Product comparison · 2 memory modules

HyperX 4GB( 4 x 1024MB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM vs Kingston Technology 1GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2)

Key differences

Internal memory
- 4GB( 4 x 1024MB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM:4 GB
- 1GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):1 GB
Memory form factor
- 4GB( 4 x 1024MB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM:240-pin DIMM
- 1GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):200-pin SO-DIMM
CAS latency
- 4GB( 4 x 1024MB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM:5
- 1GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):6
Memory voltage
- 4GB( 4 x 1024MB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM:2.2 V
- 1GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2):1.8 V

Differences highlightedShow differences only

Comparison of 4GB( 4 x 1024MB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM, 1GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2)
15 specifications	A HyperX 4GB( 4 x 1024MB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM View product	B Kingston Technology 1GB 800MHz DDR2 Non-ECC CL6 SODIMM (Kit of 2)View product
Features4 differ
Internal memoryDiffers	4 GB	1 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECC	No	No
CAS latencyDiffers	5	6
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
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 voltageDiffers	2.2 V	1.8 V
Module configurationKnown for one	128M X 64	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Other featuresidentical
Bus clock rateKnown for one	1066 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Internal memoryKnown for one	4096 MB	Unknown — not stated by the source
Memory layoutKnown for one	4 x 1024 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.