Product comparison · 2 memory modules

HyperX Memory HyperX 2GB 400MHz DDR 2pk vs HyperX Memory HyperX 512MB 750MHz DDR2 CL4

10specifications compared
8differ
2identical
1known 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 512MB 750MHz DDR2 CL4 (1 GB vs 0.5 GB). The HyperX Memory HyperX 512MB 750MHz DDR2 CL4 has 1.5 more CAS latency than the HyperX Memory HyperX 2GB 400MHz DDR 2pk (4 vs 2.5). The HyperX Memory HyperX 2GB 400MHz DDR 2pk has 8 bit more memory bus than the HyperX Memory HyperX 512MB 750MHz DDR2 CL4 (72 bit vs 64 bit). Only the HyperX Memory HyperX 2GB 400MHz DDR 2pk has ECC. Internal memory type: DDR on the HyperX Memory HyperX 2GB 400MHz DDR 2pk, DDR2 on the HyperX Memory HyperX 512MB 750MHz DDR2 CL4.

Internal memory
- Memory HyperX 2GB 400MHz DDR 2pk:1 GB
- Memory HyperX 512MB 750MHz DDR2 CL4:0.5 GB
Internal memory type
- Memory HyperX 2GB 400MHz DDR 2pk:DDR
- Memory HyperX 512MB 750MHz DDR2 CL4:DDR2
Memory form factor
- Memory HyperX 2GB 400MHz DDR 2pk:184-Pin DIMM
- Memory HyperX 512MB 750MHz DDR2 CL4:240-pin DIMM
ECC
- Memory HyperX 2GB 400MHz DDR 2pk:Yes
- Memory HyperX 512MB 750MHz DDR2 CL4:No
CAS latency
- Memory HyperX 2GB 400MHz DDR 2pk:2.5
- Memory HyperX 512MB 750MHz DDR2 CL4:4
Memory bus
- Memory HyperX 2GB 400MHz DDR 2pk:72 bit
- Memory HyperX 512MB 750MHz DDR2 CL4:64 bit
Memory voltage
- Memory HyperX 2GB 400MHz DDR 2pk:2.6 V
- Memory HyperX 512MB 750MHz DDR2 CL4:1.9 V
Operating temperature (T-T)
- Memory HyperX 2GB 400MHz DDR 2pk:0 - 70 °C
- Memory HyperX 512MB 750MHz DDR2 CL4:0 - 55 °C

Side by side

Differences highlightedShow differences only

Comparison of Memory HyperX 2GB 400MHz DDR 2pk, Memory HyperX 512MB 750MHz DDR2 CL4
11 specifications	A HyperX Memory HyperX 2GB 400MHz DDR 2pk View product	B HyperX Memory HyperX 512MB 750MHz DDR2 CL4 View product
Features7 differ
Internal memoryDiffers	1 GB	0.5 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-Pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	2.5	4
Memory clock speedKnown for one	400 MHz	Unknown — not stated by the source
Memory busDiffers	72 bit	64 bit
Check width	8 bit	8 bit
Memory voltageDiffers	2.6 V	1.9 V
Lead plating	Gold	Gold
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 70 °C	0 - 55 °C

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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