Cam Duration Vs Lift

this one from engle seems pretty kick ***:
Part #: 2306-V
Grind #: KV-6
Int. 612" Ex. 612"/Int. 301° Ex. 301°/Int. @ .050" 272° Ex. @ .050" 272°/108°

this is the one from UltraDyne looks to be almost god like lol:
Grind #: R93
Int. .611" Ex. .611"/ Int. 304° Ex. 304°/ Int. Dur @ .050" 268° Ex.Dur @ .050" 268°/ 110° lsa