Product comparison · 2 memory modules

Fujitsu S26391-F1582-L400 memory module vs Hypertec HYM647883-B21-HY memory module

Key differences

Internal memory
- S26391-F1582-L400 memory module:4 GB
- HYM647883-B21-HY memory module:16 GB
Internal memory type
- S26391-F1582-L400 memory module:DDR4
- HYM647883-B21-HY memory module:DDR3
Memory form factor
- S26391-F1582-L400 memory module:260-pin SO-DIMM
- HYM647883-B21-HY memory module:240-pin DIMM
ECC
- S26391-F1582-L400 memory module:No
- HYM647883-B21-HY memory module:Yes
Memory clock speed
- S26391-F1582-L400 memory module:2133 MHz
- HYM647883-B21-HY memory module:1333 MHz
Buffered memory type
- S26391-F1582-L400 memory module:Unregistered (unbuffered)
- HYM647883-B21-HY memory module:Registered (buffered)

Differences highlightedShow differences only

Comparison of S26391-F1582-L400, HYM647883-B21-HY
13 specifications	A Fujitsu S26391-F1582-L400 memory module Model S26391-F1582-L400 View product	B Hypertec HYM647883-B21-HY memory module Model HYM647883-B21-HY View product
Features6 differ
Internal memoryDiffers	4 GB	16 GB
Memory layout (modules x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR4	DDR3
Component forKnown for one	Laptop	Unknown — not stated by the source
Memory form factorDiffers	260-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
Memory clock speedDiffers	2133 MHz	1333 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageKnown for one	1.2 V	Unknown — not stated by the source
Compatible productsKnown for one	Fujitsu LIFEBOOK S937	Unknown — not stated by the source
Memory rankingKnown for one	Unknown — not stated by the source	2
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 85 °C	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Yes	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.