Product comparison · 2 internal hard drives

Samsung 80GB Serial ATA II HDD vs Seagate Momentus 4200.2 30 GB Ultra ATA/100

9specifications compared
5differ
4identical
21known for one product only

Key differences

The Samsung 80GB Serial ATA II HDD has 50 GB more HDD capacity than the Seagate Momentus 4200.2 30 GB Ultra ATA/100 (80 GB vs 30 GB). The Samsung 80GB Serial ATA II HDD has 1,200 RPM more HDD speed than the Seagate Momentus 4200.2 30 GB Ultra ATA/100 (5400 RPM vs 4200 RPM). The Samsung 80GB Serial ATA II HDD has 6 MB more storage drive buffer size than the Seagate Momentus 4200.2 30 GB Ultra ATA/100 (8 MB vs 2 MB). Interface: Serial ATA II on the Samsung 80GB Serial ATA II HDD, Ultra-ATA/100 on the Seagate Momentus 4200.2 30 GB Ultra ATA/100.

HDD capacity
- 80GB Serial ATA II HDD:80 GB
- Momentus 4200.2 30 GB Ultra ATA/100:30 GB
HDD speed
- 80GB Serial ATA II HDD:5400 RPM
- Momentus 4200.2 30 GB Ultra ATA/100:4200 RPM
Interface
- 80GB Serial ATA II HDD:Serial ATA II
- Momentus 4200.2 30 GB Ultra ATA/100:Ultra-ATA/100
Storage drive buffer size
- 80GB Serial ATA II HDD:8 MB
- Momentus 4200.2 30 GB Ultra ATA/100:2 MB
Average seek time
- 80GB Serial ATA II HDD:12 ms
- Momentus 4200.2 30 GB Ultra ATA/100:12.5 ms

Side by side

Differences highlightedShow differences only

Comparison of 80GB Serial ATA II HDD, Momentus 4200.2 30 GB Ultra ATA/100
30 specifications	A Samsung 80GB Serial ATA II HDD View product	B Seagate Momentus 4200.2 30 GB Ultra ATA/100 View product
Features5 differ
HDD capacityDiffers	80 GB	30 GB
HDD speedDiffers	5400 RPM	4200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Ultra-ATA/100
Storage drive buffer sizeDiffers	8 MB	2 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	12.5 ms
Average latency	5.6 ms	5.6 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
Component forKnown for one	Unknown — not stated by the source	Laptop
Poweridentical
Power consumption (standby)Known for one	0.3 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	0.2 W	Unknown — not stated by the source
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Non-operating altitudeKnown for one	15000	Unknown — not stated by the source
Operating shockKnown for one	300 G	Unknown — not stated by the source
Non-operating shockKnown for one	900 G	Unknown — not stated by the source
Weight & dimensionsidentical
Weight	100 g	100 g
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
Other featuresidentical
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
Internal	Yes	Yes
HDD transfer rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	69.85 x 100.2 x 9.5 mm

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