Product comparison · 2 memory modules

HyperX 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC vs HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)

Key differences

Internal memory
- 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC:2 GB
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):4 GB
Memory layout (modules x size)
- 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC:2 x 1 GB
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):2 x 2 GB

Differences highlightedShow differences only

Comparison of 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC, 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)
18 specifications	A HyperX 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC View product	B HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)View product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 1 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	200-pin SO-DIMM	200-pin SO-DIMM
ECC	No	No
CAS latency	4	4
Memory clock speed	800 MHz	800 MHz
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 rankingKnown for one	Unknown — not stated by the source	2
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
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	800 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

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.