HDD vs SSD

exerpts from install.log (“-total-” is the time for a complete OS X Lion (10.7) upgrade)…

HDD

• macbook aluminum (late2008)
• 2.0 GHz Intel Core 2 Duo
• 160GB HDD (Toshiba MK1653GSX, >90GB free space)

Operation Elapsed time
-----------------------------
script 0.00 seconds
os 0.04 seconds
crsp 596.19 seconds
reap 1867.02 seconds
presize 235.28 seconds
disk 626.93 seconds
zero 0.48 seconds
install 812.89 seconds
migrate 340.80 seconds
-total- 4479.63 seconds

SDD

• macbook pro (early 2011)
• 2.3 GHz Intel Core i5
• 256GB SSD (Crucial RealSSD C300-CTFDDAC256MAG, <50GB free space)

Operation Elapsed time
-----------------------------
script 0.00 seconds
os 0.01 seconds
crsp 120.43 seconds
reap 60.32 seconds
presize 31.88 seconds
disk 71.00 seconds
zero 0.05 seconds
install 305.86 seconds
migrate 96.63 seconds
-total- 686.16 seconds