Product comparison · 2 memory modules

HyperX 1024MB DDR2 675MHz vs HyperX Memory HyperX 2GB 400MHz DDR 2pk

Key differences

Internal memory type
- HyperX 1024MB DDR2 675MHz:DDR2
- Memory HyperX 2GB 400MHz DDR 2pk:DDR
Memory form factor
- HyperX 1024MB DDR2 675MHz:240-pin DIMM
- Memory HyperX 2GB 400MHz DDR 2pk:184-Pin DIMM
ECC
- HyperX 1024MB DDR2 675MHz:No
- Memory HyperX 2GB 400MHz DDR 2pk:Yes
CAS latency
- HyperX 1024MB DDR2 675MHz:4
- Memory HyperX 2GB 400MHz DDR 2pk:2.5
Memory bus
- HyperX 1024MB DDR2 675MHz:64 bit
- Memory HyperX 2GB 400MHz DDR 2pk:72 bit
Operating temperature (T-T)
- HyperX 1024MB DDR2 675MHz:0 - 55 °C
- Memory HyperX 2GB 400MHz DDR 2pk:0 - 70 °C

Differences highlightedShow differences only

Comparison of HyperX 1024MB DDR2 675MHz, Memory HyperX 2GB 400MHz DDR 2pk
15 specifications	A HyperX HyperX 1024MB DDR2 675MHz View product	B HyperX Memory HyperX 2GB 400MHz DDR 2pk View product
Features5 differ
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	2.5
Memory busDiffers	64 bit	72 bit
Memory clock speedKnown for one	Unknown — not stated by the source	400 MHz
Memory voltageKnown for one	Unknown — not stated by the source	2.6 V
Lead platingKnown for one	Unknown — not stated by the source	Gold
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 70 °C
Weight & dimensionsidentical
WidthKnown for one	133 mm	Unknown — not stated by the source
DepthKnown for one	4 mm	Unknown — not stated by the source
HeightKnown for one	30 mm	Unknown — not stated by the source
Other featuresidentical
Mac compatibilityKnown for one	No	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.