
BandwidthKnown for one	6400 MB/s	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.