Product comparison · 2 memory modules

Kingston Technology 256MB 333MHz DDR Non-ECC CL2.5 SODIMM vs Lenovo 512MB NP SDRAM DIMM UPG

Key differences

Internal memory
- 256MB 333MHz DDR Non-ECC CL2.5 SODIMM:0.25 GB
- 512MB NP SDRAM DIMM UPG:0.5 GB
Memory form factor
- 256MB 333MHz DDR Non-ECC CL2.5 SODIMM:200-pin SO-DIMM
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
ECC
- 256MB 333MHz DDR Non-ECC CL2.5 SODIMM:No
- 512MB NP SDRAM DIMM UPG:Yes
CAS latency
- 256MB 333MHz DDR Non-ECC CL2.5 SODIMM:2.5
- 512MB NP SDRAM DIMM UPG:3
Width
- 256MB 333MHz DDR Non-ECC CL2.5 SODIMM:67 mm
- 512MB NP SDRAM DIMM UPG:133.4 mm
Depth
- 256MB 333MHz DDR Non-ECC CL2.5 SODIMM:3 mm
- 512MB NP SDRAM DIMM UPG:35.7 mm
Height
- 256MB 333MHz DDR Non-ECC CL2.5 SODIMM:32 mm
- 512MB NP SDRAM DIMM UPG:3.8 mm

Differences highlightedShow differences only

Comparison of 256MB 333MHz DDR Non-ECC CL2.5 SODIMM, 512MB NP SDRAM DIMM UPG
21 specifications	A Kingston Technology 256MB 333MHz DDR Non-ECC CL2.5 SODIMM View product	B Lenovo 512MB NP SDRAM DIMM UPG View product
Features4 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Memory layout (modules x size)Known for one	1 x 0.25 GB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Memory form factorDiffers	200-pin SO-DIMM	168-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	2.5	3
Memory busKnown for one	64 bit	Unknown — not stated by the source
Check widthKnown for one	16 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory voltageKnown for one	2.5 V	Unknown — not stated by the source
Memory typeKnown for one	DDR	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Lead platingKnown for one	Unknown — not stated by the source	Gold
Weight & dimensions3 differ
WidthDiffers	67 mm	133.4 mm
DepthDiffers	3 mm	35.7 mm
HeightDiffers	32 mm	3.8 mm
WeightKnown for one	Unknown — not stated by the source	45 g
Other featuresidentical
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Special featuresKnown for one	Unknown — not stated by the source	Authenticity Seal, Tamper evident carton seal
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%

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.