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Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD, 20-pack vs Samsung 80GB Ultra-ATA/100 HDD

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  • 22specifications compared
  • 16differ
  • 6identical
  • 4known for one product only

Key differences

  • HDD capacity
    • 400 GB
    • 80 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Full stroke seek time
    • 18 ms
    • 22 ms
  • Track to track seek time
    • 0.8 ms
    • 2 ms
  • Average seek time
    • 8.9 ms
    • 12 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms

Side by side

Differences highlightedShow differences only
26 specifications
A

Samsung

400GB Serial ATA II HDD, 20-packView product
B

Samsung

80GB Ultra-ATA/100 HDDView product
Features9 differ
HDD capacityDiffers400 GB80 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Storage drive buffer sizeDiffers16 MB8 MB
Full stroke seek timeDiffers18 ms22 ms
Track to track seek timeDiffers0.8 ms2 ms
Average seek timeDiffers8.9 ms12 ms
Average latencyDiffers4.17 ms5.6 ms
Bytes per sector512512
Mean time between failures (MTBF)Differs600000 h330000 h
Power2 differ
Power consumption (typical)Differs10 W4.5 W
Power consumption (standby)Differs1.3 W0.1 W
Power consumption (PowerSave)Known for one0.25 W
Operating voltageKnown for one5 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%
Non-operating altitude1200012000
Operating shockDiffers63 G300 G
Non-operating shockDiffers300 G1000 G
Other features2 differ
Power requirementsDiffers+5V±5%;+12V±10%+5V
Drive ready timeDiffers10 s4 s
InternalYesYes
HDD transfer rateKnown for one1000 Mbit/s

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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