so i am having this issue in the CPU intensive games like GTA V and Watch Dogs when i start the game they work fine for 10-20 minute then fps drops to 20 from 45 i never had this issue so i decided to search about it and i realized that it happens because the CPU frequency drops to 1596Mhz from 3092Mhz this is the reason the fps drops then it goes back to the 3092 again and i get the same fps as before it happens in every 10-15 minutes when playing all the games its too annoying my processor is intel core i5 2400 3.1Ghz (its not overclocked and i never overclocked it before too) my temp is 70'c on full load and 45'c on idle so when the cpu is running on 3.1Ghz the temp is 70'c and when the frequency drops to 1.5Ghz the temps drops to 62'c too but i don't think my CPU is throttling because of the heat i have an aftermarket cooler as well Cooler Master Hyper TX3 EVO by the way i am getting this issue after i got this cooler my old cpu cooler stopped working so i bought this one and from today i noticed that issue please help me i tested prime94 too the temp is 66-68'c and even in if the frequency drops the power management mode is already on the high performance i can't find a solution out of this problem
My Specs :
Asus Strix GTX 970
Intel Core i5 2400 3.1Ghz
Intel DH67CL Motherboard
Cooler Master PSU 750W
Cooler Master Hyper TX3 EVO (CPU COOLER)
Cooler Master CM 690 III (Cabinet)
8GB RAM
UPDATE :
i just checked the temps with HWMonitor and here are the results
http://i.imgur.com/aC9KwQN.jpg?1

My Specs :
Asus Strix GTX 970
Intel Core i5 2400 3.1Ghz
Intel DH67CL Motherboard
Cooler Master PSU 750W
Cooler Master Hyper TX3 EVO (CPU COOLER)
Cooler Master CM 690 III (Cabinet)
8GB RAM
UPDATE :
i just checked the temps with HWMonitor and here are the results
http://i.imgur.com/aC9KwQN.jpg?1