Product comparison · 2 memory modules

HyperX 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2) vs HyperX 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4)

Key differences

Internal memory
- 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2):2 GB
- 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4):8 GB
Memory layout (modules x size)
- 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2):2 x 1 GB
- 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4):4 x 2 GB
CAS latency
- 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2):7
- 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4):4
Memory clock speed
- 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2):1066 MHz
- 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4):800 MHz
Memory voltage
- 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2):2.0 V
- 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4):2.1 V

Differences highlightedShow differences only

Comparison of 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2), 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4)
16 specifications	A HyperX 2GB 1066MHz DDR2 Non-ECC CL7 (7-7-7-20) DIMM (Kit of 2)View product	B HyperX 8GB, 800MHz, DDR2, Non-ECC, Low-Latency, CL4 (4-4-4-12), DIMM (Kit of 4)View product
Features5 differ
Internal memoryDiffers	2 GB	8 GB
Memory layout (modules x size)Differs	2 x 1 GB	4 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin 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 voltageDiffers	2.0 V	2.1 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 64
Lead plating	Gold	Gold
Other featuresidentical
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	8192 MB
Memory layoutKnown for one	Unknown — not stated by the source	4 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.