CPU temperature above 70°C can influence stuttering.
CPU temperature above 70°C can influence stuttering.
Playing games indoors without air conditioning can cause your PC temperature to rise significantly. It’s normal for it to reach 70°C or higher. Make sure your system has enough cooling and consider improving ventilation or using a fan. The stuttering feeling you felt might be due to high temperatures affecting performance, not just lag.
I didn't see your signature earlier, but 70c isn't a bad thing at all—don't worry about it.
Ryzen gains more from faster RAM, around 3200 MHz seems ideal. You might want to overclock your RAM. Texture rendering likely runs on the GPU, though I'm not entirely sure.