Product comparison · 2 internal hard drives

Samsung 320GB Serial ATA II HDD vs Seagate 100GB 2.5" SATA

13specifications compared
9differ
4identical
27known for one product only

Key differences

HDD capacity
- 320GB Serial ATA II HDD:320 GB
- 100GB 2.5" SATA:100 GB
HDD speed
- 320GB Serial ATA II HDD:7200 RPM
- 100GB 2.5" SATA:5400 RPM
HDD size
- 320GB Serial ATA II HDD:3.5"
- 100GB 2.5" SATA:2.5"
Interface
- 320GB Serial ATA II HDD:Serial ATA II
- 100GB 2.5" SATA:Serial ATA
Storage drive buffer size
- 320GB Serial ATA II HDD:16 MB
- 100GB 2.5" SATA:8 MB
Average latency
- 320GB Serial ATA II HDD:4.17 ms
- 100GB 2.5" SATA:5.6 ms
Operating voltage
- 320GB Serial ATA II HDD:5 / 12 V
- 100GB 2.5" SATA:5 V
Operating shock
- 320GB Serial ATA II HDD:63 G
- 100GB 2.5" SATA:350 G

Side by side

Differences highlightedShow differences only

Comparison of 320GB Serial ATA II HDD, 100GB 2.5" SATA
40 specifications	A Samsung 320GB Serial ATA II HDD View product	B Seagate 100GB 2.5" SATA View product
Features6 differ
HDD capacityDiffers	320 GB	100 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
TypeKnown for one	Unknown — not stated by the source	HDD
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeDiffers	16 MB	8 MB
HDD number of headsKnown for one	Unknown — not stated by the source	3
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyDiffers	4.17 ms	5.6 ms
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	600000 h	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.6 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Power consumption (typical)Known for one	8 W	Unknown — not stated by the source
Operational conditions2 differ
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Operating shockDiffers	63 G	350 G
Non-operating shockDiffers	350 G	800 G
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
Other featuresidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
HDD transfer rateKnown for one	300 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	+5V; +12V	Unknown — not stated by the source
Drive ready timeKnown for one	10 s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.4 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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