Product comparison · 2 optical disc drives

LG BP55EB40 optical disc drive Blu-Ray RW Black vs LG GP57EW40 optical disc drive DVD Super Multi White

31specifications compared
12differ
19identical
28known for one product only

Key differences

Product colour
- BP55EB40 optical disc drive Blu-Ray RW Black:Black
- GP57EW40 optical disc drive DVD Super Multi White:White
Optical drive type
- BP55EB40 optical disc drive Blu-Ray RW Black:Blu-Ray RW
- GP57EW40 optical disc drive DVD Super Multi White:DVD Super Multi
Drive device, buffer size
- BP55EB40 optical disc drive Blu-Ray RW Black:4 MB
- GP57EW40 optical disc drive DVD Super Multi White:1 MB
DVD-R Double Layer read speed
- BP55EB40 optical disc drive Blu-Ray RW Black:8x
- GP57EW40 optical disc drive DVD Super Multi White:6x
DVD drive average random access time
- BP55EB40 optical disc drive Blu-Ray RW Black:200 ms
- GP57EW40 optical disc drive DVD Super Multi White:160 ms
CD-ROM drive average random access time
- BP55EB40 optical disc drive Blu-Ray RW Black:200 ms
- GP57EW40 optical disc drive DVD Super Multi White:140 ms
DVD-RAM access time
- BP55EB40 optical disc drive Blu-Ray RW Black:230 ms
- GP57EW40 optical disc drive DVD Super Multi White:360 ms
Operating temperature (T-T)
- BP55EB40 optical disc drive Blu-Ray RW Black:5 - 40 °C
- GP57EW40 optical disc drive DVD Super Multi White:5 - 50 °C

Side by side

Differences highlightedShow differences only

Comparison of BP55EB40, GP57EW40
59 specifications	A LG BP55EB40 optical disc drive Blu-Ray RW Black Model BP55EB40 View product	B LG GP57EW40 optical disc drive DVD Super Multi White Model GP57EW40 View product
Design1 differ
Product colourDiffers	Black	White
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performance2 differ
Optical drive typeDiffers	Blu-Ray RW	DVD Super Multi
Drive device, buffer sizeDiffers	4 MB	1 MB
Disc types supportedKnown for one	Unknown — not stated by the source	CD-R, CD-ROM, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM, DVD-RW
Writing speedidentical
CD rewrite speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	24x	Unknown — not stated by the source
BD-R Dual Layer write speedKnown for one	6x	Unknown — not stated by the source
BD-R write speedKnown for one	8x	Unknown — not stated by the source
BD-RE Dual Layer write speedKnown for one	2x	Unknown — not stated by the source
BD-RE rewrite speedKnown for one	2x	Unknown — not stated by the source
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-R write speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
DVD+R write speedKnown for one	Unknown — not stated by the source	8x
Reading speed1 differ
BD-R Dual Layer read speedKnown for one	6x	Unknown — not stated by the source
BD-R read speedKnown for one	6x	Unknown — not stated by the source
BD-RE Dual Layer read speedKnown for one	6x	Unknown — not stated by the source
BD-RE read speedKnown for one	6x	Unknown — not stated by the source
BD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD-R Double Layer read speedDiffers	8x	6x
Access time3 differ
DVD drive average random access timeDiffers	200 ms	160 ms
BD-ROM average random access timeKnown for one	230 ms	Unknown — not stated by the source
CD-ROM drive average random access timeDiffers	200 ms	140 ms
DVD-RAM access timeDiffers	230 ms	360 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Layer Jump RecordingKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Sequential writingKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
System requirements1 differ
Windows operating systems supportedDiffers	Yes	Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows Vista Business, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Windows XP Home, Windows XP Professional
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 40 °C	5 - 50 °C
Weight & dimensions3 differ
DepthDiffers	156 mm	137.5 mm
HeightDiffers	14.6 mm	14 mm
WeightDiffers	270 g	200 g
Packaging contentidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(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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