Solid State Drive (SSD) vs Hard Disk Drive (HDD)

SSD Vs HDD Comparison
Now it’s time to do some comparisons and determine which might be best for your individual needs - SSD or HDD?  The best way to compare items is a table with a side by side comparison of items in which a green box indicates an advantage:

AttributeSSD (Solid State Drive)HDD (Hard Disk Drive)
Power Draw / Battery LifeLess power draw, averages 2 – 3 watts, resulting in 30+ minute battery boostMore power draw, averages 6 – 7 watts and therefore uses more battery
CostExpensive, roughly $0.10 per gigabyte (based on buying a 1TB drive)Only around $0.06 per gigabyte, very cheap (buying a 4TB model)
CapacityTypically not larger than 1TB for notebook size drives; 1TB max for desktopsTypically around 500GB and 2TB maximum for notebook size drives; 6TB max for desktops
Operating System Boot TimeAround 10-13 seconds average bootup timeAround 30-40 seconds average bootup time
NoiseThere are no moving parts and as such no soundAudible clicks and spinning can be heard
VibrationNo vibration as there are no moving partsThe spinning of the platters can sometimes result in vibration
Heat ProducedLower power draw and no moving parts so little heat is producedHDD doesn’t produce much heat, but it will have a measurable amount more heat than an SSD due to moving parts and higher power draw
Failure RateMean time between failure rate of 2.0 million hoursMean time between failure rate of 1.5 million hours
File Copy / Write SpeedGenerally above 200 MB/s and up to 550 MB/s for cutting edge drivesThe range can be anywhere from 50 – 120MB / s
EncryptionFull Disk Encryption (FDE)Supported on some modelsFull Disk Encryption (FDE) Supported on some models
File Opening SpeedUp to 30% faster than HDDSlower than SSD
Magnetism Affected?An SSD is safe from any effects of magnetismMagnets can erase data

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