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Product comparison · 2 optical disc drives

LG GH22NS40 optical disc drive Internal vs Philips 20x DVD±R SATA

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  • 12specifications compared
  • 7differ
  • 5identical
  • 32known for one product only

Key differences

  • DVD+R write speed
    • 22x
    • 20x
  • DVD-R write speed
    • 22x
    • 20x
  • DVD drive average random access time
    • 145 ms
    • 160 ms
  • CD-ROM drive average random access time
    • 120 ms
    • 140 ms
  • Weight
    • 750 g
    • 900 g
  • Dimensions (WxDxH)
    • 146 x 170 x 41.3 mm
    • 146 x 170 x 42 mm

Side by side

Differences highlightedShow differences only
44 specifications
A

LG

GH22NS40 optical disc drive Internal

Model GH22NS40

View product
B

Philips

20x DVD±R SATAView product
Designidentical
InternalYesYes
Disc loading typeKnown for oneTray
Performanceidentical
InterfaceKnown for oneSerial ATA
Drive device, buffer sizeKnown for one2 MB
Mean time between failures (MTBF)Known for one70000 h
Writing speed2 differ
CD write speed48x48x
CD rewrite speed32x32x
DVD+R Double Layer write speedKnown for one16x
DVD+R write speedDiffers22x20x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one16x
DVD-R write speedDiffers22x20x
DVD-RAM write speed12x12x
DVD-RW write speedKnown for one6x
CD-R write speedKnown for one48x
DVD-R9 write speedKnown for one8x
Reading speedidentical
CD read speed48x48x
CD-RW read speedKnown for one40x
DVD+R read speedKnown for one16x
DVD-R Double Layer read speedKnown for one12x
DVD-R read speedKnown for one16x
DVD-RAM read speedKnown for one12x
DVD-ROM read speedKnown for one16x
DVD-RW read speedKnown for one12x
DVD+R Double Layer read speedKnown for one12x
Access time2 differ
DVD drive average random access timeDiffers145 ms160 ms
CD-ROM drive average random access timeDiffers120 ms140 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
WeightDiffers750 g900 g
Packaging contentidentical
Bundled softwareKnown for oneNero Express In CD PowerDVD PowerProducer Gold
Other features2 differ
Power requirementsKnown for one+12V/+5V DC
Dimensions (WxDxH)Differs146 x 170 x 41.3 mm146 x 170 x 42 mm
Compatible operating systemsDiffersWindows 2000, Windows ME, Windows Vista, Windows XPMicrosoft Windows 2000 / XP / Vista
Minimum RAMKnown for one128 MB
Minimum processorKnown for onePentium 4 1.3GHz
Minimum storage drive spaceKnown for one9 GB
Signal-to-Noise Ratio (SNR)Known for one75 dB
Operational conditionsidentical
Operating relative humidity (H-H)Known for one15 - 80%
Operating temperature (T-T)Known for one5 - 50 °C
Storage relative humidity (H-H)Known for one15 - 95%
Storage temperature (T-T)Known for one-40 - 65 °C

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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