Product comparison · 2 optical disc drives

Lenovo Slim DVD Burner II vs LG GT20N optical disc drive Internal Black

15specifications compared
8differ
7identical
13known for one product only

Key differences

Drive device, buffer size
- Slim DVD Burner II:2 MB
- GT20N optical disc drive Internal Black:1 MB
CD rewrite speed
- Slim DVD Burner II:16x
- GT20N optical disc drive Internal Black:24x
DVD+RW write speed
- Slim DVD Burner II:6x
- GT20N optical disc drive Internal Black:8x
DVD drive average random access time
- Slim DVD Burner II:150 ms
- GT20N optical disc drive Internal Black:160 ms
CD-ROM drive average random access time
- Slim DVD Burner II:150 ms
- GT20N optical disc drive Internal Black:140 ms
Height
- Slim DVD Burner II:0.37 in
- GT20N optical disc drive Internal Black:12.7 mm
Weight
- Slim DVD Burner II:140 g
- GT20N optical disc drive Internal Black:170 g
Dimensions (WxDxH)
- Slim DVD Burner II:129 x 105 x 9.5 mm
- GT20N optical disc drive Internal Black:128 x 127 x 12.7 mm

Side by side

Differences highlightedShow differences only

Comparison of Slim DVD Burner II, GT20N
28 specifications	A Lenovo Slim DVD Burner II View product	B LG GT20N optical disc drive Internal Black Model GT20N View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
Performance1 differ
Interface	Serial ATA	Serial ATA
Drive device, buffer sizeDiffers	2 MB	1 MB
Writing speed2 differ
CD write speed	24x	24x
CD rewrite speedDiffers	16x	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	6x	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
DVD-RW write speed	6x	6x
DVD-R write speedKnown for one	8x	Unknown — not stated by the source
Reading speedidentical
CD read speed	24x	24x
DVD read speedKnown for one	8x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	150 ms	160 ms
CD-ROM drive average random access timeDiffers	150 ms	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 & dimensions2 differ
HeightDiffers	0.37 in	12.7 mm
WeightDiffers	140 g	170 g
WidthKnown for one	5.08 in	Unknown — not stated by the source
DepthKnown for one	5.15 in	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	129 x 105 x 9.5 mm	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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