Fujitsu 4GB Memory Kit vs HyperX 4GB (2 x 2GB) 667MHz DDR2

Comparison of 4GB Memory Kit, 4GB (2 x 2GB) 667MHz DDR2

23 specifications	A Fujitsu 4GB Memory KitView product	B HyperX 4GB (2 x 2GB) 667MHz DDR2View product
Features1 differ
Component forKnown for one	—Unknown — not stated by the source	Laptop
Memory form factorKnown for one	—Unknown — not stated by the source	200-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	—Unknown — not stated by the source	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 voltageKnown for one	—Unknown — not stated by the source	1.8 V
Module configurationKnown for one	—Unknown — not stated by the source	256M x 64
Row cycle timeKnown for one	—Unknown — not stated by the source	60 ns
Refresh row cycle timeKnown for one	—Unknown — not stated by the source	127.5 ns
Row active timeKnown for one	—Unknown — not stated by the source	70000 ns
Lead platingKnown for one	—Unknown — not stated by the source	Gold
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 55 °C
Other features1 differ
Bus clock rateKnown for one	—Unknown — not stated by the source	667 MHz
Error indicationKnown for one	—Unknown — not stated by the source	No
Internal memoryKnown for one	—Unknown — not stated by the source	4096 MB
Memory layoutKnown for one	—Unknown — not stated by the source	2 x 2048 MB
Number of pinsDiffers	240	200
Memory technologyKnown for one	—Unknown — not stated by the source	PC2-5300

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.