Product comparison · 2 memory modules

Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM vs Kingston Technology 1GB 533MHz DDR2 Non-ECC CL4 SODIMM

Key differences

Internal memory type
- 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:DDR
- 1GB 533MHz DDR2 Non-ECC CL4 SODIMM:DDR2
CAS latency
- 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:3
- 1GB 533MHz DDR2 Non-ECC CL4 SODIMM:4
Memory voltage
- 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:2.6 V
- 1GB 533MHz DDR2 Non-ECC CL4 SODIMM:1.8 V
Memory type
- 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM:DDR
- 1GB 533MHz DDR2 Non-ECC CL4 SODIMM:DDR2

Differences highlightedShow differences only

Comparison of 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM, 1GB 533MHz DDR2 Non-ECC CL4 SODIMM
20 specifications	A Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) SODIMM View product	B Kingston Technology 1GB 533MHz DDR2 Non-ECC CL4 SODIMM View product
Features4 differ
Internal memory	1 GB	1 GB
Memory layout (modules x size)	1 x 1 GB	1 x 1 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factor	200-pin SO-DIMM	200-pin SO-DIMM
ECC	No	No
CAS latencyDiffers	3	4
Memory bus	64 bit	64 bit
Check width	8 bit	8 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltageDiffers	2.6 V	1.8 V
Memory typeDiffers	DDR	DDR2
Lead plating	Gold	Gold
Module configurationKnown for one	Unknown — not stated by the source	128M X 64
Internal memory access speedKnown for one	Unknown — not stated by the source	3.75 ns
Weight & dimensionsidentical
WidthKnown for one	67 mm	Unknown — not stated by the source
DepthKnown for one	3 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
Bus clock rateKnown for one	Unknown — not stated by the source	533 MHz
Form factorKnown for one	Unknown — not stated by the source	200-pin SODIMM

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.