Product comparison · 2 memory modules

Kingston Technology Memory 256MB 133MHz Reg PC133 SDRAM DIMM vs Kingston Technology Memory 512MB 184PIN DIMM DDR

Key differences

Internal memory
- Memory 256MB 133MHz Reg PC133 SDRAM DIMM:0.25 GB
- Memory 512MB 184PIN DIMM DDR:0.5 GB
Memory form factor
- Memory 256MB 133MHz Reg PC133 SDRAM DIMM:168-Pin DIMM
- Memory 512MB 184PIN DIMM DDR:184-Pin DIMM
ECC
- Memory 256MB 133MHz Reg PC133 SDRAM DIMM:Yes
- Memory 512MB 184PIN DIMM DDR:No
CAS latency
- Memory 256MB 133MHz Reg PC133 SDRAM DIMM:3
- Memory 512MB 184PIN DIMM DDR:2.5
Memory bus
- Memory 256MB 133MHz Reg PC133 SDRAM DIMM:72 bit
- Memory 512MB 184PIN DIMM DDR:64 bit
Memory voltage
- Memory 256MB 133MHz Reg PC133 SDRAM DIMM:3.3 V
- Memory 512MB 184PIN DIMM DDR:2.5 V

Differences highlightedShow differences only

Comparison of Memory 256MB 133MHz Reg PC133 SDRAM DIMM, Memory 512MB 184PIN DIMM DDR
11 specifications	A Kingston Technology Memory 256MB 133MHz Reg PC133 SDRAM DIMM View product	B Kingston Technology Memory 512MB 184PIN DIMM DDR View product
Features6 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR
Memory form factorDiffers	168-Pin DIMM	184-Pin DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	3	2.5
Memory busDiffers	72 bit	64 bit
Memory voltageDiffers	3.3 V	2.5 V
Internal memory access speedKnown for one	7.5 ns	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C

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.