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Product comparison · 2 internal hard drives

Samsung 400GB HDD vs Seagate Barracuda 7200.9 250, Ultra ATA/100

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  • 9specifications compared
  • 6differ
  • 3identical
  • 33known for one product only

Key differences

The Samsung 400GB HDD has 150 GB more HDD capacity than the Seagate Barracuda 7200.9 250, Ultra ATA/100 (400 GB vs 250 GB). The Seagate Barracuda 7200.9 250, Ultra ATA/100 has 8 MB more storage drive buffer size than the Samsung 400GB HDD (16 MB vs 8 MB). The Samsung 400GB HDD has 0.01 ms more average latency than the Seagate Barracuda 7200.9 250, Ultra ATA/100 (4.17 ms vs 4.16 ms).

  • HDD capacity
    • 400 GB
    • 250 GB
  • Storage drive buffer size
    • 8 MB
    • 16 MB
  • Average latency
    • 4.17 ms
    • 4.16 ms
  • Depth
    • 146.1 mm
    • 146.9 mm
  • Height
    • 25.4 mm
    • 26 mm
  • Weight
    • 653 g
    • 635 g

Side by side

Differences highlightedShow differences only
42 specifications
A

Samsung

400GB HDDView product
B

Seagate

Barracuda 7200.9 250, Ultra ATA/100View product
Features3 differ
HDD capacityDiffers400 GB250 GB
HDD sizeKnown for one3.5"
TypeKnown for oneHDD
Storage drive buffer sizeDiffers8 MB16 MB
Full stroke seek timeKnown for one18 ms
Track to track seek timeKnown for one0.8 ms
Average seek timeKnown for one8.9 ms
Average latencyDiffers4.17 ms4.16 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
Mean time between failures (MTBF)Known for one600000 h
HDD number of cylindersKnown for one1024
HDD number of headsKnown for one256
Poweridentical
Power consumption (typical)Known for one8.7 W
Power consumption (standby)Known for one0.6 W
Power consumption (PowerSave)Known for one0.6 W
Power consumption (idle)Known for one7.2 W
Operating voltageKnown for one5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one1 G
Non-operating vibrationKnown for one2 G
Operating altitudeKnown for one-304.8 - 3048 m
Non-operating altitudeKnown for one-304.8 - 12192 m
Operating shockKnown for one63 G
Non-operating shockKnown for one300 G
Weight & dimensions3 differ
DepthDiffers146.1 mm146.9 mm
HeightDiffers25.4 mm26 mm
WeightDiffers653 g635 g
Other featuresidentical
Drive ready timeKnown for one10 s
HDD transfer rateKnown for one100 Mbit/s
Power requirementsKnown for one2.6
Dimensions (WxDxH)Known for one101.6 x 146.9 x 26.04 mm
InternalKnown for oneYes
Drive devices burst data transfer rate (DMA)Known for one2
Drive devices burst data transfer rate (PIO)Known for one4
Drive devices burst data transfer rate (Ultra DMA)Known for one5

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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