Product comparison · 2 optical disc drives

LG CH08 optical disc drive Internal vs LG GT20N optical disc drive Internal Black

13specifications compared
7differ
6identical
19known for one product only

Key differences

Drive device, buffer size
- CH08 optical disc drive Internal:4 MB
- GT20N optical disc drive Internal Black:1 MB
CD write speed
- CH08 optical disc drive Internal:48x
- GT20N optical disc drive Internal Black:24x
CD rewrite speed
- CH08 optical disc drive Internal:48x
- GT20N optical disc drive Internal Black:24x
DVD+R write speed
- CH08 optical disc drive Internal:10x
- GT20N optical disc drive Internal Black:8x
CD read speed
- CH08 optical disc drive Internal:48x
- GT20N optical disc drive Internal Black:24x
Dimensions (WxDxH)
- CH08 optical disc drive Internal:146 x 41.3 x 185 mm
- GT20N optical disc drive Internal Black:128 x 127 x 12.7 mm
Drive device, transfer rate
- CH08 optical disc drive Internal:22.16 MB/s
- GT20N optical disc drive Internal Black:3.6 MB/s

Side by side

Differences highlightedShow differences only

Comparison of CH08, GT20N
32 specifications	A LG CH08 optical disc drive Internal Model CH08 View product	B LG GT20N optical disc drive Internal Black Model GT20N View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Performance1 differ
Drive device, buffer sizeDiffers	4 MB	1 MB
LightScribeKnown for one	Yes	Unknown — not stated by the source
Writing speed3 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	48x	24x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD+R write speedDiffers	10x	8x
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-RW write speedKnown for one	Unknown — not stated by the source	6x
DVD-R write speedKnown for one	16x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	48x	24x
BD-ROM read speedKnown for one	8x	Unknown — not stated by the source
DVD+R read speedKnown for one	10x	Unknown — not stated by the source
DVD-R read speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
Record modesidentical
Multi sessionKnown for one	Unknown — not stated by the source	Yes
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
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	12.7 mm
WeightKnown for one	Unknown — not stated by the source	170 g
Other features2 differ
Dimensions (WxDxH)Differs	146 x 41.3 x 185 mm	128 x 127 x 12.7 mm
Drive device, transfer rateDiffers	22.16 MB/s	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.

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