Product comparison · 2 optical disc drives

HP 647945-001 optical disc drive Internal vs LG GH22LS70 optical disc drive Internal DVD±RW

4specifications compared
3differ
1identical
39known for one product only

Key differences

CD read speed
- 647945-001 optical disc drive Internal:24x
- GH22LS70 optical disc drive Internal DVD±RW:48x
DVD drive average random access time
- 647945-001 optical disc drive Internal:160 ms
- GH22LS70 optical disc drive Internal DVD±RW:220 ms
CD-ROM drive average random access time
- 647945-001 optical disc drive Internal:140 ms
- GH22LS70 optical disc drive Internal DVD±RW:125 ms

Side by side

Differences highlightedShow differences only

Comparison of 647945-001, GH22LS70
43 specifications	A HP 647945-001 optical disc drive Internal Model 647945-001 View product	B LG GH22LS70 optical disc drive Internal DVD±RW Model GH22LS70 View product
Designidentical
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performanceidentical
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Disc types supportedKnown for one	Unknown — not stated by the source	CD, CD-R, CD-RW, DVD, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM, DVD-RW
InterfaceKnown for one	Unknown — not stated by the source	EIDE/ATAPI
LightScribeKnown for one	Unknown — not stated by the source	Yes
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
Optical disc diameterKnown for one	Unknown — not stated by the source	120 mm
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	22.16 MB/s
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Compatible productsKnown for one	ProBook 4330s, ProBook 4331s, ProBook 4430s, ProBook 4431s	Unknown — not stated by the source
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	32x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	8x
DVD+R write speedKnown for one	Unknown — not stated by the source	22x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	8x
DVD-R write speedKnown for one	Unknown — not stated by the source	22x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed1 differ
CD read speedDiffers	24x	48x
CD-R read speedKnown for one	Unknown — not stated by the source	48x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	40x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD-R read speedKnown for one	Unknown — not stated by the source	16x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	12x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	12x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD+RW read speedKnown for one	Unknown — not stated by the source	12x
DVD read speedKnown for one	8x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	160 ms	220 ms
CD-ROM drive average random access timeDiffers	140 ms	125 ms
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	800 g
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Minimum system requirementsKnown for one	Unknown — not stated by the source	Windows Vista, Windows XP, Windows 7
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	146 x 165 x 41.3 mm
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs
Size (imperial)Known for one	Unknown — not stated by the source	13.3 cm (5.25")

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 optical disc drive comparisons

All optical disc drive comparisons