Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD vs Seagate Barracuda 7200.7 80GB 20pk

7specifications compared
5differ
2identical
26known for one product only

Key differences

The Samsung 400GB Serial ATA II HDD has 320 GB more HDD capacity than the Seagate Barracuda 7200.7 80GB 20pk (400 GB vs 80 GB). The Samsung 400GB Serial ATA II HDD has 14 MB more storage drive buffer size than the Seagate Barracuda 7200.7 80GB 20pk (16 MB vs 2 MB). The Samsung 400GB Serial ATA II HDD has 0.4 ms more average seek time than the Seagate Barracuda 7200.7 80GB 20pk (8.9 ms vs 8.5 ms). Interface: Serial ATA II on the Samsung 400GB Serial ATA II HDD, Serial ATA on the Seagate Barracuda 7200.7 80GB 20pk.

HDD capacity
- 400GB Serial ATA II HDD:400 GB
- Barracuda 7200.7 80GB 20pk:80 GB
Interface
- 400GB Serial ATA II HDD:Serial ATA II
- Barracuda 7200.7 80GB 20pk:Serial ATA
Storage drive buffer size
- 400GB Serial ATA II HDD:16 MB
- Barracuda 7200.7 80GB 20pk:2 MB
Average seek time
- 400GB Serial ATA II HDD:8.9 ms
- Barracuda 7200.7 80GB 20pk:8.5 ms
Average latency
- 400GB Serial ATA II HDD:4.17 ms
- Barracuda 7200.7 80GB 20pk:4.16 ms

Side by side

Differences highlightedShow differences only

Comparison of 400GB Serial ATA II HDD, Barracuda 7200.7 80GB 20pk
33 specifications	A Samsung 400GB Serial ATA II HDD View product	B Seagate Barracuda 7200.7 80GB 20pk View product
Features5 differ
HDD capacityDiffers	400 GB	80 GB
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	16 MB	2 MB
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average seek timeDiffers	8.9 ms	8.5 ms
Average latencyDiffers	4.17 ms	4.16 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsKnown for one	Unknown — not stated by the source	16
Poweridentical
Power consumption (typical)Known for one	10 W	Unknown — not stated by the source
Power consumption (standby)Known for one	1.3 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Power consumption (off)Known for one	Unknown — not stated by the source	2 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 12000 m	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Other featuresidentical
HDD transfer rateKnown for one	1000 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	+5V±5%;+12V±10%	Unknown — not stated by the source
Drive ready timeKnown for one	10 s	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	146.9 mm
HeightKnown for one	Unknown — not stated by the source	26 mm
WeightKnown for one	Unknown — not stated by the source	635 g

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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