Product comparison · 2 internal hard drives

Samsung HD642JJ + 20PK Kit vs Samsung SpinPoint EcoGreen F1 DT 1TB

22specifications compared
8differ
14identical
9known for one product only

Key differences

HDD capacity
- HD642JJ + 20PK Kit:640 GB
- SpinPoint EcoGreen F1 DT 1TB:1 TB
HDD speed
- HD642JJ + 20PK Kit:7200 RPM
- SpinPoint EcoGreen F1 DT 1TB:5400 RPM
Interface
- HD642JJ + 20PK Kit:Serial ATA II
- SpinPoint EcoGreen F1 DT 1TB:Serial ATA
Storage drive buffer size
- HD642JJ + 20PK Kit:16 MB
- SpinPoint EcoGreen F1 DT 1TB:32 MB
Average latency
- HD642JJ + 20PK Kit:4.17 ms
- SpinPoint EcoGreen F1 DT 1TB:5.52 ms
Power consumption (typical)
- HD642JJ + 20PK Kit:8.56 W
- SpinPoint EcoGreen F1 DT 1TB:5.6 W
Power consumption (standby)
- HD642JJ + 20PK Kit:1.18 W
- SpinPoint EcoGreen F1 DT 1TB:0.5 W
Weight
- HD642JJ + 20PK Kit:610 g
- SpinPoint EcoGreen F1 DT 1TB:640 g

Side by side

Differences highlightedShow differences only

Comparison of HD642JJ + 20PK Kit, SpinPoint EcoGreen F1 DT 1TB
31 specifications	A Samsung HD642JJ + 20PK Kit View product	B Samsung SpinPoint EcoGreen F1 DT 1TB View product
Features5 differ
HDD capacityDiffers	640 GB	1 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
InterfaceDiffers	Serial ATA II	Serial ATA
Storage drive buffer sizeDiffers	16 MB	32 MB
Average seek time	8.9 ms	8.9 ms
Average latencyDiffers	4.17 ms	5.52 ms
Bytes per sector	512	512
Start/stop cycles	50000	50000
Power2 differ
Power consumption (typical)Differs	8.56 W	5.6 W
Power consumption (standby)Differs	1.18 W	0.5 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
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditionsidentical
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 altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-300 - 12000 m	-300 - 12000 m
Operating shock	70 G	70 G
Non-operating shock	300 G	300 G
Weight & dimensions1 differ
WidthKnown for one	101.5 mm	Unknown — not stated by the source
DepthKnown for one	147 mm	Unknown — not stated by the source
HeightKnown for one	26.1 mm	Unknown — not stated by the source
WeightDiffers	610 g	640 g
Other featuresidentical
Dimensions (WxDxH)	101.5 x 147 x 26.1 mm	101.5 x 147 x 26.1 mm
Drive ready time	12 s	12 s
Internal	Yes	Yes
Power requirementsKnown for one	Unknown — not stated by the source	+5V±5%, +12V±10%
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s

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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