Product comparison · 2 memory modules

HyperX Memory HyperX 256MB 800MHz DDR2 CL5 vs HyperX Memory HyperX 512MB 400Mhz DDR 2Pk

Key differences

Internal memory type
- Memory HyperX 256MB 800MHz DDR2 CL5:DDR2
- Memory HyperX 512MB 400Mhz DDR 2Pk:DDR
Memory form factor
- Memory HyperX 256MB 800MHz DDR2 CL5:240-pin DIMM
- Memory HyperX 512MB 400Mhz DDR 2Pk:184-Pin DIMM
CAS latency
- Memory HyperX 256MB 800MHz DDR2 CL5:5
- Memory HyperX 512MB 400Mhz DDR 2Pk:2
Memory clock speed
- Memory HyperX 256MB 800MHz DDR2 CL5:800 MHz
- Memory HyperX 512MB 400Mhz DDR 2Pk:400 MHz
Operating temperature (T-T)
- Memory HyperX 256MB 800MHz DDR2 CL5:0 - 55 °C
- Memory HyperX 512MB 400Mhz DDR 2Pk:0 - 70 °C

Differences highlightedShow differences only

Comparison of Memory HyperX 256MB 800MHz DDR2 CL5, Memory HyperX 512MB 400Mhz DDR 2Pk
13 specifications	A HyperX Memory HyperX 256MB 800MHz DDR2 CL5 View product	B HyperX Memory HyperX 512MB 400Mhz DDR 2Pk View product
Features4 differ
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
CAS latencyDiffers	5	2
Memory clock speedDiffers	800 MHz	400 MHz
Memory voltageKnown for one	Unknown — not stated by the source	2.6 V
Internal memory access speedKnown for one	Unknown — not stated by the source	5 ns
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 70 °C
Other featuresidentical
Processor frequencyKnown for one	800 MHz	Unknown — not stated by the source

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.