Product comparison · 2 memory modules

HyperX 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM vs HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)

Key differences

Internal memory
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM:2 GB
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):4 GB
Internal memory type
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM:DDR3
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):DDR2
Memory form factor
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM:240-pin DIMM
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):200-pin SO-DIMM
CAS latency
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM:8
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):4
Memory clock speed
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM:1800 MHz
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):800 MHz
Memory voltage
- 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM:1.9 V
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):1.8 V

Differences highlightedShow differences only

Comparison of 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM, 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)
18 specifications	A HyperX 2GB, 1800MHz, DDR3, Non-ECC, CL8 (8-8-8-24), DIMM View product	B HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)View product
Features6 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECC	No	No
CAS latencyDiffers	8	4
Memory clock speedDiffers	1800 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 voltageDiffers	1.9 V	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.