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Product comparison · 2 internal hard drives

Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH vs Seagate MOMENTUS 20GB ATA100

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  • 10specifications compared
  • 6differ
  • 4identical
  • 7known for one product only

Key differences

The Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH has 20 GB more HDD capacity than the Seagate MOMENTUS 20GB ATA100 (40 GB vs 20 GB). The Seagate MOMENTUS 20GB ATA100 has 1,200 RPM more HDD speed than the Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH (5400 RPM vs 4200 RPM). The Seagate MOMENTUS 20GB ATA100 has 6 MB more storage drive buffer size than the Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH (8 MB vs 2 MB). Dimensions (WxDxH): 70 x 100 x 9.5 mm on the Fujitsu HDD 40 GB AT 2 5"" (FUJITSU MH, 698.5 x 1002 x 95 mm on the Seagate MOMENTUS 20GB ATA100.

  • HDD capacity
    • 40 GB
    • 20 GB
  • HDD speed
    • 4200 RPM
    • 5400 RPM
  • Storage drive buffer size
    • 2 MB
    • 8 MB
  • Average latency
    • 7.14 ms
    • 5.6 ms
  • Weight
    • 98 g
    • 99 g
  • Dimensions (WxDxH)
    • 70 x 100 x 9.5 mm
    • 698.5 x 1002 x 95 mm

Side by side

Differences highlightedShow differences only
17 specifications
A

Fujitsu

HDD 40 GB AT 2 5"" (FUJITSU MHView product
B

Seagate

MOMENTUS 20GB ATA100View product
Features4 differ
HDD capacityDiffers40 GB20 GB
HDD speedDiffers4200 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceUltra-ATA/100Ultra-ATA/100
Storage drive buffer sizeDiffers2 MB8 MB
HDD number of cylindersKnown for one47.104
Track to track seek timeKnown for one1.5 ms
Average seek time12 ms12 ms
Average latencyDiffers7.14 ms5.6 ms
Component forKnown for oneLaptop
HDD number of headsKnown for one1
Poweridentical
Operating voltageKnown for one5 V
Operational conditionsidentical
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Weight & dimensions1 differ
WeightDiffers98 g99 g
Other features1 differ
Power requirementsKnown for one5V ± 0.5%
Dimensions (WxDxH)Differs70 x 100 x 9.5 mm698.5 x 1002 x 95 mm
InternalYesYes

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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