Product comparison · 2 optical disc drives

HP 647947-001 optical disc drive Internal vs HP 653021-001 optical disc drive Internal Blu-Ray DVD Combo Black

13specifications compared
5differ
8identical
17known for one product only

Key differences

DVD+R Double Layer write speed
- 647947-001 optical disc drive Internal:6x
- 653021-001 optical disc drive Internal Blu-Ray DVD Combo Black:4x
DVD-R Double Layer write speed
- 647947-001 optical disc drive Internal:6x
- 653021-001 optical disc drive Internal Blu-Ray DVD Combo Black:4x
DVD drive average random access time
- 647947-001 optical disc drive Internal:185 ms
- 653021-001 optical disc drive Internal Blu-Ray DVD Combo Black:180 ms
BD-ROM average random access time
- 647947-001 optical disc drive Internal:205 ms
- 653021-001 optical disc drive Internal Blu-Ray DVD Combo Black:230 ms
CD-ROM drive average random access time
- 647947-001 optical disc drive Internal:165 ms
- 653021-001 optical disc drive Internal Blu-Ray DVD Combo Black:190 ms

Side by side

Differences highlightedShow differences only

Comparison of 647947-001, 653021-001
30 specifications	A HP 647947-001 optical disc drive Internal Model 647947-001 View product	B HP 653021-001 optical disc drive Internal Blu-Ray DVD Combo Black Model 653021-001 View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Black
Performanceidentical
PurposeKnown for one	Unknown — not stated by the source	Laptop
Optical drive typeKnown for one	Unknown — not stated by the source	Blu-Ray DVD Combo
Interface	Serial ATA	Serial ATA
LightScribeKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	Unknown — not stated by the source	EliteBook 8560w
Disc types supportedKnown for one	BD-R, BD-RE, CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-RW	Unknown — not stated by the source
Writing speed2 differ
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	16x
DVD+R Double Layer write speedDiffers	6x	4x
DVD+R write speed	8x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	6x	4x
DVD-R write speed	8x	8x
DVD-RAM write speed	5x	5x
DVD-RW write speed	6x	6x
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	16x	Unknown — not stated by the source
BD-R write speedKnown for one	6x	Unknown — not stated by the source
BD-RE rewrite speedKnown for one	2x	Unknown — not stated by the source
Reading speedidentical
CD read speedKnown for one	Unknown — not stated by the source	24x
BD-ROM read speedKnown for one	Unknown — not stated by the source	6x
DVD-ROM read speed	8x	8x
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
BD-R read speedKnown for one	6x	Unknown — not stated by the source
BD-RE read speedKnown for one	2x	Unknown — not stated by the source
Access time3 differ
DVD drive average random access timeDiffers	185 ms	180 ms
BD-ROM average random access timeDiffers	205 ms	230 ms
CD-ROM drive average random access timeDiffers	165 ms	190 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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