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Product comparison · 2 optical disc drives

LG GDRH30N DVD-ROM 16x52x vs NEC AD-7633 black

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  • 10specifications compared
  • 7differ
  • 3identical
  • 19known for one product only

Key differences

  • Drive device, buffer size
    • 0.198 MB
    • 2 MB
  • CD read speed
    • 52x
    • 24x
  • DVD read speed
    • 16x
    • 8x
  • DVD drive average random access time
    • 160 ms
    • 190 ms
  • CD-ROM drive average random access time
    • 90 ms
    • 190 ms
  • Weight
    • 700 g
    • 160 g
  • Dimensions (WxDxH)
    • 146 x 165 x 41.3 mm
    • 12.7 x 128 x 129 mm

Side by side

Differences highlightedShow differences only
29 specifications
A

LG

GDRH30N DVD-ROM 16x52xView product
B

NEC

AD-7633 blackView product
Designidentical
InternalYesYes
Product colourBlackBlack
Performance1 differ
InterfaceEIDE/ATAEIDE/ATA
Drive device, buffer sizeDiffers0.198 MB2 MB
Writing speedidentical
CD write speedKnown for one24x
CD rewrite speedKnown for one16x
DVD+R Double Layer write speedKnown for one4x
DVD+R write speedKnown for one8x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one4x
DVD-R write speedKnown for one8x
DVD-RAM write speedKnown for one5x
DVD-RW write speedKnown for one6x
Reading speed2 differ
CD read speedDiffers52x24x
DVD read speedDiffers16x8x
Access time2 differ
DVD drive average random access timeDiffers160 ms190 ms
CD-ROM drive average random access timeDiffers90 ms190 ms
Access timeKnown for one140 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Multi sessionKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes
Weight & dimensions1 differ
WeightDiffers700 g160 g
Other features1 differ
Dimensions (WxDxH)Differs146 x 165 x 41.3 mm12.7 x 128 x 129 mm
Media types supportedKnown for oneDVD-RAM, DVD-R/RW, DVD+R/RW, DVD-ROM, DVD+R DL, DVD-R DL CD-R/-RW,CD-ROM, CD-DA, CD-ROM XA, CD-Extra, CD-Text, CD-I Photo-CD, CD Audio
Compatible operating systemsKnown for oneWindows 95, 98, 2K, ME, NT 4.0, XP, Vista, 2003 server, Linux: Slackware Ver 3.10, Solaris Ver 2.4.
Maximum data transfer rateKnown for one7.8 Mbit/s
Number of optical discsKnown for one1 discs
Size (imperial)Known for one13.3 cm (5.25")

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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