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Product comparison · 2 internal hard drives

Samsung 640GB HDD vs Seagate SATA 3.0-Gb/s 1-TB

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  • 17specifications compared
  • 9differ
  • 8identical
  • 24known for one product only

Key differences

The Seagate SATA 3.0-Gb/s 1-TB has 16 MB more storage drive buffer size than the Samsung 640GB HDD (32 MB vs 16 MB). The Samsung 640GB HDD has 0.01 ms more average latency than the Seagate SATA 3.0-Gb/s 1-TB (4.17 ms vs 4.16 ms). The Seagate SATA 3.0-Gb/s 1-TB has 67 g more weight than the Samsung 640GB HDD (677 g vs 610 g). HDD capacity: 640 GB on the Samsung 640GB HDD, 1 TB on the Seagate SATA 3.0-Gb/s 1-TB. Operating temperature (T-T): 0 - 60 °C on the Samsung 640GB HDD, 5 - 55 °C on the Seagate SATA 3.0-Gb/s 1-TB.

  • HDD capacity
    • 640 GB
    • 1 TB
  • Storage drive buffer size
    • 16 MB
    • 32 MB
  • Average latency
    • 4.17 ms
    • 4.16 ms
  • Operating temperature (T-T)
    • 0 - 60 °C
    • 5 - 55 °C
  • Operating relative humidity (H-H)
    • 5 - 90%
    • 5 - 95%
  • Operating altitude
    • -300 - 3000 m
    • -60.96 - 3048 m
  • Non-operating altitude
    • -300 - 12000 m
    • 60.96 - 12192 m
  • Weight
    • 610 g
    • 677 g

Side by side

Differences highlightedShow differences only
41 specifications
A

Samsung

640GB HDDView product
B

Seagate

SATA 3.0-Gb/s 1-TBView product
Features3 differ
HDD capacityDiffers640 GB1 TB
Storage drive buffer sizeDiffers16 MB32 MB
HDD number of headsKnown for one8
Read seek timeKnown for one8.5 ms
Write seek timeKnown for one9.5 ms
Track to track seek timeKnown for one1 ms
Average latencyDiffers4.17 ms4.16 ms
HDD sizeKnown for one3.5"
TypeKnown for oneHDD
Average seek timeKnown for one8.9 ms
Operational conditions4 differ
Operating temperature (T-T)Differs0 - 60 °C5 - 55 °C
Operating relative humidity (H-H)Differs5 - 90%5 - 95%
Operating vibrationKnown for one350 G
Non-operating vibrationKnown for one350 G
Operating altitudeDiffers-300 - 3000 m-60.96 - 3048 m
Non-operating altitudeDiffers-300 - 12000 m60.96 - 12192 m
Weight & dimensions1 differ
WeightDiffers610 g677 g
WidthKnown for one101.5 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
Other features1 differ
HDD transfer rateKnown for one1287 Mbit/s
Dimensions (WxDxH)Known for one101.6 x 146.99 x 26.1 mm
Disks included quantityKnown for one4 pc(s)
Drive device, transfer rateKnown for one300 MB/s
Drive ready timeDiffers12 s20 s
InternalKnown for oneYes
Recording densityKnown for one1090 kbit/inch
Track densityKnown for one150
Sustained data rateKnown for one105 MB/s
Poweridentical
Power consumption (typical)Known for one8.56 W
Power consumption (standby)Known for one1.18 W
Power consumption (PowerSave)Known for one1.18 W
Operating voltageKnown for one5 / 12 V

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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