I would say ride them both and see which you like better...sometimes one just feels right. I was convinced I was getting a Trek, so I went to ride a DS and an XC -- as soon as I also test rode the cannondale trail 5 29er, I knew it was the bike for me.
You'll notice a difference in feel between the bikes for sure. The Crave 29er is a similar bike to the Cannondale you posted. The RH Pro Evo has more slack geometry, 20mm more suspension travel, a 15mm thru axle fork, Clutch rear derailleur, 2x10 drivetrain with bash guard, etc... It's also slightly heavier than the Crave. Take the advice above and ride both and pick whatever feels best to you. It would also help to test ride other bikes in that price range too.
It's all about what is comfortable for you, not everyone has the same torso or leg length, what is comfortable for one May not be as comfortable to the next person. Ride them and figure it out for yourself....
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