Product comparison · 2 internal hard drives

Samsung 120GB Serial ATA I HDD vs Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA

13specifications compared
5differ
8identical
17known for one product only

Key differences

The Samsung 120GB Serial ATA I HDD has 90 GB more HDD capacity than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (120 GB vs 30 GB). The Samsung 120GB Serial ATA I HDD has 1 ms more average seek time than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (12 ms vs 11 ms). The Samsung 120GB Serial ATA I HDD has 0.1 ms more average latency than the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA (5.6 ms vs 5.5 ms). Operating temperature (T-T): 5 - 55 °C on the Samsung 120GB Serial ATA I HDD, 30 - 85 °C on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA. Storage temperature (T-T): -40 - 70 °C on the Samsung 120GB Serial ATA I HDD, 40 - 95 °C on the Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA.

HDD capacity
- 120GB Serial ATA I HDD:120 GB
- EE25.2 Series™ 2.5-inch HD 30GB SATA:30 GB
Average seek time
- 120GB Serial ATA I HDD:12 ms
- EE25.2 Series™ 2.5-inch HD 30GB SATA:11 ms
Average latency
- 120GB Serial ATA I HDD:5.6 ms
- EE25.2 Series™ 2.5-inch HD 30GB SATA:5.5 ms
Operating temperature (T-T)
- 120GB Serial ATA I HDD:5 - 55 °C
- EE25.2 Series™ 2.5-inch HD 30GB SATA:30 - 85 °C
Storage temperature (T-T)
- 120GB Serial ATA I HDD:-40 - 70 °C
- EE25.2 Series™ 2.5-inch HD 30GB SATA:40 - 95 °C

Side by side

Differences highlightedShow differences only

Comparison of 120GB Serial ATA I HDD, EE25.2 Series™ 2.5-inch HD 30GB SATA
30 specifications	A Samsung 120GB Serial ATA I HDD View product	B Seagate EE25.2 Series™ 2.5-inch HD 30GB SATA View product
Features3 differ
HDD capacityDiffers	120 GB	30 GB
Full stroke seek timeKnown for one	22 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	2 ms	Unknown — not stated by the source
Average seek timeDiffers	12 ms	11 ms
Average latencyDiffers	5.6 ms	5.5 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	330000 h	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	2.1 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.25 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	0.2 W	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	30 - 85 °C
Storage temperature (T-T)Differs	-40 - 70 °C	40 - 95 °C
Operating shockKnown for one	325 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Non-operating altitudeKnown for one	Unknown — not stated by the source	15000
Other featuresidentical
Power requirementsKnown for one	+5V	Unknown — not stated by the source
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.2 dB	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.2 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	102 g

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