Product comparison · 2 memory modules

Hypertec Compaq equivalent 256MB DIMM SDRAM (PC133 ECC) (Legacy) vs Kingston Technology 2GB DDR2-667 ECC

3specifications compared
2differ
1identical
18known for one product only

Key differences

Internal memory
- Compaq equivalent 256MB DIMM SDRAM (PC133 ECC) (Legacy):0.25 GB
- 2GB DDR2-667 ECC:2 GB
Memory voltage
- Compaq equivalent 256MB DIMM SDRAM (PC133 ECC) (Legacy):2.5 V
- 2GB DDR2-667 ECC:1.8 V

Side by side

Differences highlightedShow differences only

Comparison of Compaq equivalent 256MB DIMM SDRAM (PC133 ECC) (Legacy), 2GB DDR2-667 ECC
21 specifications	A Hypertec Compaq equivalent 256MB DIMM SDRAM (PC133 ECC) (Legacy)View product	B Kingston Technology 2GB DDR2-667 ECC View product
Features2 differ
Internal memoryDiffers	0.25 GB	2 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR2
Memory form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageDiffers	2.5 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Memory clock speedKnown for one	133 MHz	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	Unknown — not stated by the source	A0740237 (DELL); A0744012 (DELL); A0763261 (DELL); A0821568 (DELL); A0821569 (DELL); A0958408 (DELL); A1229332 (DELL); A1229333 (DELL); A1312842 (DELL); A1355833 (DELL); A1355839 (DELL)
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	2048 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 2048 MB
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
DepthKnown for one	31.8 mm	Unknown — not stated by the source
HeightKnown for one	1.27 mm	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.

More memory module comparisons

All memory module comparisons