Product comparison · 2 memory modules

HyperX 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2) vs HyperX 2GB 800MHz DDR2

Key differences

Internal memory
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):1 GB
- 2GB 800MHz DDR2:2 GB
CAS latency
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):5
- 2GB 800MHz DDR2:4
Memory clock speed
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):1066 MHz
- 2GB 800MHz DDR2:800 MHz
Memory voltage
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):2.2 V
- 2GB 800MHz DDR2:1.8 V

Differences highlightedShow differences only

Comparison of 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2), 2GB 800MHz DDR2
20 specifications	A HyperX 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2)View product	B HyperX 2GB 800MHz DDR2 View product
Features4 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	No	No
CAS latencyDiffers	5	4
Memory clock speedDiffers	1066 MHz	800 MHz
Memory bus	64 bit	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageDiffers	2.2 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	128M X 64
Lead plating	Gold	Gold
Memory layout (modules x size)Known for one	2 x 0.5 GB	Unknown — not stated by the source
Component forKnown for one	PC/Server	Unknown — not stated by the source
Check widthKnown for one	8 bit	Unknown — not stated by the source
Row cycle timeKnown for one	51.5 ns	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 55 °C	0 - 55 °C
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	2048 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 1024 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.