Product comparison · 2 internal hard drives

Samsung 750GB Serial ATA II HDD vs Seagate EE25.2 Series™ 2.5-inch HD 80GB SATA

17specifications compared
14differ
3identical
10known for one product only

Key differences

The Samsung 750GB Serial ATA II HDD has 670 GB more HDD capacity than the Seagate EE25.2 Series™ 2.5-inch HD 80GB SATA (750 GB vs 80 GB). The Samsung 750GB Serial ATA II HDD has 1,800 RPM more HDD speed than the Seagate EE25.2 Series™ 2.5-inch HD 80GB SATA (7200 RPM vs 5400 RPM). The Samsung 750GB Serial ATA II HDD has 1" more HDD size than the Seagate EE25.2 Series™ 2.5-inch HD 80GB SATA (3.5" vs 2.5"). Operating voltage: 5 / 12 V on the Samsung 750GB Serial ATA II HDD, 5 V on the Seagate EE25.2 Series™ 2.5-inch HD 80GB SATA. Operating temperature (T-T): 0 - 60 °C on the Samsung 750GB Serial ATA II HDD, 20 - 75 °C on the Seagate EE25.2 Series™ 2.5-inch HD 80GB SATA.

HDD capacity
- 750GB Serial ATA II HDD:750 GB
- EE25.2 Series™ 2.5-inch HD 80GB SATA:80 GB
HDD speed
- 750GB Serial ATA II HDD:7200 RPM
- EE25.2 Series™ 2.5-inch HD 80GB SATA:5400 RPM
HDD size
- 750GB Serial ATA II HDD:3.5"
- EE25.2 Series™ 2.5-inch HD 80GB SATA:2.5"
Storage drive buffer size
- 750GB Serial ATA II HDD:16 MB
- EE25.2 Series™ 2.5-inch HD 80GB SATA:8 MB
Average seek time
- 750GB Serial ATA II HDD:8.9 ms
- EE25.2 Series™ 2.5-inch HD 80GB SATA:11 ms
Average latency
- 750GB Serial ATA II HDD:4.17 ms
- EE25.2 Series™ 2.5-inch HD 80GB SATA:5.5 ms
Operating voltage
- 750GB Serial ATA II HDD:5 / 12 V
- EE25.2 Series™ 2.5-inch HD 80GB SATA:5 V
Operating temperature (T-T)
- 750GB Serial ATA II HDD:0 - 60 °C
- EE25.2 Series™ 2.5-inch HD 80GB SATA:20 - 75 °C

Side by side

Differences highlightedShow differences only

Comparison of 750GB Serial ATA II HDD, EE25.2 Series™ 2.5-inch HD 80GB SATA
27 specifications	A Samsung 750GB Serial ATA II HDD View product	B Seagate EE25.2 Series™ 2.5-inch HD 80GB SATA View product
Features6 differ
HDD capacityDiffers	750 GB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceKnown for one	Serial ATA II	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	8 MB
Average seek timeDiffers	8.9 ms	11 ms
Average latencyDiffers	4.17 ms	5.5 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	7.9 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.8 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	20 - 75 °C
Storage temperature (T-T)Differs	-40 - 70 °C	40 - 85 °C
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeDiffers	-300 - 12000 m	15000
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.5 mm	69.8 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	640 g	102 g
Other featuresidentical
Power requirementsKnown for one	+5V±5%, +12V±10%	Unknown — not stated by the source
Drive ready timeKnown for one	12 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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