Product comparison · 2 internal hard drives

Samsung 1500GB HDD vs Samsung Spinpoint M HM640JI internal hard drive

18specifications compared
14differ
4identical
19known for one product only

Key differences

HDD capacity
- 1500GB HDD:1.5 TB
- Spinpoint M HM640JI internal hard drive:640 GB
HDD size
- 1500GB HDD:3.5"
- Spinpoint M HM640JI internal hard drive:2.5"
Interface
- 1500GB HDD:Serial ATA II
- Spinpoint M HM640JI internal hard drive:Serial ATA
Storage drive buffer size
- 1500GB HDD:32 MB
- Spinpoint M HM640JI internal hard drive:8 MB
Operating voltage
- 1500GB HDD:5 / 12 V
- Spinpoint M HM640JI internal hard drive:5 V
Operating temperature (T-T)
- 1500GB HDD:0 - 60 °C
- Spinpoint M HM640JI internal hard drive:5 - 55 °C
Operating altitude
- 1500GB HDD:-1000 - 10000 m
- Spinpoint M HM640JI internal hard drive:-300 - 3000 m
Non-operating altitude
- 1500GB HDD:-1000 - 40000 m
- Spinpoint M HM640JI internal hard drive:-400 - 15000 m

Side by side

Differences highlightedShow differences only

Comparison of 1500GB HDD, HM640JI
37 specifications	A Samsung 1500GB HDD View product	B Samsung Spinpoint M HM640JI internal hard drive Model HM640JI View product
Features4 differ
HDD capacityDiffers	1.5 TB	640 GB
HDD speed	5400 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	32 MB	8 MB
Track to track seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyKnown for one	5.56 ms	Unknown — not stated by the source
Bytes per sector	512	512
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 conditions5 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 altitudeDiffers	-1000 - 10000 m	-300 - 3000 m
Non-operating altitudeDiffers	-1000 - 40000 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	101.6 mm	69.8 mm
DepthDiffers	147 mm	100.3 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	690 g	119 g
Other featuresidentical
Power requirementsKnown for one	5V	Unknown — not stated by the source
Drive device, transfer rateKnown for one	300 MB/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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