Product comparison · 2 memory modules

HyperX Memory HyperX 256MB 400MHz DDR vs Kingston Technology 1GB 133MHz Non-ECC CL3 DIMM

Key differences

Internal memory
- Memory HyperX 256MB 400MHz DDR:0.25 GB
- 1GB 133MHz Non-ECC CL3 DIMM:1 GB
Memory form factor
- Memory HyperX 256MB 400MHz DDR:184-Pin DIMM
- 1GB 133MHz Non-ECC CL3 DIMM:168-pin DIMM
CAS latency
- Memory HyperX 256MB 400MHz DDR:2
- 1GB 133MHz Non-ECC CL3 DIMM:3
Memory voltage
- Memory HyperX 256MB 400MHz DDR:2.6 V
- 1GB 133MHz Non-ECC CL3 DIMM:3.3 V
Internal memory access speed
- Memory HyperX 256MB 400MHz DDR:5 ns
- 1GB 133MHz Non-ECC CL3 DIMM:7.5 ns
Operating temperature (T-T)
- Memory HyperX 256MB 400MHz DDR:0 - 70 °C
- 1GB 133MHz Non-ECC CL3 DIMM:10 - 50 °C

Differences highlightedShow differences only

Comparison of Memory HyperX 256MB 400MHz DDR, 1GB 133MHz Non-ECC CL3 DIMM
13 specifications	A HyperX Memory HyperX 256MB 400MHz DDR View product	B Kingston Technology 1GB 133MHz Non-ECC CL3 DIMM View product
Features5 differ
Internal memoryDiffers	0.25 GB	1 GB
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Memory form factorDiffers	184-Pin DIMM	168-pin DIMM
CAS latencyDiffers	2	3
Memory clock speedKnown for one	400 MHz	Unknown — not stated by the source
Memory voltageDiffers	2.6 V	3.3 V
Internal memory access speedDiffers	5 ns	7.5 ns
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 70 °C	10 - 50 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%

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.