Capsaicin, and related compounds known as capsaicinoids, give chilli peppers their heat when they are eaten. The capsaicin in chilli peppers excites pain receptors on your tongues, making chilli taste 'hot'.
What makes chillies hot? Capsaicin is the main substance in chilli peppers that provides the spicy heat. It binds to receptors that detect and regulate heat (as well as being involved in the transmission and modulation of pain), hence the burning sensation that it causes in the mouth.
You'll be able to drop into the FPS armed with any CPU that's at least as powerful as the Intel Core i5 2500K or AMD Ryzen 3 1200, so long as you pair it up with 8GB of RAM.
The game is poorly optimized for the processor. If you want 150+ fps like in Modern Warfare 2024, you need to take a computer with RTX 4080 and i9 12900kf. I have a small bottleneck but in the normal MW i get around 140 FPS and in Warzone only 60 to 50 its running bad and stuttery.