Product comparison · 2 internal hard drives

Samsung 1000GB HDD vs Seagate 320GB 2.5" SATA II

22specifications compared
15differ
7identical
13known for one product only

Key differences

HDD capacity
- 1000GB HDD:1 TB
- 320GB 2.5" SATA II:320 GB
HDD speed
- 1000GB HDD:7200 RPM
- 320GB 2.5" SATA II:5400 RPM
HDD size
- 1000GB HDD:3.5"
- 320GB 2.5" SATA II:2.5"
Storage drive buffer size
- 1000GB HDD:32 MB
- 320GB 2.5" SATA II:8 MB
Average latency
- 1000GB HDD:4.17 ms
- 320GB 2.5" SATA II:5.56 ms
Start/stop cycles
- 1000GB HDD:50000
- 320GB 2.5" SATA II:600000
Power consumption (standby)
- 1000GB HDD:1.2 W
- 320GB 2.5" SATA II:0.205 W
Operating voltage
- 1000GB HDD:5 / 12 V
- 320GB 2.5" SATA II:5 V

Side by side

Differences highlightedShow differences only

Comparison of 1000GB HDD, 320GB 2.5" SATA II
35 specifications	A Samsung 1000GB HDD View product	B Seagate 320GB 2.5" SATA II View product
Features6 differ
HDD capacityDiffers	1 TB	320 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA II	Serial ATA II
Type	HDD	HDD
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeDiffers	32 MB	8 MB
HDD number of headsKnown for one	Unknown — not stated by the source	4
Average latencyDiffers	4.17 ms	5.56 ms
Bytes per sector	512	512
Start/stop cyclesDiffers	50000	600000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	500000 h
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Power2 differ
Power consumption (standby)Differs	1.2 W	0.205 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.685 W
Power consumption (read)Known for one	Unknown — not stated by the source	1.6 W
Power consumption (write)Known for one	Unknown — not stated by the source	1.6 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditions3 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitudeDiffers	-300 - 3000 m	-304.8 - 3048 m
Non-operating altitudeDiffers	-300 - 12000 m	-304.8 - 3048 m
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockDiffers	300 G	1000 G
Weight & dimensions4 differ
WidthDiffers	101.5 mm	69.8 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	640 g	110 g
Other featuresidentical
Dimensions (WxDxH)Known for one	101.5 x 147 x 26.1 mm	Unknown — not stated by the source
Drive device, transfer rateKnown for one	300 MB/s	Unknown — not stated by the source
Drive ready timeKnown for one	12 s	Unknown — not stated by the source
InternalKnown for one	Yes	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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