Product comparison · 2 memory modules

Kingston Technology 512MB DDR2-667 vs Lenovo 256MB NP SDRAM DIMM UPG

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

Key differences

Internal memory
- 512MB DDR2-667:0.5 GB
- 256MB NP SDRAM DIMM UPG:0.25 GB
Memory form factor
- 512MB DDR2-667:240-pin DIMM
- 256MB NP SDRAM DIMM UPG:168-pin DIMM
ECC
- 512MB DDR2-667:No
- 256MB NP SDRAM DIMM UPG:Yes
CAS latency
- 512MB DDR2-667:5
- 256MB NP SDRAM DIMM UPG:3

Side by side

Differences highlightedShow differences only

Comparison of 512MB DDR2-667, 256MB NP SDRAM DIMM UPG
13 specifications	A Kingston Technology 512MB DDR2-667 View product	B Lenovo 256MB NP SDRAM DIMM UPG View product
Features4 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory form factorDiffers	240-pin DIMM	168-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	5	3
Memory busKnown for one	64 bit	Unknown — not stated by the source
Check widthKnown for one	8 bit	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.4 mm
DepthKnown for one	Unknown — not stated by the source	35.7 mm
HeightKnown for one	Unknown — not stated by the source	3.8 mm

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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