Product comparison · 2 internal hard drives

Seagate 19.9GB HDD vs Seagate 80GB 3.5

22specifications compared
12differ
10identical
12known for one product only

Key differences

HDD capacity
- 19.9GB HDD:19.9 GB
- 80GB 3.5:80 GB
Interface
- 19.9GB HDD:SCSI
- 80GB 3.5:Serial ATA II
Storage drive buffer size
- 19.9GB HDD:2 MB
- 80GB 3.5:8 MB
Read seek time
- 19.9GB HDD:6.9 ms
- 80GB 3.5:9.5 ms
Write seek time
- 19.9GB HDD:7.5 ms
- 80GB 3.5:10.5 ms
Average latency
- 19.9GB HDD:4.17 ms
- 80GB 3.5:4.16 ms
Operating temperature (T-T)
- 19.9GB HDD:5 - 55 °C
- 80GB 3.5:0 - 60 °C
Operating altitude
- 19.9GB HDD:-304.8 - 3048 m
- 80GB 3.5:-60.96 - 3048 m

Side by side

Differences highlightedShow differences only

Comparison of 19.9GB HDD, 80GB 3.5
34 specifications	A Seagate 19.9GB HDD View product	B Seagate 80GB 3.5 View product
Features6 differ
HDD capacityDiffers	19.9 GB	80 GB
InterfaceDiffers	SCSI	Serial ATA II
Storage drive buffer sizeDiffers	2 MB	8 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
Read seek timeDiffers	6.9 ms	9.5 ms
Write seek timeDiffers	7.5 ms	10.5 ms
Average latencyDiffers	4.17 ms	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
HDD number of headsKnown for one	2	Unknown — not stated by the source
Full stroke seek timeKnown for one	10.7 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Start-up currentKnown for one	Unknown — not stated by the source	2.6 A
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Operating altitudeDiffers	-304.8 - 3048 m	-60.96 - 3048 m
Non-operating altitudeDiffers	-304.8 - 12192 m	-60.96 - 12192 m
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2 G	Unknown — not stated by the source
Weight & dimensions3 differ
DepthDiffers	146.1 mm	147 mm
HeightDiffers	25.4 mm	26.1 mm
WeightDiffers	540 g	580 g
Other featuresidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	25 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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