Product comparison · 2 internal hard drives

Samsung Spinpoint F3 HD254GJ internal hard drive vs Samsung Spinpoint M HM100UI internal hard drive

28specifications compared
22differ
6identical
20known for one product only

Key differences

HDD capacity
- Spinpoint F3 HD254GJ internal hard drive:250 GB
- Spinpoint M HM100UI internal hard drive:1 TB
HDD speed
- Spinpoint F3 HD254GJ internal hard drive:7200 RPM
- Spinpoint M HM100UI internal hard drive:5400 RPM
HDD size
- Spinpoint F3 HD254GJ internal hard drive:3.5"
- Spinpoint M HM100UI internal hard drive:2.5"
Interface
- Spinpoint F3 HD254GJ internal hard drive:Serial ATA II
- Spinpoint M HM100UI internal hard drive:Serial ATA
Storage drive buffer size
- Spinpoint F3 HD254GJ internal hard drive:16 MB
- Spinpoint M HM100UI internal hard drive:8 MB
Average seek time
- Spinpoint F3 HD254GJ internal hard drive:8.9 ms
- Spinpoint M HM100UI internal hard drive:12 ms
Power consumption (standby)
- Spinpoint F3 HD254GJ internal hard drive:1 W
- Spinpoint M HM100UI internal hard drive:0.2 W
Power consumption (idle)
- Spinpoint F3 HD254GJ internal hard drive:4.8 W
- Spinpoint M HM100UI internal hard drive:0.7 W

Side by side

Differences highlightedShow differences only

Comparison of HD254GJ, HM100UI
48 specifications	A Samsung Spinpoint F3 HD254GJ internal hard drive Model HD254GJ View product	B Samsung Spinpoint M HM100UI internal hard drive Model HM100UI View product
Features6 differ
HDD capacityDiffers	250 GB	1 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	16 MB	8 MB
Average seek timeDiffers	8.9 ms	12 ms
Write speedKnown for one	300 MB/s	Unknown — not stated by the source
Read speedKnown for one	250 MB/s	Unknown — not stated by the source
Average latencyKnown for one	4.14 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Power6 differ
Power consumption (standby)Differs	1 W	0.2 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (idle)Differs	4.8 W	0.7 W
Power consumption (read)Differs	5.8 W	2.4 W
Power consumption (write)Differs	5.8 W	2.4 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	2 A	1.1 A
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Operating vibrationKnown for one	Unknown — not stated by the source	1.5Grms
Non-operating altitudeDiffers	-300 - 12000 m	-400 - 15000 m
Operating shockDiffers	70 G	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	800 G
Weight & dimensions4 differ
WidthDiffers	101.5 mm	69.8 mm
DepthDiffers	147 mm	1000.3 mm
HeightDiffers	26.1 mm	12.5 mm
WeightDiffers	475 g	150 g
Other features3 differ
Power requirementsDiffers	+5V±5%	5 +/-5%
Ethernet LANKnown for one	Unknown — not stated by the source	No
Product colourDiffers	Stainless steel	Black
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows7
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
Drive ready timeKnown for one	Unknown — not stated by the source	5 s
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
Maximum data transfer rateDiffers	37.5 Mbit/s	1081 Mbit/s
Relative humidityKnown for one	Unknown — not stated by the source	5 - 90%
HDD transfer rateKnown for one	31.25 Mbit/s	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	101.5 x 147 x 26.1 mm	Unknown — not stated by the source
Compliance industry standardsKnown for one	ATA S.M.A.R.T., RoHS	Unknown — not stated by the source
Supported HDD interfacesKnown for one	Serial ATA, Serial ATA II	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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