Product comparison · 2 internal hard drives

Samsung 400GB Serial ATA II HDD, 20-Pk vs Samsung 80GB Ultra-ATA/100 HDD

Key differences

HDD capacity
- 400GB Serial ATA II HDD, 20-Pk:400 GB
- 80GB Ultra-ATA/100 HDD:80 GB
HDD speed
- 400GB Serial ATA II HDD, 20-Pk:7200 RPM
- 80GB Ultra-ATA/100 HDD:5400 RPM
Interface
- 400GB Serial ATA II HDD, 20-Pk:Serial ATA II
- 80GB Ultra-ATA/100 HDD:Ultra-ATA/100
Full stroke seek time
- 400GB Serial ATA II HDD, 20-Pk:18 ms
- 80GB Ultra-ATA/100 HDD:22 ms
Track to track seek time
- 400GB Serial ATA II HDD, 20-Pk:0.8 ms
- 80GB Ultra-ATA/100 HDD:2 ms
Average seek time
- 400GB Serial ATA II HDD, 20-Pk:8.9 ms
- 80GB Ultra-ATA/100 HDD:12 ms
Average latency
- 400GB Serial ATA II HDD, 20-Pk:4.17 ms
- 80GB Ultra-ATA/100 HDD:5.6 ms
Mean time between failures (MTBF)
- 400GB Serial ATA II HDD, 20-Pk:600000 h
- 80GB Ultra-ATA/100 HDD:330000 h

Differences highlightedShow differences only

Comparison of 400GB Serial ATA II HDD, 20-Pk, 80GB Ultra-ATA/100 HDD
27 specifications	A Samsung 400GB Serial ATA II HDD, 20-Pk View product	B Samsung 80GB Ultra-ATA/100 HDD View product
Features8 differ
HDD capacityDiffers	400 GB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
InterfaceDiffers	Serial ATA II	Ultra-ATA/100
Full stroke seek timeDiffers	18 ms	22 ms
Track to track seek timeDiffers	0.8 ms	2 ms
Average seek timeDiffers	8.9 ms	12 ms
Average latencyDiffers	4.17 ms	5.6 ms
Mean time between failures (MTBF)Differs	600000 h	330000 h
Power1 differ
Power consumption (typical)Differs	10 W	4.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.1 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	0.25 W
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Power consumption (off)Known for one	1.3 W	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Operating shockDiffers	63 G	300 G
Non-operating shockDiffers	300 G	1000 G
Other features1 differ
Power requirementsKnown for one	Unknown — not stated by the source	+5V
Drive ready timeDiffers	10 s	4 s
HDD transfer rateKnown for one	1000 Mbit/s	Unknown — not stated by the source

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.