Product comparison · 2 optical disc drives

LG BH08 optical disc drive Internal vs LG GT20N optical disc drive Internal Black

14specifications compared
7differ
7identical
29known for one product only

Key differences

Drive device, buffer size
- BH08 optical disc drive Internal:4 MB
- GT20N optical disc drive Internal Black:1 MB
CD write speed
- BH08 optical disc drive Internal:48x
- GT20N optical disc drive Internal Black:24x
DVD+R Double Layer write speed
- BH08 optical disc drive Internal:4x
- GT20N optical disc drive Internal Black:6x
DVD+R write speed
- BH08 optical disc drive Internal:16x
- GT20N optical disc drive Internal Black:8x
DVD-R Double Layer write speed
- BH08 optical disc drive Internal:4x
- GT20N optical disc drive Internal Black:8x
CD read speed
- BH08 optical disc drive Internal:48x
- GT20N optical disc drive Internal Black:24x
CD-ROM drive average random access time
- BH08 optical disc drive Internal:150 ms
- GT20N optical disc drive Internal Black:140 ms

Side by side

Differences highlightedShow differences only

Comparison of BH08, GT20N
43 specifications	A LG BH08 optical disc drive Internal Model BH08 View product	B LG GT20N optical disc drive Internal Black Model GT20N View product
Designidentical
Internal	Yes	Yes
Disc loading typeKnown for one	Slot	Unknown — not stated by the source
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
Performance1 differ
Interface	Serial ATA	Serial ATA
LightScribeKnown for one	Yes	Unknown — not stated by the source
Drive device, buffer sizeDiffers	4 MB	1 MB
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Writing speed4 differ
CD write speedDiffers	48x	24x
CD rewrite speed	24x	24x
BD-R write speedKnown for one	8x	Unknown — not stated by the source
BD-RE rewrite speedKnown for one	2x	Unknown — not stated by the source
BD-RE write speedKnown for one	2x	Unknown — not stated by the source
DVD+R Double Layer write speedDiffers	4x	6x
DVD+R write speedDiffers	16x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	4x	8x
DVD-R write speedKnown for one	16x	Unknown — not stated by the source
DVD-RAM write speed	5x	5x
DVD-RW write speed	6x	6x
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	16x	Unknown — not stated by the source
DVD-R read speedKnown for one	16x	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+RW read speedKnown for one	10x	Unknown — not stated by the source
Access time1 differ
DVD drive average random access time	160 ms	160 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	140 ms
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	15 - 80%	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
Other featuresidentical
Media types supportedKnown for one	BD-ROM, BD-RE, BD-R, DVD-ROM, DVD±R, DVD±RW, DVD-RAM, CD-ROM, CD-ROM XA, CD-I, Photo-CD, Video CD, CD-Extra, CD-Text, CD-R, CD-RW	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	128 x 127 x 12.7 mm
Drive device, transfer rateKnown for one	Unknown — not stated by the source	3.6 MB/s
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Session-at-once (SAO)Known for one	Unknown — not stated by the source	Yes
Track-at-once (TAO)Known for one	Unknown — not stated by the source	Yes
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

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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