Product comparison · 2 optical disc drives

Lenovo GP20N Portable vs Lenovo Slim DVD Burner II

Key differences

Internal
- GP20N Portable:No
- Slim DVD Burner II:Yes
Product colour
- GP20N Portable:White
- Slim DVD Burner II:Black
CD rewrite speed
- GP20N Portable:4x
- Slim DVD Burner II:16x
DVD+RW write speed
- GP20N Portable:8x
- Slim DVD Burner II:6x
DVD-RW write speed
- GP20N Portable:8x
- Slim DVD Burner II:6x
Weight
- GP20N Portable:370 g
- Slim DVD Burner II:140 g
Dimensions (WxDxH)
- GP20N Portable:153 x 163 x 24 mm
- Slim DVD Burner II:129 x 105 x 9.5 mm

Differences highlightedShow differences only

Comparison of GP20N Portable, Slim DVD Burner II
23 specifications	A Lenovo GP20N Portable View product	B Lenovo Slim DVD Burner II View product
Design2 differ
InternalDiffers	No	Yes
Product colourDiffers	White	Black
Disc loading type	Tray	Tray
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
Writing speed3 differ
CD write speed	24x	24x
CD rewrite speedDiffers	4x	16x
DVD+R write speed	8x	8x
DVD+RW write speedDiffers	8x	6x
DVD-R write speed	8x	8x
DVD-RW write speedDiffers	8x	6x
DVD+R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
Reading speedidentical
CD read speed	24x	24x
DVD read speed	8x	8x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	150 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	150 ms
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	5.08 in
DepthKnown for one	Unknown — not stated by the source	5.15 in
HeightKnown for one	Unknown — not stated by the source	0.37 in
WeightDiffers	370 g	140 g
Other features1 differ
Dimensions (WxDxH)Differs	153 x 163 x 24 mm	129 x 105 x 9.5 mm

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.