Product comparison · 2 internal hard drives

Samsung 250GB EcoGreen F3 vs Samsung Spinpoint M HM640JI internal hard drive

17specifications compared
13differ
4identical
20known for one product only

Key differences

HDD capacity
- 250GB EcoGreen F3:250 GB
- Spinpoint M HM640JI internal hard drive:640 GB
HDD size
- 250GB EcoGreen F3:3.5"
- Spinpoint M HM640JI internal hard drive:2.5"
Interface
- 250GB EcoGreen F3:Serial ATA II
- Spinpoint M HM640JI internal hard drive:Serial ATA
Storage drive buffer size
- 250GB EcoGreen F3:16 MB
- Spinpoint M HM640JI internal hard drive:8 MB
Operating voltage
- 250GB EcoGreen F3:5 / 12 V
- Spinpoint M HM640JI internal hard drive:5 V
Operating temperature (T-T)
- 250GB EcoGreen F3:0 - 60 °C
- Spinpoint M HM640JI internal hard drive:5 - 55 °C
Non-operating altitude
- 250GB EcoGreen F3:-300 - 12000 m
- Spinpoint M HM640JI internal hard drive:-400 - 15000 m
Operating shock
- 250GB EcoGreen F3:70 G
- Spinpoint M HM640JI internal hard drive:325 G

Side by side

Differences highlightedShow differences only

Comparison of 250GB EcoGreen F3, HM640JI
37 specifications	A Samsung 250GB EcoGreen F3 View product	B Samsung Spinpoint M HM640JI internal hard drive Model HM640JI View product
Features4 differ
HDD capacityDiffers	250 GB	640 GB
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	16 MB	8 MB
Track to track seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyKnown for one	5.52 ms	Unknown — not stated by the source
Bytes per sector	512	512
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Power1 differ
Power consumption (standby)Known for one	1 W	Unknown — not stated by the source
Power consumption (off)Known for one	1 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions4 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °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 altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitudeDiffers	-300 - 12000 m	-400 - 15000 m
Operating shockDiffers	70 G	325 G
Non-operating shockDiffers	300 G	900 G
Operating vibrationKnown for one	Unknown — not stated by the source	1.5 G
Weight & dimensions4 differ
WidthDiffers	101.5 mm	69.8 mm
DepthDiffers	147 mm	100.3 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	475 g	119 g
Other featuresidentical
Power requirementsKnown for one	5V	Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Drive ready timeKnown for one	8 s	Unknown — not stated by the source
Internal	Yes	Yes
Ethernet LANKnown for one	Unknown — not stated by the source	No
Fibre ChannelKnown for one	Unknown — not stated by the source	No
FireWire 400Known for one	Unknown — not stated by the source	No
FireWire 800Known for one	Unknown — not stated by the source	No
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
USB poweredKnown for one	Unknown — not stated by the source	No

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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