Pvp xp varies?

So i noticed a win could give 600-400 pvp experience based on performance. Is this new
never noticed it before. This is great in slaughter but in seize, the point is to capture and keep/steal towers. Seizing towers or helping guard a tower that isn't under attack gets you the minimum. While just running around chasing kills earns you the max reward if your team happens to win. I know this is needed but at least take captures in count, capturing 4 of those things for 400 xp sucks.

are you sure its not just the loss streak bonuses you get? they also apply to your first win before resetting

Might be , just noticed the rewards varied. Thanks.