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Product comparison · 2 internal hard drives

Samsung 120GB Serial ATA I HDD vs Seagate 7200.10 Serial ATA 400GB

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  • 15specifications compared
  • 10differ
  • 5identical
  • 28known for one product only

Key differences

  • HDD capacity
    • 120 GB
    • 400 GB
  • HDD speed
    • 5400 RPM
    • 7200 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Interface
    • Serial ATA
    • Serial ATA II
  • Track to track seek time
    • 2 ms
    • 1 ms
  • Average latency
    • 5.6 ms
    • 4.16 ms
  • Operating voltage
    • 5 V
    • 5 / 12 V
  • Operating temperature (T-T)
    • 5 - 55 °C
    • 0 - 60 °C

Side by side

Differences highlightedShow differences only
43 specifications
A

Samsung

120GB Serial ATA I HDDView product
B

Seagate

7200.10 Serial ATA 400GBView product
Features6 differ
HDD capacityDiffers120 GB400 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeDiffers2.5"3.5"
InterfaceDiffersSerial ATASerial ATA II
TypeKnown for oneHDD
Storage drive buffer size8 MB8 MB
HDD number of cylindersKnown for one16383
HDD number of headsKnown for one5
Read seek timeKnown for one8.5 ms
Write seek timeKnown for one10 ms
Track to track seek timeDiffers2 ms1 ms
Average latencyDiffers5.6 ms4.16 ms
Bytes per sector512512
Start/stop cyclesKnown for one50000
Full stroke seek timeKnown for one22 ms
Average seek timeKnown for one12 ms
Mean time between failures (MTBF)Known for one330000 h
Power1 differ
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for one2.8 A
Power consumption (typical)Known for one2.1 W
Power consumption (standby)Known for one0.25 W
Power consumption (PowerSave)Known for one0.2 W
Operational conditions3 differ
Operating temperature (T-T)Differs5 - 55 °C0 - 60 °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-60.96 - 3048 m
Non-operating altitudeKnown for one-60.96 - 12192 m
Operating shockDiffers325 G68 G
Non-operating shockDiffers1000 G350 G
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one146.9 mm
HeightKnown for one26.1 mm
WeightKnown for one635 g
Packaging dataidentical
Quantity per packKnown for one1 pc(s)
Other featuresidentical
Windows operating systems supportedKnown for oneYes
CertificationKnown for oneRoHS
Dimensions (W x D x H) (imperial)Known for one101.9 x 147 x 26.1 mm (4.01 x 5.79 x 1.03")
Weight (imperial)Known for one0.635 kg (1.4 lbs)
Power requirementsKnown for one+5V
Drive ready timeKnown for one4 s
InternalKnown for oneYes
Acoustic pressure emissionsKnown for one2.2 dB

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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