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Product comparison · 2 internal hard drives

Samsung 250GB Ultra-ATA/133 HDD vs Samsung Spin Point M40S

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  • 11specifications compared
  • 9differ
  • 2identical
  • 15known for one product only

Key differences

The Samsung 250GB Ultra-ATA/133 HDD has 190 GB more HDD capacity than the Samsung Spin Point M40S (250 GB vs 60 GB). The Samsung 250GB Ultra-ATA/133 HDD has 1,800 RPM more HDD speed than the Samsung Spin Point M40S (7200 RPM vs 5400 RPM). The Samsung Spin Point M40S has 4 ms more full stroke seek time than the Samsung 250GB Ultra-ATA/133 HDD (22 ms vs 18 ms). Interface: Ultra-ATA/133 on the Samsung 250GB Ultra-ATA/133 HDD, Serial ATA on the Samsung Spin Point M40S.

  • HDD capacity
    • 250 GB
    • 60 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • Interface
    • Ultra-ATA/133
    • Serial ATA
  • Full stroke seek time
    • 18 ms
    • 22 ms
  • Track to track seek time
    • 0.8 ms
    • 2 ms
  • Average seek time
    • 8.9 ms
    • 12 ms
  • Average latency
    • 4.17 ms
    • 5.6 ms
  • Mean time between failures (MTBF)
    • 500000 h
    • 330000 h

Side by side

Differences highlightedShow differences only
26 specifications
A

Samsung

250GB Ultra-ATA/133 HDDView product
B

Samsung

Spin Point M40SView product
Features8 differ
HDD capacityDiffers250 GB60 GB
HDD speedDiffers7200 RPM5400 RPM
InterfaceDiffersUltra-ATA/133Serial ATA
Storage drive buffer size8 MB8 MB
Full stroke seek timeDiffers18 ms22 ms
Track to track seek timeDiffers0.8 ms2 ms
Average seek timeDiffers8.9 ms12 ms
Average latencyDiffers4.17 ms5.6 ms
Mean time between failures (MTBF)Differs500000 h330000 h
HDD sizeKnown for one2.5"
Bytes per sectorKnown for one512
Poweridentical
Power consumption (typical)Known for one9 W
Power consumption (standby)Known for one0.5 W
Operating voltageKnown for one5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 60 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Non-operating altitudeKnown for one12000
Operating shockKnown for one63 G
Non-operating shockKnown for one350 G
Other features1 differ
Power requirementsKnown for one+5V / +12V
Drive device, transfer rateDiffers133 MB/s150 MB/s
Drive ready timeKnown for one7 s
InternalYesYes
HDD transfer rateKnown for one428 Mbit/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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