Product comparison · 2 internal hard drives

Fujitsu 40GB, 2.5", 4200rpm vs Seagate 120GB 5400rpm SATA

17specifications compared
8differ
9identical
22known for one product only

Key differences

The Seagate 120GB 5400rpm SATA has 80 GB more HDD capacity than the Fujitsu 40GB, 2.5", 4200rpm (120 GB vs 40 GB). The Seagate 120GB 5400rpm SATA has 1,200 RPM more HDD speed than the Fujitsu 40GB, 2.5", 4200rpm (5400 RPM vs 4200 RPM). The Fujitsu 40GB, 2.5", 4200rpm has 1.54 ms more average latency than the Seagate 120GB 5400rpm SATA (7.14 ms vs 5.6 ms). Interface: Ultra-ATA/133 on the Fujitsu 40GB, 2.5", 4200rpm, Serial ATA on the Seagate 120GB 5400rpm SATA. Operating temperature (T-T): -20 - 80 °C on the Fujitsu 40GB, 2.5", 4200rpm, 0 - 60 °C on the Seagate 120GB 5400rpm SATA.

HDD capacity
- 40GB, 2.5", 4200rpm:40 GB
- 120GB 5400rpm SATA:120 GB
HDD speed
- 40GB, 2.5", 4200rpm:4200 RPM
- 120GB 5400rpm SATA:5400 RPM
Interface
- 40GB, 2.5", 4200rpm:Ultra-ATA/133
- 120GB 5400rpm SATA:Serial ATA
Average latency
- 40GB, 2.5", 4200rpm:7.14 ms
- 120GB 5400rpm SATA:5.6 ms
Operating temperature (T-T)
- 40GB, 2.5", 4200rpm:-20 - 80 °C
- 120GB 5400rpm SATA:0 - 60 °C
Storage temperature (T-T)
- 40GB, 2.5", 4200rpm:-40 - 85 °C
- 120GB 5400rpm SATA:-40 - 70 °C
Operating shock
- 40GB, 2.5", 4200rpm:300 G
- 120GB 5400rpm SATA:325 G
Weight
- 40GB, 2.5", 4200rpm:960 g
- 120GB 5400rpm SATA:102 g

Side by side

Differences highlightedShow differences only

Comparison of 40GB, 2.5", 4200rpm, 120GB 5400rpm SATA
39 specifications	A Fujitsu 40GB, 2.5", 4200rpm View product	B Seagate 120GB 5400rpm SATA View product
Features4 differ
HDD capacityDiffers	40 GB	120 GB
HDD speedDiffers	4200 RPM	5400 RPM
InterfaceDiffers	Ultra-ATA/133	Serial ATA
Read seek timeKnown for one	12 ms	Unknown — not stated by the source
Write seek timeKnown for one	14 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	1.5 ms	Unknown — not stated by the source
Average latencyDiffers	7.14 ms	5.6 ms
Mean time between failures (MTBF)Known for one	300000 h	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
HDD number of headsKnown for one	Unknown — not stated by the source	2
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Poweridentical
Power consumption (typical)Known for one	6 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.2 W	Unknown — not stated by the source
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditions3 differ
Operating temperature (T-T)Differs	-20 - 80 °C	0 - 60 °C
Storage temperature (T-T)Differs	-40 - 85 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	8 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	1 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 4000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-300 - 12000 m	Unknown — not stated by the source
Operating shockDiffers	300 G	325 G
Weight & dimensions1 differ
WeightDiffers	960 g	102 g
Other featuresidentical
Drive ready timeKnown for one	3.5 s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	16 dB	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
InternalKnown for one	Unknown — not stated by the source	Yes

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.

More internal hard drive comparisons

All internal hard drive comparisons