Product comparison · 2 optical disc drives

LG GGCH20L optical disc drive Internal Black vs LG GH20LS DVD+/-RW

25specifications compared
15differ
10identical
22known for one product only

Key differences

Drive device, buffer size
- GGCH20L optical disc drive Internal Black:4 MB
- GH20LS DVD+/-RW:2 MB
CD write speed
- GGCH20L optical disc drive Internal Black:40x
- GH20LS DVD+/-RW:48x
CD rewrite speed
- GGCH20L optical disc drive Internal Black:24x
- GH20LS DVD+/-RW:32x
CD-RW write speed
- GGCH20L optical disc drive Internal Black:24x
- GH20LS DVD+/-RW:32x
DVD+R Double Layer write speed
- GGCH20L optical disc drive Internal Black:4x
- GH20LS DVD+/-RW:10x
DVD+R write speed
- GGCH20L optical disc drive Internal Black:16x
- GH20LS DVD+/-RW:20x
DVD-R Double Layer write speed
- GGCH20L optical disc drive Internal Black:4x
- GH20LS DVD+/-RW:10x
DVD-R write speed
- GGCH20L optical disc drive Internal Black:16x
- GH20LS DVD+/-RW:20x

Side by side

Differences highlightedShow differences only

Comparison of GGCH20L, GH20LS DVD+/-RW
47 specifications	A LG GGCH20L optical disc drive Internal Black Model GGCH20L View product	B LG GH20LS DVD+/-RW View product
Designidentical
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performance1 differ
Drive device, buffer sizeDiffers	4 MB	2 MB
Writing speed8 differ
CD write speedDiffers	40x	48x
CD rewrite speedDiffers	24x	32x
CD-R write speedKnown for one	40x	Unknown — not stated by the source
CD-RW write speedDiffers	24x	32x
DVD+R Double Layer write speedDiffers	4x	10x
DVD+R write speedDiffers	16x	20x
DVD-R Double Layer write speedDiffers	4x	10x
DVD-R write speedDiffers	16x	20x
DVD-RAM write speedDiffers	5x	12x
Reading speed1 differ
CD read speedDiffers	40x	48x
BD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD+R read speedKnown for one	16x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
DVD-RW read speedKnown for one	Unknown — not stated by the source	13x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
Access time2 differ
DVD drive average random access timeDiffers	160 ms	140 ms
BD-ROM average random access timeKnown for one	180 ms	Unknown — not stated by the source
CD-ROM drive average random access timeDiffers	150 ms	120 ms
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 conditions1 differ
Operating temperature (T-T)Differs	5 - 45 °C	4 - 45 °C
Weight & dimensions1 differ
WeightDiffers	870 g	780 g
Other features1 differ
Media types supportedKnown for one	BD-ROM SL, BD-ROM DL, BD-RE SL, BD-RE DL, BD-R SL, BD-R DL, HD DVD-ROM SL, HD DVD-ROM DL	Unknown — not stated by the source
Dimensions (WxDxH)Differs	146 x 41.3 x 185 mm	146 x 41.3 x 165 mm
Minimum RAMKnown for one	Unknown — not stated by the source	512 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium-4 1,4GHz
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows ME/2000/XP/Vista
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Nero Express/In CD/PowerDVD/PowerProducerGold/Light Scribe.

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