Product comparison · 2 optical disc drives

LG GSA-T20N DVD rewriter vs Samsung Q1 External DVD RW

4specifications compared
4differ
0identical
37known for one product only

Key differences

Internal
- GSA-T20N DVD rewriter:Yes
- Q1 External DVD RW:No
CD write speed
- GSA-T20N DVD rewriter:24x
- Q1 External DVD RW:8x
CD rewrite speed
- GSA-T20N DVD rewriter:16x
- Q1 External DVD RW:0x
CD read speed
- GSA-T20N DVD rewriter:24x
- Q1 External DVD RW:0x

Side by side

Differences highlightedShow differences only

Comparison of GSA-T20N DVD rewriter, Q1 External DVD RW
41 specifications	A LG GSA-T20N DVD rewriter View product	B Samsung Q1 External DVD RW View product
Design1 differ
InternalDiffers	Yes	No
Product colourKnown for one	Silver	Unknown — not stated by the source
Performanceidentical
InterfaceKnown for one	EIDE/ATA	Unknown — not stated by the source
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Writing speed2 differ
CD write speedDiffers	24x	8x
CD rewrite speedDiffers	16x	0x
CD-RW write speedKnown for one	16x	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+RW write speedKnown for one	8x	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
Reading speed1 differ
CD read speedDiffers	24x	0x
CD-R read speedKnown for one	24x	Unknown — not stated by the source
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speedKnown for one	24x	Unknown — not stated by the source
DVD+R read speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
DVD-R read speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	8x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
DVD+RW read speedKnown for one	8x	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	260 ms	Unknown — not stated by the source
BD-ROM average random access timeKnown for one	160 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	140 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known 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
Weight & dimensionsidentical
WeightKnown for one	170 g	Unknown — not stated by the source
Other featuresidentical
Media types supportedKnown for one	DVD-ROM, DVD-R, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R, DVD+R (DL), DVD+RW, CD	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	128 x 127 x 12.7 mm	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 2000 Professional, Windows Vista XP Home Edition / Professional / Media Center Edition	Unknown — not stated by the source
Maximum data transfer rateKnown for one	11.08 Mbit/s	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1

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.

More optical disc drive comparisons

All optical disc drive comparisons