Product comparison · 2 memory modules

Kingston Technology 512MB 667MHz DDR2 ECC CL5 DIMM vs Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4

Key differences

Internal memory
- 512MB 667MHz DDR2 ECC CL5 DIMM:0.5 GB
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:1 GB
Internal memory type
- 512MB 667MHz DDR2 ECC CL5 DIMM:DDR2
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:DDR
Memory form factor
- 512MB 667MHz DDR2 ECC CL5 DIMM:240-pin DIMM
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:184-Pin DIMM
CAS latency
- 512MB 667MHz DDR2 ECC CL5 DIMM:5
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5
Check width
- 512MB 667MHz DDR2 ECC CL5 DIMM:8 bit
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:4 bit
Memory voltage
- 512MB 667MHz DDR2 ECC CL5 DIMM:1.8 V
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5 V

Differences highlightedShow differences only

Comparison of 512MB 667MHz DDR2 ECC CL5 DIMM, Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4
10 specifications	A Kingston Technology 512MB 667MHz DDR2 ECC CL5 DIMM View product	B Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 View product
Features6 differ
Internal memoryDiffers	0.5 GB	1 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	5	2.5
Memory bus	72 bit	72 bit
Check widthDiffers	8 bit	4 bit
Memory voltageDiffers	1.8 V	2.5 V
Lead plating	Gold	Gold
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.