Product comparison · 2 memory modules

Samsung 4GB DDR3 SO-DIMM vs Samsung 8GB DDR3 1866MHz

Key differences

Internal memory
- 4GB DDR3 SO-DIMM:4 GB
- 8GB DDR3 1866MHz:8 GB
Memory layout (modules x size)
- 4GB DDR3 SO-DIMM:1 x 4 GB
- 8GB DDR3 1866MHz:1 x 8 GB
Component for
- 4GB DDR3 SO-DIMM:Laptop
- 8GB DDR3 1866MHz:PC/Server
Memory form factor
- 4GB DDR3 SO-DIMM:204-pin SO-DIMM
- 8GB DDR3 1866MHz:240-pin DIMM
ECC
- 4GB DDR3 SO-DIMM:No
- 8GB DDR3 1866MHz:Yes
CAS latency
- 4GB DDR3 SO-DIMM:11
- 8GB DDR3 1866MHz:13
Memory clock speed
- 4GB DDR3 SO-DIMM:1600 MHz
- 8GB DDR3 1866MHz:1866 MHz
Buffered memory type
- 4GB DDR3 SO-DIMM:Unregistered (unbuffered)
- 8GB DDR3 1866MHz:Registered (buffered)

Differences highlightedShow differences only

Comparison of 4GB DDR3 SO-DIMM, 8GB DDR3 1866MHz
20 specifications	A Samsung 4GB DDR3 SO-DIMM View product	B Samsung 8GB DDR3 1866MHz View product
Features10 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 8 GB
Component forDiffers	Laptop	PC/Server
Memory form factorDiffers	204-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	11	13
Memory clock speedDiffers	1600 MHz	1866 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageDiffers	1.35 V	1.5 V
Module configurationDiffers	512M x 8	1024M x 72
Row cycle timeKnown for one	Unknown — not stated by the source	13 ns
Refresh row cycle timeKnown for one	Unknown — not stated by the source	13 ns
Memory rankingKnown for one	1	Unknown — not stated by the source
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
HeightKnown for one	Unknown — not stated by the source	30 mm
Other featuresidentical
Doesn't containKnown for one	Unknown — not stated by the source	Halogen

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.