Product comparison · 2 optical disc drives

LG DVD+/-RW 20x SecureDisk ATAPI Bulk, Black vs LG GDR-8164BRB DVD-ROM 16X 52X

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

Key differences

Drive device, buffer size
- DVD+/-RW 20x SecureDisk ATAPI Bulk, Black:2 MB
- GDR-8164BRB DVD-ROM 16X 52X:0.256 MB
CD read speed
- DVD+/-RW 20x SecureDisk ATAPI Bulk, Black:48x
- GDR-8164BRB DVD-ROM 16X 52X:52x
CD-ROM drive average random access time
- DVD+/-RW 20x SecureDisk ATAPI Bulk, Black:120 ms
- GDR-8164BRB DVD-ROM 16X 52X:90 ms
Weight
- DVD+/-RW 20x SecureDisk ATAPI Bulk, Black:800 g
- GDR-8164BRB DVD-ROM 16X 52X:670 g
Dimensions (WxDxH)
- DVD+/-RW 20x SecureDisk ATAPI Bulk, Black:148 x 42 x 17 mm
- GDR-8164BRB DVD-ROM 16X 52X:146 x 165 x 41.3 mm
Maximum data transfer rate
- DVD+/-RW 20x SecureDisk ATAPI Bulk, Black:58.98 Mbit/s
- GDR-8164BRB DVD-ROM 16X 52X:7.8 Mbit/s

Side by side

Differences highlightedShow differences only

Comparison of DVD+/-RW 20x SecureDisk ATAPI Bulk, Black, GDR-8164BRB DVD-ROM 16X 52X
29 specifications	A LG DVD+/-RW 20x SecureDisk ATAPI Bulk, Black View product	B LG GDR-8164BRB DVD-ROM 16X 52X View product
Designidentical
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
MountingKnown for one	Unknown — not stated by the source	Vertical/Horizontal
Performance1 differ
Drive device, buffer sizeDiffers	2 MB	0.256 MB
Burst transfer rateKnown for one	Unknown — not stated by the source	16.6 MB/s
Writing speedidentical
CD write speedKnown for one	48x	Unknown — not stated by the source
CD rewrite speedKnown for one	32x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	48x	52x
DVD read speedKnown for one	Unknown — not stated by the source	16x
Access time1 differ
CD-ROM drive average random access timeDiffers	120 ms	90 ms
DVD drive average random access timeKnown for one	Unknown — not stated by the source	100 ms
Access timeKnown for one	Unknown — not stated by the source	160 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Yes	Unknown — not stated by the source
Over-burn writingKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown 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 & dimensions1 differ
WeightDiffers	800 g	670 g
Other features2 differ
Write methodsKnown for one	RW	Unknown — not stated by the source
Dimensions (WxDxH)Differs	148 x 42 x 17 mm	146 x 165 x 41.3 mm
Maximum data transfer rateDiffers	58.98 Mbit/s	7.8 Mbit/s
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 95, 98, 2K, ME, NT 4.0, XP
Sustained data rateKnown for one	Unknown — not stated by the source	22.1 MB/s
Drive devices burst data transfer rate (PIO)Known for one	Unknown — not stated by the source	16.6
Drive devices burst data transfer rate (Ultra DMA)Known for one	Unknown — not stated by the source	33.3

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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