Product comparison · 2 memory modules

HyperX Memory HyperX 1GB 400MHz DDR vs Kingston Technology ValueRAM 2x 512MB 400MHz DDR2

Key differences

Internal memory
- Memory HyperX 1GB 400MHz DDR:1 GB
- ValueRAM 2x 512MB 400MHz DDR2:0.5 GB
Internal memory type
- Memory HyperX 1GB 400MHz DDR:DDR
- ValueRAM 2x 512MB 400MHz DDR2:DDR2
Memory form factor
- Memory HyperX 1GB 400MHz DDR:184-Pin DIMM
- ValueRAM 2x 512MB 400MHz DDR2:240-pin DIMM
ECC
- Memory HyperX 1GB 400MHz DDR:No
- ValueRAM 2x 512MB 400MHz DDR2:Yes
CAS latency
- Memory HyperX 1GB 400MHz DDR:2
- ValueRAM 2x 512MB 400MHz DDR2:3
Memory bus
- Memory HyperX 1GB 400MHz DDR:64 bit
- ValueRAM 2x 512MB 400MHz DDR2:72 bit
Check width
- Memory HyperX 1GB 400MHz DDR:8 bit
- ValueRAM 2x 512MB 400MHz DDR2:4 bit

Differences highlightedShow differences only

Comparison of Memory HyperX 1GB 400MHz DDR, ValueRAM 2x 512MB 400MHz DDR2
16 specifications	A HyperX Memory HyperX 1GB 400MHz DDR View product	B Kingston Technology ValueRAM 2x 512MB 400MHz DDR2 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	No	Yes
CAS latencyDiffers	2	3
Memory clock speedKnown for one	400 MHz	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Check widthDiffers	8 bit	4 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 conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133 mm
DepthKnown for one	Unknown — not stated by the source	4 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.