Product comparison · 2 memory modules

HyperX Memory HyperX 256MB 800MHz DDR2 CL5 vs HyperX Memory HyperX 2GB 400MHz DDR 2pk

Key differences

Internal memory
- Memory HyperX 256MB 800MHz DDR2 CL5:0.25 GB
- Memory HyperX 2GB 400MHz DDR 2pk:1 GB
Internal memory type
- Memory HyperX 256MB 800MHz DDR2 CL5:DDR2
- Memory HyperX 2GB 400MHz DDR 2pk:DDR
Memory form factor
- Memory HyperX 256MB 800MHz DDR2 CL5:240-pin DIMM
- Memory HyperX 2GB 400MHz DDR 2pk:184-Pin DIMM
ECC
- Memory HyperX 256MB 800MHz DDR2 CL5:No
- Memory HyperX 2GB 400MHz DDR 2pk:Yes
CAS latency
- Memory HyperX 256MB 800MHz DDR2 CL5:5
- Memory HyperX 2GB 400MHz DDR 2pk:2.5
Memory clock speed
- Memory HyperX 256MB 800MHz DDR2 CL5:800 MHz
- Memory HyperX 2GB 400MHz DDR 2pk:400 MHz
Memory bus
- Memory HyperX 256MB 800MHz DDR2 CL5:64 bit
- Memory HyperX 2GB 400MHz DDR 2pk:72 bit
Operating temperature (T-T)
- Memory HyperX 256MB 800MHz DDR2 CL5:0 - 55 °C
- Memory HyperX 2GB 400MHz DDR 2pk:0 - 70 °C

Differences highlightedShow differences only

Comparison of Memory HyperX 256MB 800MHz DDR2 CL5, Memory HyperX 2GB 400MHz DDR 2pk
12 specifications	A HyperX Memory HyperX 256MB 800MHz DDR2 CL5 View product	B HyperX Memory HyperX 2GB 400MHz DDR 2pk View product
Features7 differ
Internal memoryDiffers	0.25 GB	1 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	5	2.5
Memory clock speedDiffers	800 MHz	400 MHz
Memory busDiffers	64 bit	72 bit
Memory voltageKnown for one	Unknown — not stated by the source	2.6 V
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.