Product comparison · 2 optical disc drives

LG CH08LS optical disc drive Internal Black vs LG GT20N optical disc drive Internal Black

20specifications compared
9differ
11identical
23known for one product only

Key differences

Drive device, buffer size
- CH08LS optical disc drive Internal Black:4 MB
- GT20N optical disc drive Internal Black:1 MB
CD write speed
- CH08LS optical disc drive Internal Black:40x
- GT20N optical disc drive Internal Black:24x
DVD+R Double Layer write speed
- CH08LS optical disc drive Internal Black:4x
- GT20N optical disc drive Internal Black:6x
DVD+R write speed
- CH08LS optical disc drive Internal Black:16x
- GT20N optical disc drive Internal Black:8x
DVD-R Double Layer write speed
- CH08LS optical disc drive Internal Black:4x
- GT20N optical disc drive Internal Black:8x
CD read speed
- CH08LS optical disc drive Internal Black:40x
- GT20N optical disc drive Internal Black:24x
CD-ROM drive average random access time
- CH08LS optical disc drive Internal Black:150 ms
- GT20N optical disc drive Internal Black:140 ms
Weight
- CH08LS optical disc drive Internal Black:870 g
- GT20N optical disc drive Internal Black:170 g

Side by side

Differences highlightedShow differences only

Comparison of CH08LS, GT20N
43 specifications	A LG CH08LS optical disc drive Internal Black Model CH08LS View product	B LG GT20N optical disc drive Internal Black Model GT20N View product
Performance1 differ
LightScribeKnown for one	Yes	Unknown — not stated by the source
Drive device, buffer sizeDiffers	4 MB	1 MB
Writing speed4 differ
CD write speedDiffers	40x	24x
DVD+R Double Layer write speedDiffers	4x	6x
DVD+R write speedDiffers	16x	8x
DVD-R Double Layer write speedDiffers	4x	8x
DVD-R write speedKnown for one	16x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	40x	24x
CD-R read speedKnown for one	40x	Unknown — not stated by the source
CD-ROM read speedKnown for one	40x	Unknown — not stated by the source
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
BD-ROM read speedKnown for one	8x	Unknown — not stated by the source
DVD+R read speedKnown for one	12x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD-R read speedKnown for one	12x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	16x	Unknown — not stated by the source
DVD-RW read speedKnown for one	10x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD+RW read speedKnown for one	10x	Unknown — not stated by the source
Access time1 differ
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	140 ms
Record modesidentical
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
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	870 g	170 g
HeightKnown for one	Unknown — not stated by the source	12.7 mm
Other features1 differ
Dimensions (WxDxH)Differs	146 x 185 x 41.3 mm	128 x 127 x 12.7 mm
Compatible operating systemsKnown for one	Windows XP, Vista	Unknown — not stated by the source
Drive device, transfer rateKnown for one	Unknown — not stated by the source	3.6 MB/s

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