Product comparison · 2 memory modules

Samsung M391B5673EH1-CF8 memory module vs Samsung M393A4K40BB2-CTD memory module

Key differences

Internal memory
- M391B5673EH1-CF8 memory module:2 GB
- M393A4K40BB2-CTD memory module:32 GB
Internal memory type
- M391B5673EH1-CF8 memory module:DDR3
- M393A4K40BB2-CTD memory module:DDR4
Memory form factor
- M391B5673EH1-CF8 memory module:240-pin DIMM
- M393A4K40BB2-CTD memory module:288-pin DIMM
Memory clock speed
- M391B5673EH1-CF8 memory module:1066 MHz
- M393A4K40BB2-CTD memory module:2666 MHz
Buffered memory type
- M391B5673EH1-CF8 memory module:Unregistered (unbuffered)
- M393A4K40BB2-CTD memory module:Registered (buffered)

Differences highlightedShow differences only

Comparison of M391B5673EH1-CF8, M393A4K40BB2-CTD
13 specifications	A Samsung M391B5673EH1-CF8 memory module Model M391B5673EH1-CF8 View product	B Samsung M393A4K40BB2-CTD memory module Model M393A4K40BB2-CTD View product
Features5 differ
Internal memoryDiffers	2 GB	32 GB
Memory layout (modules x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR3	DDR4
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
CAS latencyKnown for one	7	Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	2666 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	2	Unknown — not stated by the source
Module configurationKnown for one	128M x 8	Unknown — not stated by the source
ECCKnown for one	Unknown — not stated by the source	Yes
Product colourKnown for one	Unknown — not stated by the source	Multicolour
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733020

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.