Product comparison · 2 memory modules

HyperX 1024MB DDR2 675MHz vs HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM

Key differences

Internal memory type
- HyperX 1024MB DDR2 675MHz:DDR2
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:DDR
Memory form factor
- HyperX 1024MB DDR2 675MHz:240-pin DIMM
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:184-Pin DIMM
CAS latency
- HyperX 1024MB DDR2 675MHz:4
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:2
Operating temperature (T-T)
- HyperX 1024MB DDR2 675MHz:0 - 55 °C
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:0 - 70 °C

Differences highlightedShow differences only

Comparison of HyperX 1024MB DDR2 675MHz, 1GB 400MHz DDR Non-ECC CL2.5 DIMM
16 specifications	A HyperX HyperX 1024MB DDR2 675MHz View product	B HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM View product
Features3 differ
Internal memory	1 GB	1 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECC	No	No
CAS latencyDiffers	4	2
Memory bus	64 bit	64 bit
Check width	8 bit	8 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
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
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.