Product comparison · 2 memory modules

Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 vs Kingston Technology Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM

Key differences

Internal memory
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:1 GB
- Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM:0.25 GB
Memory form factor
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:184-Pin DIMM
- Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM:144-pin SO-DIMM
ECC
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:Yes
- Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM:No
CAS latency
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5
- Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM:2
Memory bus
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:72 bit
- Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM:64 bit
Check width
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:4 bit
- Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM:8 bit
Memory voltage
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5 V
- Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM:3.3 V

Differences highlightedShow differences only

Comparison of Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4, Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM
11 specifications	A Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 View product	B Kingston Technology Memory 256MB 100MHz Non-ECC CL2 Low Profile SODIMM View product
Features7 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Memory form factorDiffers	184-Pin DIMM	144-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	2.5	2
Memory busDiffers	72 bit	64 bit
Check widthDiffers	4 bit	8 bit
Memory voltageDiffers	2.5 V	3.3 V
Lead plating	Gold	Gold
Internal memory access speedKnown for one	Unknown — not stated by the source	10 ns
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	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.