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Product comparison · 2 internal hard drives

Seagate 120GB HDD vs Seagate 200GB HDD

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  • 28specifications compared
  • 10differ
  • 18identical
  • 10known for one product only

Key differences

The Seagate 200GB HDD has 80 GB more HDD capacity than the Seagate 120GB HDD (200 GB vs 120 GB). The Seagate 200GB HDD has 6 MB more storage drive buffer size than the Seagate 120GB HDD (8 MB vs 2 MB). The Seagate 200GB HDD has 7.5 ms more read seek time than the Seagate 120GB HDD (8.5 ms vs 1 ms). Interface: Ultra-ATA/100 on the Seagate 120GB HDD, Serial ATA on the Seagate 200GB HDD. Operating temperature (T-T): 0 - 60 °C on the Seagate 120GB HDD, 5 - 55 °C on the Seagate 200GB HDD.

  • HDD capacity
    • 120 GB
    • 200 GB
  • Interface
    • Ultra-ATA/100
    • Serial ATA
  • Storage drive buffer size
    • 2 MB
    • 8 MB
  • Read seek time
    • 1 ms
    • 8.5 ms
  • Write seek time
    • 1.2 ms
    • 9.5 ms
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C
  • Operating altitude
    • -198.12 - 3048 m
    • -60.96 - 3048 m
  • Non-operating altitude
    • -198.12 - 12192 m
    • -60.96 - 12192 m

Side by side

Differences highlightedShow differences only
38 specifications
A

Seagate

120GB HDDView product
B

Seagate

200GB HDDView product
Features5 differ
HDD capacityDiffers120 GB200 GB
HDD speed7200 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersUltra-ATA/100Serial ATA
TypeHDDHDD
Storage drive buffer sizeDiffers2 MB8 MB
HDD number of heads44
Read seek timeDiffers1 ms8.5 ms
Write seek timeDiffers1.2 ms9.5 ms
Average seek timeKnown for one9.4 ms
Average latency4.16 ms4.16 ms
Bytes per sector512512
Start/stop cycles5000050000
Mean time between failures (MTBF)600000 h600000 h
Track to track seek timeKnown for one1.2 ms
Poweridentical
Power consumption (typical)Known for one13 W
Power consumption (standby)Known for one0.7 W
Power consumption (PowerSave)Known for one0.7 W
Power consumption (idle)Known for one9.5 W
Power consumption (read)Known for one12 W
Power consumption (write)Known for one12 W
Operating voltage5 / 12 V5 / 12 V
Start-up currentKnown for one2.8 A
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 vibration0.5 G0.5 G
Non-operating vibration5 G5 G
Operating altitudeDiffers-198.12 - 3048 m-60.96 - 3048 m
Non-operating altitudeDiffers-198.12 - 12192 m-60.96 - 12192 m
Operating shock63 G63 G
Non-operating shock350 G350 G
Weight & dimensions2 differ
WidthDiffers101.8 mm101.6 mm
Depth147 mm147 mm
HeightDiffers26.1 mm26 mm
Weight635 g635 g
Other featuresidentical
Drive ready timeKnown for one10 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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