-Barrel life: 7mm-08 > 6.5 creedmoor
-Brass availability: 7mm-08 > 6.5 Creedmor; quality is up for debate depending on what manufacturer you pick.
-Factory match ammo: Hornady for 6.5 Creedmoor. Corbon for 168gr VLD.
-500+ yard ballistics: depends on how fast you push them
-Recoil: 6.5 creedmoor < 7mm-08
-162gr AMAX (7mm)BC G1 0.625 vs. 140gr AMAX (6.5) BC 0.550
The main advantage of 6.5 Creedmoor over 7mm-08 will be less recoil.
Why not make the comparison a little more even with berger VLDs rather than having the BC little offset? Or is he only wanting to shoot amax?
Berger Hunting VLD:
6.5(140gr) .612 7mm(168gr) .617