Product comparison · 2 optical disc drives

LG GE20NU10 - DVD Dual Layer vs LG GH22NP20 Super Multi

31specifications compared
10differ
21identical
17known for one product only

Key differences

Internal
- GE20NU10 - DVD Dual Layer:No
- GH22NP20 Super Multi:Yes
DVD+R Double Layer write speed
- GE20NU10 - DVD Dual Layer:12x
- GH22NP20 Super Multi:16x
DVD+R write speed
- GE20NU10 - DVD Dual Layer:20x
- GH22NP20 Super Multi:22x
DVD-R write speed
- GE20NU10 - DVD Dual Layer:20x
- GH22NP20 Super Multi:22x
DVD-ROM read speed
- GE20NU10 - DVD Dual Layer:12x
- GH22NP20 Super Multi:16x
DVD drive average random access time
- GE20NU10 - DVD Dual Layer:145 ms
- GH22NP20 Super Multi:175 ms
CD-ROM drive average random access time
- GE20NU10 - DVD Dual Layer:125 ms
- GH22NP20 Super Multi:120 ms
Weight
- GE20NU10 - DVD Dual Layer:1.5 kg
- GH22NP20 Super Multi:780 g

Side by side

Differences highlightedShow differences only

Comparison of GE20NU10 - DVD Dual Layer, GH22NP20 Super Multi
48 specifications	A LG GE20NU10 - DVD Dual Layer View product	B LG GH22NP20 Super Multi View product
Design1 differ
InternalDiffers	No	Yes
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	IDE/ATA
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed3 differ
DVD+R Double Layer write speedDiffers	12x	16x
DVD+R write speedDiffers	20x	22x
DVD-R write speedDiffers	20x	22x
Reading speed1 differ
DVD-ROM read speedDiffers	12x	16x
Access time2 differ
DVD drive average random access timeDiffers	145 ms	175 ms
CD-ROM drive average random access timeDiffers	125 ms	120 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Layer Jump RecordingKnown for one	Unknown — not stated by the source	Yes
Packet writingKnown for one	Unknown — not stated by the source	Yes
Random writeKnown for one	Unknown — not stated by the source	Yes
Sequential writingKnown 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 & dimensions1 differ
WeightDiffers	1.5 kg	780 g
Other features2 differ
Dimensions (WxDxH)Differs	160 x 50 x 230 mm	146 x 165 x 41.3 mm
Minimum RAMKnown for one	Unknown — not stated by the source	512 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium 4 1.4GHz
Compatible operating systemsDiffers	Windows 2000/XP/Home/Vista MAC OS	Windows ME, 2000 Professional, XP Home, Professional, Vista
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

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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