Product comparison · 2 memory modules

Kingston Technology 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4 vs Kingston Technology 2GB 533MHz DDR2 Non-ECC CL4 SODIMM

Key differences

Internal memory
- 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4:1 GB
- 2GB 533MHz DDR2 Non-ECC CL4 SODIMM:2 GB
Memory form factor
- 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4:240-pin DIMM
- 2GB 533MHz DDR2 Non-ECC CL4 SODIMM:200-pin SO-DIMM
ECC
- 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4:Yes
- 2GB 533MHz DDR2 Non-ECC CL4 SODIMM:No
CAS latency
- 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4:5
- 2GB 533MHz DDR2 Non-ECC CL4 SODIMM:4

Differences highlightedShow differences only

Comparison of 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4, 2GB 533MHz DDR2 Non-ECC CL4 SODIMM
14 specifications	A Kingston Technology 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4 View product	B Kingston Technology 2GB 533MHz DDR2 Non-ECC CL4 SODIMM View product
Features4 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	5	4
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltage	1.8 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 64
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead platingKnown for one	Gold	Unknown — not stated by the source
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	533 MHz
Form factorKnown for one	Unknown — not stated by the source	200-pin SODIMM

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.