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Product comparison · 2 optical disc drives

LG DVD-ROM 16xDVD 52xCD Black Retail vs NEC AD-7170S Silver

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  • 10specifications compared
  • 6differ
  • 4identical
  • 26known for one product only

Key differences

  • Product colour
    • Black
    • Silver
  • Drive device, buffer size
    • 0.256 MB
    • 2 MB
  • CD read speed
    • 52x
    • 48x
  • Weight
    • 670 g
    • 705 g
  • Dimensions (WxDxH)
    • 146 x 165 x 41.3 mm
    • 148 x 175 x 42 mm

Side by side

Differences highlightedShow differences only
36 specifications
A

LG

DVD-ROM 16xDVD 52xCD Black RetailView product
B

NEC

AD-7170S SilverView product
Design1 differ
InternalYesYes
Product colourDiffersBlackSilver
Disc loading typeKnown for oneTray
MountingKnown for oneVertical/Horizontal
Performance1 differ
Optical drive typeKnown for oneDVD-RW
InterfaceKnown for oneSerial ATA
Drive device, buffer sizeDiffers0.256 MB2 MB
Writing speedidentical
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R write speedKnown for one18x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one8x
DVD-R write speedKnown for one18x
DVD-RAM write speedKnown for one12x
DVD-RW write speedKnown for one6x
Reading speed1 differ
CD read speedDiffers52x48x
DVD read speed16x16x
Access timeidentical
DVD drive average random access time160 ms160 ms
CD-ROM drive average random access timeKnown for one140 ms
Access timeKnown for one90 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Fixed packetKnown for oneYes
Multi sessionKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes
Variable packetKnown for oneYes
Weight & dimensions1 differ
WeightDiffers670 g705 g
Other features2 differ
Media types supportedDiffersDVD-RAM, DVD-R/RW, DVD+R/RW, DVD-ROM, DVD+R DL, CD-R/-RW,CD-R/RW CD-ROM Mode 1, 2, CD-DA, CD-ROM XA, Mixed CD, CD-Extra, CD-Text, Photo-CD, Video CDDVD-ROM, DVD-R (DL approx march 2005), DVD-RW, DVD+R, DVD+RW,DVD+R9,CD-ROM, CD-R & CD-RW 80mm & 120mm
Write methodsKnown for oneDAO, SAO,TAO zero gap,variable / fixed packet, multisession
Dimensions (WxDxH)Differs146 x 165 x 41.3 mm148 x 175 x 42 mm
Number of optical discs1 discs1 discs
Double Layer DVD write speedKnown for one8x
Compatible operating systemsKnown for oneWindows 95/98/98SE/Me/2000/XP
Mac compatibilityKnown for oneNo

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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