Product comparison · 2 optical disc drives

LG GE20LU optical disc drive Black vs LG GH22NP20, Black

30specifications compared
10differ
20identical
18known for one product only

Key differences

Internal
- GE20LU optical disc drive Black:No
- GH22NP20, Black:Yes
DVD+R Double Layer write speed
- GE20LU optical disc drive Black:12x
- GH22NP20, Black:16x
DVD+R write speed
- GE20LU optical disc drive Black:20x
- GH22NP20, Black:22x
DVD-R write speed
- GE20LU optical disc drive Black:20x
- GH22NP20, Black:22x
DVD-RW read speed
- GE20LU optical disc drive Black:13x
- GH22NP20, Black:12x
DVD+RW read speed
- GE20LU optical disc drive Black:13x
- GH22NP20, Black:12x
DVD drive average random access time
- GE20LU optical disc drive Black:270 ms
- GH22NP20, Black:140 ms
CD-ROM drive average random access time
- GE20LU optical disc drive Black:125 ms
- GH22NP20, Black:120 ms

Side by side

Differences highlightedShow differences only

Comparison of GE20LU, GH22NP20, Black
48 specifications	A LG GE20LU optical disc drive Black Model GE20LU View product	B LG GH22NP20, Black View product
Design1 differ
InternalDiffers	No	Yes
MountingKnown for one	Unknown — not stated by the source	Vertical/Horizontal
Performanceidentical
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
InterfaceKnown for one	Unknown — not stated by the source	EIDE/ATA
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
Writing speed3 differ
DVD+R Double Layer write speedDiffers	12x	16x
DVD+R write speedDiffers	20x	22x
DVD-R write speedDiffers	20x	22x
Reading speed2 differ
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
DVD-RW read speedDiffers	13x	12x
DVD+RW read speedDiffers	13x	12x
Access time2 differ
DVD drive average random access timeDiffers	270 ms	140 ms
CD-ROM drive average random access timeDiffers	125 ms	120 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
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	15 - 85%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 45 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.5 kg	800 g
Other features1 differ
Power requirementsKnown for one	+12V / +5V DC	Unknown — not stated by the source
Dimensions (WxDxH)Differs	160 x 50 x 230 mm	146 x 165 x 41.3 mm
Compatible operating systemsKnown for one	Windows 2000 Professional, XP Home, Professional, Media Center, Vista (x86, x64) MAC OS	Unknown — not stated by the source

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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