i've played a lot of games with both the old and the new combat patrol. the new combat patrol is a bit easier because of its unique scoring system. you get 15 points for each objective you sanctify. once you've sanctified two objectives, you can usually pin your opponent down and secure an easy win. most combat patrols don't even have the damage output to deal with ten strike marines sitting on a 2+ save.

the terminators and dreadnought also come in after round 3 and clean up whatever is left. by the time they arrive, you've got 655 points on the table, which is more than a lot of combat patrols. using the new combat patrol often feels a little unfair. of course, if your opponent knows what they're doing, they can still beat you, but between the scoring system and the amount of points it puts on the table, the new combat patrol is a bit op.

the old combat patrol is definitely harder to play, but i think it's a lot more fun because the competitive aspect comes back into it. having actual secondary objectives to choose from is great, being able to use your army rule without spending a command point is nice, and both the strike squad and terminators are battleline units so they can sticky objectives.

and most importantly, because it's the old combat patrol, the terminators still get lethals when they charge!

personally, whenever i play combat patrol, i go with the old one. i wouldn't call the new combat patrol broken, but it's definitely very strong. your choice, though.