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Product comparison · 2 internal hard drives

Fujitsu 120GB mobile hard disk drive vs Seagate EE25 Series Ultra ATA/100 20-GB

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  • 21specifications compared
  • 18differ
  • 3identical
  • 14known for one product only

Key differences

The Fujitsu 120GB mobile hard disk drive has 100 GB more HDD capacity than the Seagate EE25 Series Ultra ATA/100 20-GB (120 GB vs 20 GB). The Seagate EE25 Series Ultra ATA/100 20-GB has 1,200 RPM more HDD speed than the Fujitsu 120GB mobile hard disk drive (5400 RPM vs 4200 RPM). The Seagate EE25 Series Ultra ATA/100 20-GB has 0.5 ms more read seek time than the Fujitsu 120GB mobile hard disk drive (12.5 ms vs 12 ms). Interface: Ultra-ATA/133 on the Fujitsu 120GB mobile hard disk drive, Ultra-ATA/100 on the Seagate EE25 Series Ultra ATA/100 20-GB. Operating temperature (T-T): 5 - 55 °C on the Fujitsu 120GB mobile hard disk drive, -30 - 85 °C on the Seagate EE25 Series Ultra ATA/100 20-GB.

  • HDD capacity
    • 120 GB
    • 20 GB
  • HDD speed
    • 4200 RPM
    • 5400 RPM
  • Interface
    • Ultra-ATA/133
    • Ultra-ATA/100
  • Read seek time
    • 12 ms
    • 12.5 ms
  • Write seek time
    • 14 ms
    • 14.5 ms
  • Average latency
    • 7.14 ms
    • 5.6 ms
  • Mean time between failures (MTBF)
    • 300000 h
    • 550000 h
  • Power consumption (standby)
    • 0.8 W
    • 0.26 W

Side by side

Differences highlightedShow differences only
35 specifications
A

Fujitsu

120GB mobile hard disk driveView product
B

Seagate

EE25 Series Ultra ATA/100 20-GBView product
Features7 differ
HDD capacityDiffers120 GB20 GB
HDD speedDiffers4200 RPM5400 RPM
HDD sizeKnown for one2.5"
InterfaceDiffersUltra-ATA/133Ultra-ATA/100
Storage drive buffer size8 MB8 MB
Read seek timeDiffers12 ms12.5 ms
Write seek timeDiffers14 ms14.5 ms
Track to track seek timeKnown for one1.5 ms
Average seek timeKnown for one22 ms
Average latencyDiffers7.14 ms5.6 ms
Bytes per sectorKnown for one512
Mean time between failures (MTBF)Differs300000 h550000 h
Power1 differ
Power consumption (standby)Differs0.8 W0.26 W
Power consumption (off)Known for one0.1 W
Operating voltageKnown for one5 V
Start-up currentKnown for one1.5 A
Operational conditions6 differ
Operating temperature (T-T)Differs5 - 55 °C-30 - 85 °C
Storage temperature (T-T)Known for one-40 - 65 °C
Operating relative humidity (H-H)Differs8 - 90%5 - 95%
Operating altitudeDiffers-300 - 3000 m-304.8 - 4419.6 m
Non-operating altitudeDiffers-300 - 12000 m-304.8 - 12192 m
Operating shockDiffers300 G110 G
Non-operating shockDiffers900 G800 G
Operating vibrationKnown for one1 G
Non-operating vibrationKnown for one5 G
Weight & dimensions3 differ
WidthDiffers70 mm69.8 mm
DepthDiffers100 mm100.2 mm
Height9.5 mm9.5 mm
WeightDiffers99 g100 g
Other features1 differ
Dimensions (WxDxH)Known for one70 x 100 x 9.5 mm
Drive device, transfer rateKnown for one100 MB/s
InternalYesYes
Supported data transfer ratesKnown for one16.6 MB/s (DMA 2, PIO 4); 33.3 MB/s (UDMA 2); 66.6 MB/s (UDMA 4)
Acoustic pressure emissionsDiffers28 dB2.3 dB
Number of pinsKnown for one44

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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