Product comparison · 2 optical disc drives

LG GH20NS15 optical disc drive Internal Black vs LG GH22NP20 optical disc drive Internal Black

15specifications compared
7differ
8identical
31known for one product only

Key differences

CD rewrite speed
- GH20NS15 optical disc drive Internal Black:32x
- GH22NP20 optical disc drive Internal Black:48x
DVD+R Double Layer write speed
- GH20NS15 optical disc drive Internal Black:10x
- GH22NP20 optical disc drive Internal Black:16x
DVD+R write speed
- GH20NS15 optical disc drive Internal Black:20x
- GH22NP20 optical disc drive Internal Black:22x
DVD-R Double Layer write speed
- GH20NS15 optical disc drive Internal Black:10x
- GH22NP20 optical disc drive Internal Black:12x
DVD-R write speed
- GH20NS15 optical disc drive Internal Black:20x
- GH22NP20 optical disc drive Internal Black:22x
Weight
- GH20NS15 optical disc drive Internal Black:780 g
- GH22NP20 optical disc drive Internal Black:800 g
Dimensions (WxDxH)
- GH20NS15 optical disc drive Internal Black:146 x 41.3 x 165 mm
- GH22NP20 optical disc drive Internal Black:146 x 165 x 41.3 mm

Side by side

Differences highlightedShow differences only

Comparison of GH20NS15, GH22NP20
46 specifications	A LG GH20NS15 optical disc drive Internal Black Model GH20NS15 View product	B LG GH22NP20 optical disc drive Internal Black Model GH22NP20 View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed5 differ
CD write speed	48x	48x
CD rewrite speedDiffers	32x	48x
DVD+R Double Layer write speedDiffers	10x	16x
DVD+R write speedDiffers	20x	22x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	10x	12x
DVD-R write speedDiffers	20x	22x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
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	48x
Reading speedidentical
CD read speed	48x	48x
DVD read speedKnown for one	16x	Unknown — not stated by the source
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	48x
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
Access timeidentical
DVD drive average random access timeKnown for one	175 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	120 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Layer Jump RecordingKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Sequential writingKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	15 - 85%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 45 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	780 g	800 g
Other features1 differ
Dimensions (WxDxH)Differs	146 x 41.3 x 165 mm	146 x 165 x 41.3 mm
Buffer sizeKnown for one	Unknown — not stated by the source	2000 KB
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows/Vista/XP/2000/ME

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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