Product comparison · 2 memory modules

Dell 256MB PC100 SDRAM vs Dell 512MB PC2-4200 DDR2 SO-DIMM

Key differences

Internal memory
- 256MB PC100 SDRAM:0.25 GB
- 512MB PC2-4200 DDR2 SO-DIMM:0.5 GB
Memory layout (modules x size)
- 256MB PC100 SDRAM:1 x 0.25 GB
- 512MB PC2-4200 DDR2 SO-DIMM:1 x 0.5 GB
Internal memory type
- 256MB PC100 SDRAM:SDR SDRAM
- 512MB PC2-4200 DDR2 SO-DIMM:DDR2
Component for
- 256MB PC100 SDRAM:PC/Server
- 512MB PC2-4200 DDR2 SO-DIMM:Laptop
Memory form factor
- 256MB PC100 SDRAM:168-pin DIMM
- 512MB PC2-4200 DDR2 SO-DIMM:200-pin SO-DIMM
ECC
- 256MB PC100 SDRAM:Yes
- 512MB PC2-4200 DDR2 SO-DIMM:No
Memory clock speed
- 256MB PC100 SDRAM:100 MHz
- 512MB PC2-4200 DDR2 SO-DIMM:533 MHz
Package type
- 256MB PC100 SDRAM:DIMM
- 512MB PC2-4200 DDR2 SO-DIMM:SO-DIMM

Differences highlightedShow differences only

Comparison of 256MB PC100 SDRAM, 512MB PC2-4200 DDR2 SO-DIMM
10 specifications	A Dell 256MB PC100 SDRAM View product	B Dell 512MB PC2-4200 DDR2 SO-DIMM View product
Features7 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Memory layout (modules x size)Differs	1 x 0.25 GB	1 x 0.5 GB
Internal memory typeDiffers	SDR SDRAM	DDR2
Component forDiffers	PC/Server	Laptop
Memory form factorDiffers	168-pin DIMM	200-pin SO-DIMM
ECCDiffers	Yes	No
Memory clock speedDiffers	100 MHz	533 MHz
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Packaging data1 differ
Package typeDiffers	DIMM	SO-DIMM

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.