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
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer size	8 MB	8 MB
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
Operating voltage	5 V	5 V
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 relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
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
Internal	Yes	Yes
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