Product comparison · 2 optical disc drives

Lenovo 57Y6487 optical disc drive vs LG GT40N optical disc drive Internal DVD±R/RW

7specifications compared
4differ
3identical
25known for one product only

Key differences

Internal
- 57Y6487 optical disc drive:No
- GT40N optical disc drive Internal DVD±R/RW:Yes
CD rewrite speed
- 57Y6487 optical disc drive:4x
- GT40N optical disc drive Internal DVD±R/RW:24x
Weight
- 57Y6487 optical disc drive:320 g
- GT40N optical disc drive Internal DVD±R/RW:162 g
Dimensions (WxDxH)
- 57Y6487 optical disc drive:134 x 140 x 18 mm
- GT40N optical disc drive Internal DVD±R/RW:128 x 127 x 12.7 mm

Side by side

Differences highlightedShow differences only

Comparison of 57Y6487, GT40N
32 specifications	A Lenovo 57Y6487 optical disc drive Model 57Y6487 View product	B LG GT40N optical disc drive Internal DVD±R/RW Model GT40N View product
Design1 differ
InternalDiffers	No	Yes
Performanceidentical
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±R/RW
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed1 differ
CD rewrite speedDiffers	4x	24x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD+R write speedKnown for one	Unknown — not stated by the source	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	6x
DVD-R 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 speedKnown for one	Unknown — not stated by the source	6x
Reading speedidentical
CD-R read speedKnown for one	Unknown — not stated by the source	24x
CD-ROM read speedKnown for one	Unknown — not stated by the source	24x
CD-RW read speedKnown for one	Unknown — not stated by the source	24x
DVD+R read speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
DVD-RW read speedKnown for one	Unknown — not stated by the source	8x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
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
Access timeKnown for one	140 ms	Unknown — not stated by the source
Weight & dimensions1 differ
HeightKnown for one	Unknown — not stated by the source	12.7 mm
WeightDiffers	320 g	162 g
Other features1 differ
Dimensions (WxDxH)Differs	134 x 140 x 18 mm	128 x 127 x 12.7 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7, Windows VistaTM, Windows XP

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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