Product comparison · 2 optical disc drives

Lenovo Slim Blu-ray Burner II vs LG GT20N optical disc drive Internal Black

10specifications compared
5differ
5identical
19known for one product only

Key differences

Drive device, buffer size
- Slim Blu-ray Burner II:8 MB
- GT20N optical disc drive Internal Black:1 MB
CD write speed
- Slim Blu-ray Burner II:16x
- GT20N optical disc drive Internal Black:24x
CD rewrite speed
- Slim Blu-ray Burner II:10x
- GT20N optical disc drive Internal Black:24x
DVD+RW write speed
- Slim Blu-ray Burner II:4x
- GT20N optical disc drive Internal Black:8x
DVD-RW write speed
- Slim Blu-ray Burner II:4x
- GT20N optical disc drive Internal Black:6x

Side by side

Differences highlightedShow differences only

Comparison of Slim Blu-ray Burner II, GT20N
29 specifications	A Lenovo Slim Blu-ray Burner II View product	B LG GT20N optical disc drive Internal Black Model GT20N View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Black
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
Performance1 differ
Interface	Serial ATA	Serial ATA
Drive device, buffer sizeDiffers	8 MB	1 MB
Writing speed4 differ
CD write speedDiffers	16x	24x
CD rewrite speedDiffers	10x	24x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD+R write speed	8x	8x
DVD+RW write speedDiffers	4x	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM write speed	5x	5x
DVD-RW write speedDiffers	4x	6x
BD-R write 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 write speedKnown for one	8x	Unknown — not stated by the source
Reading speedidentical
CD read speed	24x	24x
BD-ROM read speedKnown for one	8x	Unknown — not stated by the source
DVD read speedKnown for one	24x	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
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
Other featuresidentical
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

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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