Product comparison · 2 memory modules

Lenovo Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM vs Lenovo Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM

Key differences

Internal memory
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:1 GB
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:0.25 GB
Memory form factor
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:240-pin DIMM
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:200-pin SO-DIMM
CAS latency
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:4
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:5
Memory clock speed
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:533 MHz
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:667 MHz
Width
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:134 mm
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:68 mm
Depth
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:30 mm
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:32 mm
Height
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:4 mm
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:3.8 mm
Number of pins
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:240
- Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM:200

Differences highlightedShow differences only

Comparison of Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM, Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM
13 specifications	A Lenovo Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM View product	B Lenovo Memory 256MB PC2-5300 CL5 Non-Parity DDR2 SDRAM SODIMM View product
Features4 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECC	Yes	Yes
CAS latencyDiffers	4	5
Memory clock speedDiffers	533 MHz	667 MHz
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	134 mm	68 mm
DepthDiffers	30 mm	32 mm
HeightDiffers	4 mm	3.8 mm
Other features1 differ
Number of pinsDiffers	240	200

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.