Product comparison · 2 memory modules

Samsung 4GB DDR3-1333MHz vs Samsung 8GB DDR3 1333MHz

Key differences

Internal memory
- 4GB DDR3-1333MHz:4 GB
- 8GB DDR3 1333MHz:8 GB
Memory layout (modules x size)
- 4GB DDR3-1333MHz:1 x 4 GB
- 8GB DDR3 1333MHz:1 x 8 GB
Buffered memory type
- 4GB DDR3-1333MHz:Registered (buffered)
- 8GB DDR3 1333MHz:Unregistered (unbuffered)
Module configuration
- 4GB DDR3-1333MHz:512M x 72
- 8GB DDR3 1333MHz:1024M x 72

Differences highlightedShow differences only

Comparison of 4GB DDR3-1333MHz, 8GB DDR3 1333MHz
21 specifications	A Samsung 4GB DDR3-1333MHz View product	B Samsung 8GB DDR3 1333MHz View product
Features4 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 8 GB
Internal memory type	DDR3	DDR3
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	9	9
Memory clock speed	1333 MHz	1333 MHz
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory voltage	1.5 V	1.5 V
Module configurationDiffers	512M x 72	1024M x 72
Row cycle timeKnown for one	Unknown — not stated by the source	9 ns
Refresh row cycle timeKnown for one	Unknown — not stated by the source	9 ns
Memory rankingKnown for one	1	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 85 °C
Sustainabilityidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.3 mm
DepthKnown for one	Unknown — not stated by the source	4 mm
Height	30 mm	30 mm
Other featuresidentical
Doesn't containKnown for one	Unknown — not stated by the source	Halogen
Packaging dataidentical
Package typeKnown for one	DIMM	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.