Product comparison · 2 memory modules

Kingston Technology 1GB PC2100 SODIMM vs Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4

5specifications compared
4differ
1identical
8known for one product only

Key differences

Internal memory
- 1GB PC2100 SODIMM:1 GB
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
Internal memory type
- 1GB PC2100 SODIMM:DRAM
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:DDR2
Memory form factor
- 1GB PC2100 SODIMM:200-pin SO-DIMM
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
Memory bus
- 1GB PC2100 SODIMM:64 bit
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:72 bit

Side by side

Differences highlightedShow differences only

Comparison of 1GB PC2100 SODIMM, 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4
13 specifications	A Kingston Technology 1GB PC2100 SODIMM View product	B Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product
Features4 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (modules x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Internal memory typeDiffers	DRAM	DDR2
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
Memory busDiffers	64 bit	72 bit
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory typeKnown for one	DDR	Unknown — not stated by the source
Lead plating	Gold	Gold
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyKnown for one	Unknown — not stated by the source	3
Check widthKnown for one	Unknown — not stated by the source	4 bit
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Other featuresidentical
Processor frequencyKnown for one	1200 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.

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