Product comparison · 2 memory modules

HP 1GB PC100 ECC vs HP 512MB DDR-400

3specifications compared
2differ
1identical
6known for one product only

Key differences

The HP 1GB PC100 ECC has 0.5 GB more internal memory than the HP 512MB DDR-400 (1 GB vs 0.5 GB). The HP 512MB DDR-400 has 300 MHz more memory clock speed than the HP 1GB PC100 ECC (400 MHz vs 100 MHz).

Internal memory
- 1GB PC100 ECC:1 GB
- 512MB DDR-400:0.5 GB
Memory clock speed
- 1GB PC100 ECC:100 MHz
- 512MB DDR-400:400 MHz

Side by side

Differences highlightedShow differences only

Comparison of 1GB PC100 ECC, 512MB DDR-400
9 specifications	A HP 1GB PC100 ECC View product	B HP 512MB DDR-400 View product
Features2 differ
Internal memoryDiffers	1 GB	0.5 GB
Component for	PC/Server	PC/Server
ECCKnown for one	Yes	Unknown — not stated by the source
Memory clock speedDiffers	100 MHz	400 MHz
Buffered memory typeKnown for one	Registered (buffered)	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
Internal memory typeKnown for one	Unknown — not stated by the source	DDR
Memory form factorKnown for one	Unknown — not stated by the source	184-pin DIMM
Packaging dataidentical
Package typeKnown for one	DIMM	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.

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