Product comparison · 2 memory modules

Dell 4GB DDR2 800MHz Module vs Dell 4GB DDR3 1333MHz Module

Key differences

Internal memory type
- 4GB DDR2 800MHz Module:DDR2
- 4GB DDR3 1333MHz Module:DDR3
Component for
- 4GB DDR2 800MHz Module:Laptop
- 4GB DDR3 1333MHz Module:PC/Server
Memory form factor
- 4GB DDR2 800MHz Module:200-pin SO-DIMM
- 4GB DDR3 1333MHz Module:240-pin DIMM
ECC
- 4GB DDR2 800MHz Module:No
- 4GB DDR3 1333MHz Module:Yes
Memory clock speed
- 4GB DDR2 800MHz Module:800 MHz
- 4GB DDR3 1333MHz Module:1333 MHz
Buffered memory type
- 4GB DDR2 800MHz Module:Unregistered (unbuffered)
- 4GB DDR3 1333MHz Module:Registered (buffered)

Differences highlightedShow differences only

Comparison of 4GB DDR2 800MHz Module, 4GB DDR3 1333MHz Module
11 specifications	A Dell 4GB DDR2 800MHz Module View product	B Dell 4GB DDR3 1333MHz Module View product
Features6 differ
Internal memory typeDiffers	DDR2	DDR3
Component forDiffers	Laptop	PC/Server
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyKnown for one	6	Unknown — not stated by the source
Memory clock speedDiffers	800 MHz	1333 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Memory rankingKnown for one	Unknown — not stated by the source	2

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.