We had this conversation in 2012 and 2013 already. AS himself has acknowledged the answer.
Jones is basically a larger AS dominating larger people. AS is smarter and more technical and has more punching power. AS's advantages wouldn't do him any good though. AS's biggest strengths during his career were size and people being afraid of him(contrast decision Sonnen knocking AS down to brutal strikers like Rich and Vitor who got caught standing still) cause those things gave him space to hit his opponent, be creative and use that head of his.
Safe to say with Jones neither of these crucial things AS relied on during his career would be around. Jones is larger and Jones thinks he's the GOAT, and even if he doesn't likely goes on to fights on coke which removes doubts in people's minds. To put in perspective, Machida was probably a better version of AS, AS said Machida was better as well. Jones almost killed Machida(fact Machida won the first round probably contributed to that).
Jones is larger, Jones is more likely to catch prime AS when AS's standing there thinking of something to do, cause AS's spends a lot of time standing around around thinking of things to do. Guys AS fought mostly couldn't do shit about that. Jones would annihilate him.
Per the power, we already know heavy hands aren't enough to defeat Jones because Jones has beaten countless highlight reel KO artists. Heaviest knee that ever hit Jones ALMOST NEVER even gets mentioned, dude has a chin of steel that's so good people don't even know he has it. AS again got knocked down by Chael Sonnen, dude's chin wasn't so great it just didn't get tested all too often because of the advantages mentioned before. I contend same is true of Chuck, dude was fighting in his mid 30's and Dana's like "Chucks chin isn't what it used to be", Chuck spent his mid to late 30's fighting wrestlers like Randy, Babalu and Tito, how the fuck would someone know if Chuck's chin gave out? Same with AS, after Hendo he mostly was able to avoid guys who could hurt him(except Vitor who acted terrified of him in the Octagon). Jones don't got heavy hands but he has a lot more ways to hurt AS than Chael did. Chael wasn't afraid of AS and he was able to like break records for how many strikes he landed. Jones might not have power but if Jones hits prime AS 200 times he's out of there.