Product comparison · 2 internal hard drives

Samsung MH80 120GB SATA Hybrid HDD vs Seagate EE25.2 Series™ 2.5-inch HD 40GB SATA

13specifications compared
9differ
4identical
17known for one product only

Key differences

The Samsung MH80 120GB SATA Hybrid HDD has 80 GB more HDD capacity than the Seagate EE25.2 Series™ 2.5-inch HD 40GB SATA (120 GB vs 40 GB). The Samsung MH80 120GB SATA Hybrid HDD has 1 ms more average seek time than the Seagate EE25.2 Series™ 2.5-inch HD 40GB SATA (12 ms vs 11 ms). The Samsung MH80 120GB SATA Hybrid HDD has 0.1 ms more average latency than the Seagate EE25.2 Series™ 2.5-inch HD 40GB SATA (5.6 ms vs 5.5 ms). Interface: Serial ATA II on the Samsung MH80 120GB SATA Hybrid HDD, Serial ATA on the Seagate EE25.2 Series™ 2.5-inch HD 40GB SATA. Operating temperature (T-T): 5 - 55 °C on the Samsung MH80 120GB SATA Hybrid HDD, 20 - 75 °C on the Seagate EE25.2 Series™ 2.5-inch HD 40GB SATA.

HDD capacity
- MH80 120GB SATA Hybrid HDD:120 GB
- EE25.2 Series™ 2.5-inch HD 40GB SATA:40 GB
Interface
- MH80 120GB SATA Hybrid HDD:Serial ATA II
- EE25.2 Series™ 2.5-inch HD 40GB SATA:Serial ATA
Average seek time
- MH80 120GB SATA Hybrid HDD:12 ms
- EE25.2 Series™ 2.5-inch HD 40GB SATA:11 ms
Average latency
- MH80 120GB SATA Hybrid HDD:5.6 ms
- EE25.2 Series™ 2.5-inch HD 40GB SATA:5.5 ms
Operating temperature (T-T)
- MH80 120GB SATA Hybrid HDD:5 - 55 °C
- EE25.2 Series™ 2.5-inch HD 40GB SATA:20 - 75 °C
Width
- MH80 120GB SATA Hybrid HDD:100.1 mm
- EE25.2 Series™ 2.5-inch HD 40GB SATA:69.8 mm
Depth
- MH80 120GB SATA Hybrid HDD:69.8 mm
- EE25.2 Series™ 2.5-inch HD 40GB SATA:100.2 mm
Height
- MH80 120GB SATA Hybrid HDD:9.39 mm
- EE25.2 Series™ 2.5-inch HD 40GB SATA:9.5 mm

Side by side

Differences highlightedShow differences only

Comparison of MH80 120GB SATA Hybrid HDD, EE25.2 Series™ 2.5-inch HD 40GB SATA
30 specifications	A Samsung MH80 120GB SATA Hybrid HDD View product	B Seagate EE25.2 Series™ 2.5-inch HD 40GB SATA View product
Features4 differ
HDD capacityDiffers	120 GB	40 GB
HDD speed	5400 RPM	5400 RPM
InterfaceDiffers	Serial ATA II	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
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Poweridentical
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
Start-up currentKnown for one	0.9 A	Unknown — not stated by the source
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	20 - 75 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
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
Storage temperature (T-T)Known for one	Unknown — not stated by the source	40 - 85 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Non-operating altitudeKnown for one	Unknown — not stated by the source	15000
Weight & dimensions4 differ
WidthDiffers	100.1 mm	69.8 mm
DepthDiffers	69.8 mm	100.2 mm
HeightDiffers	9.39 mm	9.5 mm
WeightDiffers	99 g	102 g
Other featuresidentical
Power requirementsKnown for one	+5V±5%	Unknown — not stated by the source
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
Flash memoryKnown for one	256 MB	Unknown — not stated by the source
Internal	Yes	Yes
Acoustic pressure emissionsKnown for one	0.24 dB	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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