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Product comparison · 2 internal hard drives

Samsung 640GB SATA II HDD vs Seagate Pipeline HD 1-TB

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  • 17specifications compared
  • 9differ
  • 8identical
  • 18known for one product only

Key differences

  • HDD capacity
    • 640 GB
    • 1 TB
  • HDD speed
    • 7200 RPM
    • 5900 RPM
  • HDD size
    • 2.5"
    • 3.5"
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Power consumption (standby)
    • 1 W
    • 0.7 W
  • Operating voltage
    • 5 V
    • 5 / 12 V
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 0 - 75 °C
  • Width
    • 101.5 mm
    • 101.6 mm

Side by side

Differences highlightedShow differences only
35 specifications
A

Samsung

640GB SATA II HDDView product
B

Seagate

Pipeline HD 1-TBView product
Features4 differ
HDD capacityDiffers640 GB1 TB
HDD speedDiffers7200 RPM5900 RPM
HDD sizeDiffers2.5"3.5"
InterfaceSerial ATA IISerial ATA II
Storage drive buffer sizeDiffers16 MB8 MB
Average seek timeKnown for one8.9 ms
Average latencyKnown for one4.17 ms
Bytes per sectorKnown for one512
Start/stop cycles5000050000
Mean time between failures (MTBF)Known for one1200000 h
TypeKnown for oneHDD
Read seek timeKnown for one14 ms
Write seek timeKnown for one15 ms
Power2 differ
Power consumption (standby)Differs1 W0.7 W
Power consumption (PowerSave)Known for one1 W
Operating voltageDiffers5 V5 / 12 V
Start-up currentKnown for one2 A
Operational conditions1 differ
Operating temperature (T-T)Differs0 - 60 °C0 - 75 °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 shockKnown for one70 G
Non-operating shockKnown for one300 G
Weight & dimensions1 differ
WidthDiffers101.5 mm101.6 mm
Depth147 mm147 mm
Height26.1 mm26.1 mm
WeightKnown for one610 g
Other features1 differ
Dimensions (WxDxH)Differs101.5 x 147 x 26.1 mm101.6 x 146.99 x 26.1 mm
Drive device, transfer rateKnown for one175 MB/s
Drive ready timeKnown for one12 s
InternalYesYes
Maximum data transfer rateKnown for one300 Mbit/s
Data transfer rateKnown for one3 Gbit/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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