Product comparison · 2 memory modules

Kingston Technology 1GB 667MHz DDR2 Non-ECC CL5 SODIMM vs Lenovo 512MB DDR2 SDRAM UDIMM

6specifications compared
5differ
1identical
17known for one product only

Key differences

The Kingston Technology 1GB 667MHz DDR2 Non-ECC CL5 SODIMM has 0.5 GB more internal memory than the Lenovo 512MB DDR2 SDRAM UDIMM (1 GB vs 0.5 GB). The Kingston Technology 1GB 667MHz DDR2 Non-ECC CL5 SODIMM has 2 more CAS latency than the Lenovo 512MB DDR2 SDRAM UDIMM (5 vs 3). The Lenovo 512MB DDR2 SDRAM UDIMM has 66.4 mm more width than the Kingston Technology 1GB 667MHz DDR2 Non-ECC CL5 SODIMM (134 mm vs 67.6 mm). Only the Lenovo 512MB DDR2 SDRAM UDIMM has ECC. Memory form factor: 200-pin SO-DIMM on the Kingston Technology 1GB 667MHz DDR2 Non-ECC CL5 SODIMM, 240-pin DIMM on the Lenovo 512MB DDR2 SDRAM UDIMM.

Internal memory
- 1GB 667MHz DDR2 Non-ECC CL5 SODIMM:1 GB
- 512MB DDR2 SDRAM UDIMM:0.5 GB
Memory form factor
- 1GB 667MHz DDR2 Non-ECC CL5 SODIMM:200-pin SO-DIMM
- 512MB DDR2 SDRAM UDIMM:240-pin DIMM
ECC
- 1GB 667MHz DDR2 Non-ECC CL5 SODIMM:No
- 512MB DDR2 SDRAM UDIMM:Yes
CAS latency
- 1GB 667MHz DDR2 Non-ECC CL5 SODIMM:5
- 512MB DDR2 SDRAM UDIMM:3
Width
- 1GB 667MHz DDR2 Non-ECC CL5 SODIMM:67.6 mm
- 512MB DDR2 SDRAM UDIMM:134 mm

Side by side

Differences highlightedShow differences only

Comparison of 1GB 667MHz DDR2 Non-ECC CL5 SODIMM, 512MB DDR2 SDRAM UDIMM
23 specifications	A Kingston Technology 1GB 667MHz DDR2 Non-ECC CL5 SODIMM View product	B Lenovo 512MB DDR2 SDRAM UDIMM View product
Features4 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory layout (modules x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Internal memory type	DDR2	DDR2
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	5	3
Memory busKnown for one	64 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Module configurationKnown for one	128M X 64	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	400 MHz
Lead platingKnown for one	Unknown — not stated by the source	Gold
Weight & dimensions1 differ
WidthDiffers	67.6 mm	134 mm
DepthKnown for one	Unknown — not stated by the source	30 mm
HeightKnown for one	Unknown — not stated by the source	4 mm
Other featuresidentical
Bus clock rateKnown for one	667 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Form factorKnown for one	200-pin SODIMM	Unknown — not stated by the source
Internal memoryKnown for one	1024 MB	Unknown — not stated by the source
Memory layoutKnown for one	1 x 1024 MB	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3200 Mbit/s
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 65 °C

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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