Product comparison · 2 internal hard drives

Samsung SATA II 1.5TB vs Seagate Constellation 500-GB SED

13specifications compared
10differ
3identical
27known for one product only

Key differences

HDD capacity
- SATA II 1.5TB:1.5 TB
- Constellation 500-GB SED:500 GB
HDD speed
- SATA II 1.5TB:5400 RPM
- Constellation 500-GB SED:7200 RPM
HDD size
- SATA II 1.5TB:3.5"
- Constellation 500-GB SED:2.5"
Storage drive buffer size
- SATA II 1.5TB:32 MB
- Constellation 500-GB SED:16 MB
Average latency
- SATA II 1.5TB:5.52 ms
- Constellation 500-GB SED:4.16 ms
Operating voltage
- SATA II 1.5TB:5 / 12 V
- Constellation 500-GB SED:5 V
Operating temperature (T-T)
- SATA II 1.5TB:0 - 60 °C
- Constellation 500-GB SED:5 - 55 °C
Weight
- SATA II 1.5TB:650 g
- Constellation 500-GB SED:227 g

Side by side

Differences highlightedShow differences only

Comparison of SATA II 1.5TB, Constellation 500-GB SED
40 specifications	A Samsung SATA II 1.5TB View product	B Seagate Constellation 500-GB SED View product
Features5 differ
HDD capacityDiffers	1.5 TB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
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	32 MB	16 MB
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyDiffers	5.52 ms	4.16 ms
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.8 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Power1 differ
Power consumption (standby)Known for one	1 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	1 W	Unknown — not stated by the source
Power consumption (idle)Known for one	5.1 W	Unknown — not stated by the source
Power consumption (read)Known for one	6.3 W	Unknown — not stated by the source
Power consumption (write)Known for one	6.3 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °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 altitudeKnown for one	-300 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-300 - 12000 m	Unknown — not stated by the source
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	650 g	227 g
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	14.8 mm
Other features2 differ
Dimensions (WxDxH)Differs	101.5 x 147 x 26.1 mm	70 x 100.5 x 14.8 mm
Data transfer rateDiffers	166 Gbit/s	6 Gbit/s
Drive ready timeKnown for one	12 s	Unknown — not stated by the source
Maximum data transfer rateKnown for one	300 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	Unknown — not stated by the source	12V
Card reader integratedKnown for one	Unknown — not stated by the source	No
Sustained data rateKnown for one	Unknown — not stated by the source	0 MB/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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