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Product comparison · 2 internal hard drives

CoreParts WD Scorpio 750GB SATA 7200RPM vs CoreParts WD Scorpio Blue 640GB SATA 5400rpm

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  • 25specifications compared
  • 11differ
  • 14identical
  • 2known for one product only

Key differences

The CoreParts WD Scorpio 750GB SATA 7200RPM has 110 GB more HDD capacity than the CoreParts WD Scorpio Blue 640GB SATA 5400rpm (750 GB vs 640 GB). The CoreParts WD Scorpio 750GB SATA 7200RPM has 1,800 RPM more HDD speed than the CoreParts WD Scorpio Blue 640GB SATA 5400rpm (7200 RPM vs 5400 RPM). The CoreParts WD Scorpio 750GB SATA 7200RPM has 8 MB more storage drive buffer size than the CoreParts WD Scorpio Blue 640GB SATA 5400rpm (16 MB vs 8 MB). Storage temperature (T-T): -40 - 70 °C on the CoreParts WD Scorpio 750GB SATA 7200RPM, -40 - 65 °C on the CoreParts WD Scorpio Blue 640GB SATA 5400rpm.

  • HDD capacity
    • 750 GB
    • 640 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Average latency
    • 4.2 ms
    • 5.5 ms
  • Power consumption (idle)
    • 0.8 W
    • 0.65 W
  • Power consumption (read)
    • 1.75 W
    • 1.6 W
  • Power consumption (write)
    • 1.75 W
    • 1.6 W
  • Start-up current
    • 1.15 A
    • 0.95 A

Side by side

Differences highlightedShow differences only
27 specifications
A

CoreParts

WD Scorpio 750GB SATA 7200RPMView product
B

CoreParts

WD Scorpio Blue 640GB SATA 5400rpmView product
Features4 differ
HDD capacityDiffers750 GB640 GB
HDD speedDiffers7200 RPM5400 RPM
Storage drive buffer sizeDiffers16 MB8 MB
Average latencyDiffers4.2 ms5.5 ms
Power4 differ
Power consumption (idle)Differs0.8 W0.65 W
Power consumption (read)Differs1.75 W1.6 W
Power consumption (write)Differs1.75 W1.6 W
Start-up currentDiffers1.15 A0.95 A
Operational conditions1 differ
Storage temperature (T-T)Differs-40 - 70 °C-40 - 65 °C
Weight & dimensions1 differ
WeightDiffers115 g100 g
Other features1 differ
Product colourKnown for oneBlack
Rotational speedDiffers7200 RPM5400 RPM
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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