Product comparison · 2 internal hard drives

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

24specifications compared
9differ
15identical
7known for one product only

Key differences

The Seagate 80GB 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 80GB 2.5" SATA II (5.6 ms vs 4.17 ms). The Seagate 80GB 2.5" SATA II has 0.1 A more start-up current than the Seagate 80GB 2.5" SATA (1.1 A vs 1 A). Interface: Serial ATA on the Seagate 80GB 2.5" SATA, Serial ATA II on the Seagate 80GB 2.5" SATA II.

HDD speed
- 80GB 2.5" SATA:5400 RPM
- 80GB 2.5" SATA II:7200 RPM
Interface
- 80GB 2.5" SATA:Serial ATA
- 80GB 2.5" SATA II:Serial ATA II
Average latency
- 80GB 2.5" SATA:5.6 ms
- 80GB 2.5" SATA II:4.17 ms
Start-up current
- 80GB 2.5" SATA:1 A
- 80GB 2.5" SATA II:1.1 A
Operating shock
- 80GB 2.5" SATA:350 G
- 80GB 2.5" SATA II:300 G
Non-operating shock
- 80GB 2.5" SATA:800 G
- 80GB 2.5" SATA II:900 G
Depth
- 80GB 2.5" SATA:100.8 mm
- 80GB 2.5" SATA II:100.5 mm
Height
- 80GB 2.5" SATA:9.7 mm
- 80GB 2.5" SATA II:9.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 80GB 2.5" SATA, 80GB 2.5" SATA II
31 specifications	A Seagate 80GB 2.5" SATA View product	B Seagate 80GB 2.5" SATA II View product
Features3 differ
HDD capacity	80 GB	80 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA II
Type	HDD	HDD
Component for	Laptop	Laptop
Storage drive buffer size	8 MB	8 MB
Average latencyDiffers	5.6 ms	4.17 ms
Read seek timeKnown for one	11 ms	Unknown — not stated by the source
Write seek timeKnown for one	13 ms	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.8 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.25 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.1 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.1 W
Operating voltage	5 V	5 V
Start-up currentDiffers	1 A	1.1 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	350 G	300 G
Non-operating shockDiffers	800 G	900 G
Weight & dimensions3 differ
Width	69.8 mm	69.8 mm
DepthDiffers	100.8 mm	100.5 mm
HeightDiffers	9.7 mm	9.5 mm
WeightDiffers	96 g	115 g
Other featuresidentical
Windows operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	59 MB/s

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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