Product comparison · 2 memory modules

Kingston Technology 256MB 400MHz DDR Non-ECC CL2.5 DIMM vs Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM

7specifications compared
5differ
2identical
9known for one product only

Key differences

The Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM has 0.25 GB more internal memory than the Kingston Technology 256MB 400MHz DDR Non-ECC CL2.5 DIMM (0.5 GB vs 0.25 GB). The Kingston Technology 256MB 400MHz DDR Non-ECC CL2.5 DIMM has 16 -pin DIMM more memory form factor than the Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM (184-pin DIMM vs 168-pin DIMM). The Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM has 0.5 more CAS latency than the Kingston Technology 256MB 400MHz DDR Non-ECC CL2.5 DIMM (3 vs 2.5). Internal memory type: DDR on the Kingston Technology 256MB 400MHz DDR Non-ECC CL2.5 DIMM, SDR SDRAM on the Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM.

Internal memory
- 256MB 400MHz DDR Non-ECC CL2.5 DIMM:0.25 GB
- 512MB 133MHz Non-ECC CL3 DIMM:0.5 GB
Internal memory type
- 256MB 400MHz DDR Non-ECC CL2.5 DIMM:DDR
- 512MB 133MHz Non-ECC CL3 DIMM:SDR SDRAM
Memory form factor
- 256MB 400MHz DDR Non-ECC CL2.5 DIMM:184-pin DIMM
- 512MB 133MHz Non-ECC CL3 DIMM:168-pin DIMM
CAS latency
- 256MB 400MHz DDR Non-ECC CL2.5 DIMM:2.5
- 512MB 133MHz Non-ECC CL3 DIMM:3
Memory voltage
- 256MB 400MHz DDR Non-ECC CL2.5 DIMM:2.5 V
- 512MB 133MHz Non-ECC CL3 DIMM:3.3 V

Side by side

Differences highlightedShow differences only

Comparison of 256MB 400MHz DDR Non-ECC CL2.5 DIMM, 512MB 133MHz Non-ECC CL3 DIMM
16 specifications	A Kingston Technology 256MB 400MHz DDR Non-ECC CL2.5 DIMM View product	B Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM View product
Features5 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Internal memory typeDiffers	DDR	SDR SDRAM
Memory form factorDiffers	184-pin DIMM	168-pin DIMM
ECC	No	No
CAS latencyDiffers	2.5	3
Memory bus	64 bit	64 bit
Check widthKnown for one	8 bit	Unknown — not stated by the source
Memory voltageDiffers	2.5 V	3.3 V
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 0.5 GB
Component forKnown for one	Unknown — not stated by the source	PC/Server
Lead platingKnown for one	Unknown — not stated by the source	Gold
Internal memory access speedKnown for one	Unknown — not stated by the source	7.5 ns
Weight & dimensionsidentical
WidthKnown for one	133 mm	Unknown — not stated by the source
DepthKnown for one	1.2 mm	Unknown — not stated by the source
HeightKnown for one	32 mm	Unknown — not stated by the source
Other featuresidentical
Mac compatibilityKnown for one	No	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.

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