Product comparison · 2 memory modules

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

Key differences

Internal memory
- 2GB DDR2-800:2 GB
- 4GB DDR3 1333MHz Unbuffered DIMM:4 GB
Memory layout (modules x size)
- 2GB DDR2-800:1 x 2 GB
- 4GB DDR3 1333MHz Unbuffered DIMM:2 x 2 GB
Internal memory type
- 2GB DDR2-800:DDR2
- 4GB DDR3 1333MHz Unbuffered DIMM:DDR3
CAS latency
- 2GB DDR2-800:6
- 4GB DDR3 1333MHz Unbuffered DIMM:9
Memory clock speed
- 2GB DDR2-800:800 MHz
- 4GB DDR3 1333MHz Unbuffered DIMM:1333 MHz
Memory voltage
- 2GB DDR2-800:1.8 V
- 4GB DDR3 1333MHz Unbuffered DIMM:1.5 V

Differences highlightedShow differences only

Comparison of 2GB DDR2-800, 4GB DDR3 1333MHz Unbuffered DIMM
14 specifications	A Samsung 2GB DDR2-800 View product	B Samsung 4GB DDR3 1333MHz Unbuffered DIMM View product
Features6 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 2 GB
Internal memory typeDiffers	DDR2	DDR3
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
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 85 °C	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.