Product comparison · 2 memory modules

Kingston Technology 256MB 266MHz DDR Non-ECC CL2.5 DIMM vs Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM

8specifications compared
5differ
3identical
6known 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 266MHz DDR Non-ECC CL2.5 DIMM (0.5 GB vs 0.25 GB). The Kingston Technology 256MB 266MHz 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 266MHz DDR Non-ECC CL2.5 DIMM (3 vs 2.5). Internal memory type: DDR on the Kingston Technology 256MB 266MHz DDR Non-ECC CL2.5 DIMM, SDR SDRAM on the Kingston Technology 512MB 133MHz Non-ECC CL3 DIMM.

Internal memory
- 256MB 266MHz DDR Non-ECC CL2.5 DIMM:0.25 GB
- 512MB 133MHz Non-ECC CL3 DIMM:0.5 GB
Internal memory type
- 256MB 266MHz DDR Non-ECC CL2.5 DIMM:DDR
- 512MB 133MHz Non-ECC CL3 DIMM:SDR SDRAM
Memory form factor
- 256MB 266MHz DDR Non-ECC CL2.5 DIMM:184-pin DIMM
- 512MB 133MHz Non-ECC CL3 DIMM:168-pin DIMM
CAS latency
- 256MB 266MHz DDR Non-ECC CL2.5 DIMM:2.5
- 512MB 133MHz Non-ECC CL3 DIMM:3
Memory voltage
- 256MB 266MHz 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 266MHz DDR Non-ECC CL2.5 DIMM, 512MB 133MHz Non-ECC CL3 DIMM
14 specifications	A Kingston Technology 256MB 266MHz 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
CAS latencyDiffers	2.5	3
Memory voltageDiffers	2.5 V	3.3 V
Row cycle timeKnown for one	65 ns	Unknown — not stated by the source
Refresh row cycle timeKnown for one	75 ns	Unknown — not stated by the source
Row active timeKnown for one	45 ns	Unknown — not stated by the source
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
Internal memory access speedKnown for one	Unknown — not stated by the source	7.5 ns

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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