Product comparison · 2 memory modules

HyperX 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2) vs HyperX 4GB(2 x 2048MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM

Key differences

Internal memory
- 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2):2 GB
- 4GB(2 x 2048MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM:4 GB
Memory form factor
- 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2):240-pin DIMM
- 4GB(2 x 2048MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM:200-pin SO-DIMM
CAS latency
- 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2):4
- 4GB(2 x 2048MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM:5

Differences highlightedShow differences only

Comparison of 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2), 4GB(2 x 2048MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM
17 specifications	A HyperX 2GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), FBDIMM (Kit of 2)View product	B HyperX 4GB(2 x 2048MB), 800MHz, DDR2, Non-ECC, CL5 (5-5-5-18), SODIMM View product
Features3 differ
Internal memoryDiffers	2 GB	4 GB
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
CAS latencyDiffers	4	5
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
Module configurationKnown for one	Unknown — not stated by the source	256M X 64
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.