Product comparison · 2 memory modules

Kingston Technology 1GB, 800MHz, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC vs Kingston Technology 4GB DDR2-667 Dual Rank Kit

Key differences

Internal memory
- 1GB, 800MHz, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC:1 GB
- 4GB DDR2-667 Dual Rank Kit:4 GB
Internal memory type
- 1GB, 800MHz, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC:DDR2
- 4GB DDR2-667 Dual Rank Kit:DRAM

Differences highlightedShow differences only

Comparison of 1GB, 800MHz, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC, 4GB DDR2-667 Dual Rank Kit
21 specifications	A Kingston Technology 1GB, 800MHz, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC View product	B Kingston Technology 4GB DDR2-667 Dual Rank Kit View product
Features2 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory typeDiffers	DDR2	DRAM
Memory form factor	240-pin DIMM	240-pin DIMM
CAS latency	5	5
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltage	1.8 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead plating	Gold	Gold
ECCKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X4
CompatibilityKnown for one	Unknown — not stated by the source	408853-B21 (HP); EV283AA (HP)
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	Parity
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 2048 MB
Processor frequencyKnown for one	800 MHz	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.