Product comparison · 2 internal hard drives

Seagate 1000GB 3.5 vs Seagate 500GB 2.5

Key differences

Differences highlightedShow differences only

Comparison of 1000GB 3.5, 500GB 2.5
25 specifications	A Seagate 1000GB 3.5 View product	B Seagate 500GB 2.5 View product
Features4 differ
HDD capacityDiffers	1 TB	500 GB
HDD sizeDiffers	3.5"	2.5"
HDD interface transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Write seek timeDiffers	10 ms	9.5 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Differs	750000 h	1200000 h
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	3.5 W
Power consumption (idle)Known for one	Unknown — not stated by the source	2.6 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	2.4 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	14.8 mm
WeightDiffers	640 g	196 g
Other featuresidentical
Sustained data rateKnown for one	115 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.