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Product comparison · 2 internal hard drives

Samsung 750GB Serial ATA II HDD vs Samsung 80GB Serial ATA I HDD

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  • 18specifications compared
  • 13differ
  • 5identical
  • 11known for one product only

Key differences

The Samsung 750GB Serial ATA II HDD has 670 GB more HDD capacity than the Samsung 80GB Serial ATA I HDD (750 GB vs 80 GB). The Samsung 750GB Serial ATA II HDD has 1,800 RPM more HDD speed than the Samsung 80GB Serial ATA I HDD (7200 RPM vs 5400 RPM). The Samsung 750GB Serial ATA II HDD has 1" more HDD size than the Samsung 80GB Serial ATA I HDD (3.5" vs 2.5"). Interface: Serial ATA II on the Samsung 750GB Serial ATA II HDD, Serial ATA on the Samsung 80GB Serial ATA I HDD. Operating voltage: 5 / 12 V on the Samsung 750GB Serial ATA II HDD, 5 V on the Samsung 80GB Serial ATA I HDD.

  • HDD capacity
    • 750 GB
    • 80 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Serial ATA
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Average seek time
    • 8.9 ms
    • 12 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
29 specifications
A

Samsung

750GB Serial ATA II HDDView product
B

Samsung

80GB Serial ATA I HDDView product
Features7 differ
HDD capacityDiffers750 GB80 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IISerial ATA
Storage drive buffer sizeDiffers16 MB8 MB
Average seek timeDiffers8.9 ms12 ms
Average latencyDiffers4.17 ms5.6 ms
Bytes per sector512512
Start/stop cyclesKnown for one50000
Full stroke seek timeKnown for one22 ms
Track to track seek timeKnown for one2 ms
Power1 differ
Power consumption (typical)Known for one7.9 W
Power consumption (standby)Known for one0.8 W
Operating voltageDiffers5 / 12 V5 V
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Storage temperature (T-T)-40 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)5 - 90%5 - 90%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating altitudeKnown for one-300 - 3000 m
Non-operating altitudeKnown for one-300 - 12000 m
Operating shockDiffers70 G325 G
Non-operating shockDiffers350 G1000 G
Weight & dimensionsidentical
WidthKnown for one101.5 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightKnown for one640 g
Other features2 differ
Power requirementsDiffers+5V±5%, +12V±10%+5V
Drive ready timeDiffers12 s3.5 s
InternalYesYes

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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