Product comparison · 2 memory modules

HyperX 2GB (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), 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 (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), DIMM:2 GB
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):4 GB
Memory form factor
- 2GB (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), 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 (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), DIMM:7
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):4
Memory clock speed
- 2GB (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), DIMM:1066 MHz
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):800 MHz
Memory voltage
- 2GB (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), DIMM:2.0 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 (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), DIMM, 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)
18 specifications	A HyperX 2GB (1X2GB), 1066MHz, DDR2, Non-ECC, CL7 (7-7-7-20), DIMM View product	B HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)View product
Features5 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 type	DDR2	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECC	No	No
CAS latencyDiffers	7	4
Memory clock speedDiffers	1066 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	2.0 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.