Product comparison · 2 memory modules

Kingston Technology 512MB 400MHz DDR2 Non-ECC CL3 DIMM vs Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4

9specifications compared
8differ
1identical
1known for one product only

Key differences

The Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 has 0.5 GB more internal memory than the Kingston Technology 512MB 400MHz DDR2 Non-ECC CL3 DIMM (1 GB vs 0.5 GB). The Kingston Technology 512MB 400MHz DDR2 Non-ECC CL3 DIMM has 0.5 more CAS latency than the Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 (3 vs 2.5). The Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 has 8 bit more memory bus than the Kingston Technology 512MB 400MHz DDR2 Non-ECC CL3 DIMM (72 bit vs 64 bit). Only the Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 has ECC. Internal memory type: DDR2 on the Kingston Technology 512MB 400MHz DDR2 Non-ECC CL3 DIMM, DDR on the Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4.

Internal memory
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:0.5 GB
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:1 GB
Internal memory type
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:DDR2
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:DDR
Memory form factor
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:240-pin DIMM
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:184-Pin DIMM
ECC
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:No
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:Yes
CAS latency
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:3
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5
Memory bus
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:64 bit
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:72 bit
Check width
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:8 bit
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:4 bit
Memory voltage
- 512MB 400MHz DDR2 Non-ECC CL3 DIMM:1.8 V
- Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4:2.5 V

Side by side

Differences highlightedShow differences only

Comparison of 512MB 400MHz DDR2 Non-ECC CL3 DIMM, Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4
10 specifications	A Kingston Technology 512MB 400MHz DDR2 Non-ECC CL3 DIMM View product	B Kingston Technology Memory 1GB 333MHz DDR ECC CL2.5 DUAL x4 View product
Features8 differ
Internal memoryDiffers	0.5 GB	1 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-Pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	3	2.5
Memory busDiffers	64 bit	72 bit
Check widthDiffers	8 bit	4 bit
Memory voltageDiffers	1.8 V	2.5 V
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.

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