Product comparison · 2 optical disc drives

LG GDR-8164-B-R DVD ROM 16x/52x vs NEC AD-7170S optical disc drive Internal

8specifications compared
6differ
2identical
21known for one product only

Key differences

Interface
- GDR-8164-B-R DVD ROM 16x/52x:EIDE/ATA
- AD-7170S optical disc drive Internal:Serial ATA
CD read speed
- GDR-8164-B-R DVD ROM 16x/52x:52x
- AD-7170S optical disc drive Internal:48x
DVD drive average random access time
- GDR-8164-B-R DVD ROM 16x/52x:100 ms
- AD-7170S optical disc drive Internal:160 ms
CD-ROM drive average random access time
- GDR-8164-B-R DVD ROM 16x/52x:90 ms
- AD-7170S optical disc drive Internal:140 ms
Weight
- GDR-8164-B-R DVD ROM 16x/52x:670 g
- AD-7170S optical disc drive Internal:705 g
Dimensions (WxDxH)
- GDR-8164-B-R DVD ROM 16x/52x:146 x 165 x 41.3 mm
- AD-7170S optical disc drive Internal:148 x 42 x 175 mm

Side by side

Differences highlightedShow differences only

Comparison of GDR-8164-B-R DVD ROM 16x/52x, AD-7170S
29 specifications	A LG GDR-8164-B-R DVD ROM 16x/52x View product	B NEC AD-7170S optical disc drive Internal Model AD-7170S View product
Designidentical
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	EIDE/ATA	Serial ATA
Drive device, buffer sizeKnown for one	0.256 MB	Unknown — not stated by the source
Burst transfer rateKnown for one	16.6 MB/s	Unknown — not stated by the source
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
DVD+R write speedKnown for one	Unknown — not stated by the source	18x
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	8x
DVD-R write speedKnown for one	Unknown — not stated by the source	18x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed1 differ
CD read speedDiffers	52x	48x
Access time2 differ
DVD drive average random access timeDiffers	100 ms	160 ms
CD-ROM drive average random access timeDiffers	90 ms	140 ms
Access timeKnown for one	160 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Multi sessionKnown 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	670 g	705 g
Other features1 differ
Dimensions (WxDxH)Differs	146 x 165 x 41.3 mm	148 x 42 x 175 mm
Compatible operating systemsKnown for one	Windows 95, 98, 2K, ME, NT 4.0, XP	Unknown — not stated by the source
Maximum data transfer rateKnown for one	7.8 Mbit/s	Unknown — not stated by the source
Sustained data rateKnown for one	22.1 MB/s	Unknown — not stated by the source
Drive devices burst data transfer rate (PIO)Known for one	16.6	Unknown — not stated by the source
Drive devices burst data transfer rate (Ultra DMA)Known for one	33.3	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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