Product comparison · 2 memory modules

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

Key differences

Internal memory
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:1 GB
- Memory HyperX 512MB 400Mhz DDR 2Pk:0.25 GB
Internal memory type
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:DDR2
- Memory HyperX 512MB 400Mhz DDR 2Pk:DDR
Memory form factor
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:240-pin DIMM
- Memory HyperX 512MB 400Mhz DDR 2Pk:184-Pin DIMM
CAS latency
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:5
- Memory HyperX 512MB 400Mhz DDR 2Pk:2
Memory clock speed
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:800 MHz
- Memory HyperX 512MB 400Mhz DDR 2Pk:400 MHz
Memory voltage
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:2.0 V
- Memory HyperX 512MB 400Mhz DDR 2Pk:2.6 V
Operating temperature (T-T)
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:0 - 55 °C
- Memory HyperX 512MB 400Mhz DDR 2Pk:0 - 70 °C

Differences highlightedShow differences only

Comparison of Memory HyperX 2GB 800MHz DDR2 CL5 2pk, Memory HyperX 512MB 400Mhz DDR 2Pk
19 specifications	A HyperX Memory HyperX 2GB 800MHz DDR2 CL5 2pk View product	B HyperX Memory HyperX 512MB 400Mhz DDR 2Pk View product
Features6 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECC	No	No
CAS latencyDiffers	5	2
Memory clock speedDiffers	800 MHz	400 MHz
Memory bus	64 bit	64 bit
Check width	8 bit	8 bit
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory voltageDiffers	2.0 V	2.6 V
Module configurationKnown for one	128M X 64	Unknown — not stated by the source
Lead plating	Gold	Gold
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
Bus clock rateKnown for one	800 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Internal memoryKnown for one	2048 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 1024 MB	Unknown — not stated by the source
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.