Product comparison · 2 internal hard drives

Samsung 640GB HDD vs Samsung Spinpoint S HD081GJ internal hard drive

20specifications compared
11differ
9identical
9known for one product only

Key differences

The Samsung 640GB HDD has 560 GB more HDD capacity than the Samsung Spinpoint S HD081GJ internal hard drive (640 GB vs 80 GB). The Samsung 640GB HDD has 14 MB more storage drive buffer size than the Samsung Spinpoint S HD081GJ internal hard drive (16 MB vs 2 MB). The Samsung Spinpoint S HD081GJ internal hard drive has 0.32 W more power consumption (standby) than the Samsung 640GB HDD (1.5 W vs 1.18 W). Average seek time: 8.9 ms on the Samsung 640GB HDD, 8.90 ms on the Samsung Spinpoint S HD081GJ internal hard drive. Operating altitude: -300 - 3000 m on the Samsung 640GB HDD, -300 - 3.000 m on the Samsung Spinpoint S HD081GJ internal hard drive.

HDD capacity
- 640GB HDD:640 GB
- Spinpoint S HD081GJ internal hard drive:80 GB
Storage drive buffer size
- 640GB HDD:16 MB
- Spinpoint S HD081GJ internal hard drive:2 MB
Average seek time
- 640GB HDD:8.9 ms
- Spinpoint S HD081GJ internal hard drive:8.90 ms
Power consumption (standby)
- 640GB HDD:1.18 W
- Spinpoint S HD081GJ internal hard drive:1.5 W
Operating altitude
- 640GB HDD:-300 - 3000 m
- Spinpoint S HD081GJ internal hard drive:-300 - 3.000 m
Non-operating shock
- 640GB HDD:300 G
- Spinpoint S HD081GJ internal hard drive:350 G
Width
- 640GB HDD:101.5 mm
- Spinpoint S HD081GJ internal hard drive:101.6 mm
Depth
- 640GB HDD:147 mm
- Spinpoint S HD081GJ internal hard drive:146 mm

Side by side

Differences highlightedShow differences only

Comparison of 640GB HDD, HD081GJ
29 specifications	A Samsung 640GB HDD View product	B Samsung Spinpoint S HD081GJ internal hard drive Model HD081GJ View product
Features3 differ
HDD capacityDiffers	640 GB	80 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceKnown for one	Serial ATA II	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	2 MB
Average seek timeDiffers	8.9 ms	8.90 ms
Average latency	4.17 ms	4.17 ms
Bytes per sector	512	512
Start/stop cycles	50000	50000
Power1 differ
Power consumption (typical)Known for one	8.56 W	Unknown — not stated by the source
Power consumption (standby)Differs	1.18 W	1.5 W
Power consumption (PowerSave)Known for one	1.18 W	Unknown — not stated by the source
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Operational conditions2 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	-300 - 3.000 m
Non-operating altitude	-300 - 12000 m	-300 - 12000 m
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockDiffers	300 G	350 G
Weight & dimensions4 differ
WidthDiffers	101.5 mm	101.6 mm
DepthDiffers	147 mm	146 mm
HeightDiffers	26.1 mm	25.4 mm
WeightDiffers	610 g	449 g
Other features1 differ
Drive ready timeDiffers	12 s	8 s
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
InternalKnown 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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