Product comparison · 2 internal hard drives

Seagate 1TB SATA II 2.5" vs Seagate XT 750GB 2.5" 7.2k SATA 6Gb/s

16specifications compared
11differ
5identical
19known for one product only

Key differences

HDD capacity
- 1TB SATA II 2.5":1 TB
- XT 750GB 2.5" 7.2k SATA 6Gb/s:750 GB
HDD speed
- 1TB SATA II 2.5":5400 RPM
- XT 750GB 2.5" 7.2k SATA 6Gb/s:7200 RPM
Interface
- 1TB SATA II 2.5":Serial ATA II
- XT 750GB 2.5" 7.2k SATA 6Gb/s:Serial ATA III
Average latency
- 1TB SATA II 2.5":5.6 ms
- XT 750GB 2.5" 7.2k SATA 6Gb/s:4.2 ms
Operating temperature (T-T)
- 1TB SATA II 2.5":5 - 55 °C
- XT 750GB 2.5" 7.2k SATA 6Gb/s:0 - 60 °C
Operating shock
- 1TB SATA II 2.5":325 G
- XT 750GB 2.5" 7.2k SATA 6Gb/s:350 G
Non-operating shock
- 1TB SATA II 2.5":750 G
- XT 750GB 2.5" 7.2k SATA 6Gb/s:1000 G
Width
- 1TB SATA II 2.5":100.3 mm
- XT 750GB 2.5" 7.2k SATA 6Gb/s:70.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 1TB SATA II 2.5", XT 750GB 2.5" 7.2k SATA 6Gb/s
35 specifications	A Seagate 1TB SATA II 2.5"View product	B Seagate XT 750GB 2.5" 7.2k SATA 6Gb/s View product
Features4 differ
HDD capacityDiffers	1 TB	750 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA III
Component for	Laptop	Laptop
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Average latencyDiffers	5.6 ms	4.2 ms
Poweridentical
Power consumption (standby)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (read)Known for one	2.2 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.2 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Power consumption (idle)Known for one	Unknown — not stated by the source	1.1 W
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
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
Operating vibrationKnown for one	1.5 G	Unknown — not stated by the source
Operating altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-400 - 15000 m	Unknown — not stated by the source
Operating shockDiffers	325 G	350 G
Non-operating shockDiffers	750 G	1000 G
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	100.3 mm	70.1 mm
DepthDiffers	69.8 mm	100.5 mm
HeightDiffers	9.5 mm	9.7 mm
WeightDiffers	107 g	115 g
Other featuresidentical
Drive ready timeKnown for one	4 s	Unknown — not stated by the source
Internal	Yes	Yes
Number of products includedKnown for one	Unknown — not stated by the source	1 pc(s)
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac 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

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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