msi 4070 super

Hello guys, I have a question regarding my MSI GeForce RTX 4070 SUPER 12GB VENTUS 2X OC GPU. Why has it started stuttering all of a sudden? I have OC of +200mhz core with +1500 on memory tested in Heaven Benchmark 4.0 and 3DMark never had issues as in many other games so I don't think its the...