Product comparison · 2 memory modules

HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM vs HyperX 256MB DDR2 533MHz

Key differences

Internal memory
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:1 GB
- HyperX 256MB DDR2 533MHz:0.25 GB
Internal memory type
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:DDR
- HyperX 256MB DDR2 533MHz:DDR2
Memory form factor
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:184-Pin DIMM
- HyperX 256MB DDR2 533MHz:240-pin DIMM
CAS latency
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:2
- HyperX 256MB DDR2 533MHz:3
Memory clock speed
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:400 MHz
- HyperX 256MB DDR2 533MHz:533 MHz
Check width
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:8 bit
- HyperX 256MB DDR2 533MHz:16 bit
Operating temperature (T-T)
- 1GB 400MHz DDR Non-ECC CL2.5 DIMM:0 - 70 °C
- HyperX 256MB DDR2 533MHz:0 - 55 °C

Differences highlightedShow differences only

Comparison of 1GB 400MHz DDR Non-ECC CL2.5 DIMM, HyperX 256MB DDR2 533MHz
16 specifications	A HyperX 1GB 400MHz DDR Non-ECC CL2.5 DIMM View product	B HyperX HyperX 256MB DDR2 533MHz View product
Features6 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-Pin DIMM	240-pin DIMM
ECC	No	No
CAS latencyDiffers	2	3
Memory clock speedDiffers	400 MHz	533 MHz
Memory bus	64 bit	64 bit
Check widthDiffers	8 bit	16 bit
Memory voltageKnown for one	2.6 V	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Internal memory access speedKnown for one	5 ns	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 70 °C	0 - 55 °C
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133 mm
DepthKnown for one	Unknown — not stated by the source	2.7 mm
HeightKnown for one	Unknown — not stated by the source	30 mm
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No

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.