Product comparison · 2 memory modules

HyperX Memory HyperX 1GB 800MHz DDR2 CL5 2pk vs HyperX Memory HyperX 2GB 400MHz DDR 2pk

10specifications compared
8differ
2identical
2known for one product only

Key differences

The HyperX Memory HyperX 2GB 400MHz DDR 2pk has 0.5 GB more internal memory than the HyperX Memory HyperX 1GB 800MHz DDR2 CL5 2pk (1 GB vs 0.5 GB). The HyperX Memory HyperX 1GB 800MHz DDR2 CL5 2pk has 2.5 more CAS latency than the HyperX Memory HyperX 2GB 400MHz DDR 2pk (5 vs 2.5). The HyperX Memory HyperX 1GB 800MHz DDR2 CL5 2pk has 400 MHz more memory clock speed than the HyperX Memory HyperX 2GB 400MHz DDR 2pk (800 MHz vs 400 MHz). Only the HyperX Memory HyperX 2GB 400MHz DDR 2pk has ECC. Internal memory type: DDR2 on the HyperX Memory HyperX 1GB 800MHz DDR2 CL5 2pk, DDR on the HyperX Memory HyperX 2GB 400MHz DDR 2pk.

Internal memory
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:0.5 GB
- Memory HyperX 2GB 400MHz DDR 2pk:1 GB
Internal memory type
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:DDR2
- Memory HyperX 2GB 400MHz DDR 2pk:DDR
Memory form factor
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:240-pin DIMM
- Memory HyperX 2GB 400MHz DDR 2pk:184-Pin DIMM
ECC
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:No
- Memory HyperX 2GB 400MHz DDR 2pk:Yes
CAS latency
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:5
- Memory HyperX 2GB 400MHz DDR 2pk:2.5
Memory clock speed
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:800 MHz
- Memory HyperX 2GB 400MHz DDR 2pk:400 MHz
Memory bus
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:64 bit
- Memory HyperX 2GB 400MHz DDR 2pk:72 bit
Operating temperature (T-T)
- Memory HyperX 1GB 800MHz DDR2 CL5 2pk:0 - 55 °C
- Memory HyperX 2GB 400MHz DDR 2pk:0 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of Memory HyperX 1GB 800MHz DDR2 CL5 2pk, Memory HyperX 2GB 400MHz DDR 2pk
12 specifications	A HyperX Memory HyperX 1GB 800MHz DDR2 CL5 2pk View product	B HyperX Memory HyperX 2GB 400MHz DDR 2pk View product
Features7 differ
Internal memoryDiffers	0.5 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
Check width	8 bit	8 bit
Lead plating	Gold	Gold
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.

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