Product comparison · 2 optical disc drives

HP 456798-001 optical disc drive Internal DVD Super Multi DL vs HP 647945-001 optical disc drive Internal

3specifications compared
1differ
2identical
14known for one product only

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Differences highlightedShow differences only

Comparison of 456798-001, 647945-001
17 specifications	A HP 456798-001 optical disc drive Internal DVD Super Multi DL Model 456798-001 View product	B HP 647945-001 optical disc drive Internal Model 647945-001 View product
Performance1 differ
PurposeKnown for one	Laptop	Unknown — not stated by the source
Optical drive typeKnown for one	DVD Super Multi DL	Unknown — not stated by the source
InterfaceKnown for one	EIDE/ATAPI	Unknown — not stated by the source
Compatible productsDiffers	Compaq 6520s, Compaq 6720s, Compaq 6820s	ProBook 4330s, ProBook 4331s, ProBook 4430s, ProBook 4431s
Writing speedidentical
CD write speedKnown for one	24x	Unknown — not stated by the source
CD rewrite speedKnown for one	16x	Unknown — not stated by the source
CD-RW write speedKnown for one	5x	Unknown — not stated by the source
DVD+R write speedKnown for one	8x	Unknown — not stated by the source
DVD+RW write speedKnown for one	4x	Unknown — not stated by the source
DVD-R write speedKnown for one	8x	Unknown — not stated by the source
DVD-RW write speedKnown for one	4x	Unknown — not stated by the source
Reading speedidentical
DVD-ROM read speedKnown for one	8x	Unknown — not stated by the source
DVD read speedKnown for one	Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	140 ms

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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