Product comparison · 2 internal hard drives

Seagate 100GB 2.5" SATA II vs Seagate 80GB 2.5" SATA

24specifications compared
10differ
14identical
8known for one product only

Key differences

The Seagate 100GB 2.5" SATA II has 20 GB more HDD capacity than the Seagate 80GB 2.5" SATA (100 GB vs 80 GB). The Seagate 100GB 2.5" SATA II has 1,800 RPM more HDD speed than the Seagate 80GB 2.5" SATA (7200 RPM vs 5400 RPM). The Seagate 80GB 2.5" SATA has 1.43 ms more average latency than the Seagate 100GB 2.5" SATA II (5.6 ms vs 4.17 ms). Interface: Serial ATA II on the Seagate 100GB 2.5" SATA II, Serial ATA on the Seagate 80GB 2.5" SATA.

HDD capacity
- 100GB 2.5" SATA II:100 GB
- 80GB 2.5" SATA:80 GB
HDD speed
- 100GB 2.5" SATA II:7200 RPM
- 80GB 2.5" SATA:5400 RPM
Interface
- 100GB 2.5" SATA II:Serial ATA II
- 80GB 2.5" SATA:Serial ATA
Average latency
- 100GB 2.5" SATA II:4.17 ms
- 80GB 2.5" SATA:5.6 ms
Start-up current
- 100GB 2.5" SATA II:1.1 A
- 80GB 2.5" SATA:1 A
Operating shock
- 100GB 2.5" SATA II:300 G
- 80GB 2.5" SATA:350 G
Non-operating shock
- 100GB 2.5" SATA II:900 G
- 80GB 2.5" SATA:800 G
Depth
- 100GB 2.5" SATA II:100.5 mm
- 80GB 2.5" SATA:100.8 mm

Side by side

Differences highlightedShow differences only

Comparison of 100GB 2.5" SATA II, 80GB 2.5" SATA
32 specifications	A Seagate 100GB 2.5" SATA II View product	B Seagate 80GB 2.5" SATA View product
Features4 differ
HDD capacityDiffers	100 GB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Type	HDD	HDD
Component for	Laptop	Laptop
Storage drive buffer size	8 MB	8 MB
HDD number of headsKnown for one	3	Unknown — not stated by the source
Average latencyDiffers	4.17 ms	5.6 ms
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Power1 differ
Power consumption (standby)Known for one	0.8 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.25 W	Unknown — not stated by the source
Power consumption (read)Known for one	2.1 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.1 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
Start-up currentDiffers	1.1 A	1 A
Operational conditions2 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-60.96 - 3048 m	-60.96 - 3048 m
Non-operating altitude	-60.96 - 12192 m	-60.96 - 12192 m
Operating shockDiffers	300 G	350 G
Non-operating shockDiffers	900 G	800 G
Weight & dimensions3 differ
Width	69.8 mm	69.8 mm
DepthDiffers	100.5 mm	100.8 mm
HeightDiffers	9.5 mm	9.7 mm
WeightDiffers	115 g	96 g
Other featuresidentical
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Sustained data rateKnown for one	59 MB/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.

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