Product comparison · 2 memory modules

Kingston Technology 4GB DDR2 667 MHz vs Kingston Technology 512MB DDR SDRAM PC-2700

4specifications compared
3differ
1identical
20known for one product only

Key differences

Internal memory
- 4GB DDR2 667 MHz:4 GB
- 512MB DDR SDRAM PC-2700:0.5 GB
Internal memory type
- 4GB DDR2 667 MHz:DDR2
- 512MB DDR SDRAM PC-2700:DDR
Memory voltage
- 4GB DDR2 667 MHz:1.8 V
- 512MB DDR SDRAM PC-2700:2.5 V

Side by side

Differences highlightedShow differences only

Comparison of 4GB DDR2 667 MHz, 512MB DDR SDRAM PC-2700
24 specifications	A Kingston Technology 4GB DDR2 667 MHz View product	B Kingston Technology 512MB DDR SDRAM PC-2700 View product
Features3 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR2	DDR
Component forKnown for one	Laptop	Unknown — not stated by the source
Memory form factorKnown for one	200-pin SO-DIMM	Unknown — not stated by the source
ECCKnown for one	No	Unknown — not stated by the source
CAS latencyKnown for one	5	Unknown — not stated by the source
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory voltageDiffers	1.8 V	2.5 V
Module configurationKnown for one	256M X 64	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Product colourKnown for one	Multicolour	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Row cycle timeKnown for one	Unknown — not stated by the source	60 ns
Row active timeKnown for one	Unknown — not stated by the source	42 ns
Weight & dimensionsidentical
WidthKnown for one	67.6 mm	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	MA940G/A (Apple); MA940G/B (Apple)	Unknown — not stated by the source
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	4096 MB	Unknown — not stated by the source
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Memory layoutKnown for one	2 x 2048 MB	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.

More memory module comparisons

All memory module comparisons