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Product comparison · 2 internal hard drives

Seagate Barracuda 80GB Serial ATA II 7200RPM 8MB vs Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk

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  • 12specifications compared
  • 9differ
  • 3identical
  • 20known for one product only

Key differences

The Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk has 20 GB more HDD capacity than the Seagate Barracuda 80GB Serial ATA II 7200RPM 8MB (100 GB vs 80 GB). The Seagate Barracuda 80GB Serial ATA II 7200RPM 8MB has 1,800 RPM more HDD speed than the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk (7200 RPM vs 5400 RPM). The Seagate Barracuda 80GB Serial ATA II 7200RPM 8MB has 1" more HDD size than the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk (3.5" vs 2.5"). Interface: Serial ATA II on the Seagate Barracuda 80GB Serial ATA II 7200RPM 8MB, Ultra-ATA/100 on the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk. Operating voltage: 5 / 12 V on the Seagate Barracuda 80GB Serial ATA II 7200RPM 8MB, 5 V on the Seagate Momentus 5400.3 100GB Ultra ATA/100 25pk bulk.

  • HDD capacity
    • 80 GB
    • 100 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Serial ATA II
    • Ultra-ATA/100
  • Average latency
    • 4.16 ms
    • 5.6 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V
  • Operating shock
    • 63 G
    • 350 G
  • Weight
    • 690 g
    • 102 g

Side by side

Differences highlightedShow differences only
32 specifications
A

Seagate

Barracuda 80GB Serial ATA II 7200RPM 8MBView product
B

Seagate

Momentus 5400.3 100GB Ultra ATA/100 25pk bulkView product
Features5 differ
HDD capacityDiffers80 GB100 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersSerial ATA IIUltra-ATA/100
Component forKnown for oneLaptop
HDD number of cylindersKnown for one1024
HDD number of headsKnown for one256
Read seek timeKnown for one22 ms
Write seek timeKnown for one24 ms
Average seek timeKnown for one11 ms
Average latencyDiffers4.16 ms5.6 ms
Bytes per sectorKnown for one512
Power1 differ
Power consumption (standby)Known for one0.2 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentKnown for one1 A
Operational conditions1 differ
Operating shockDiffers63 G350 G
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Weight & dimensions1 differ
WidthKnown for one69.8 mm
DepthKnown for one100.2 mm
HeightKnown for one9.5 mm
WeightDiffers690 g102 g
Other features1 differ
Dimensions (WxDxH)Differs101.6 x 146.99 x 26.1 mm69.85 x 100.2 x 9.5 mm
Drive device, transfer rateKnown for one100 MB/s
External power adapterKnown for oneNo
Mac compatibilityKnown for oneNo
Maximum data transfer rateKnown for one352 Mbit/s
Plug and PlayKnown for oneYes
Acoustic pressure emissionsKnown for one25 dB

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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