@Stefan:Hello, friend!

Your GPU bound was ONLY 68% - it isn't normal - try to enable full screen EXCLUSIVE for almost full GPU usage.

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All max settings except motion blur OFF and bloom OFF at 1920x1080@TAA with full screen exclusiveMy result:
My PC specs: CPU i7-4790K@4.7GHz, 16GB RAM DDR3-2400, ASUS Z97-Pro Gamer, EVGA GF GTX 980 Ti SC+