I recently upgraded my CPU from an Intel i5-9600K to a Ryzen 7 5800X, hoping to improve my gaming performance and fix some issues with CPU bottlenecking. However, I'm really not seeing any noticeable improvement in frames per second (FPS) and, surprisingly, my CPU temperatures are worse than before. Here's what my setups looked like:
Old System:
- CPU: Intel i5-9600K
- GPU: RX 9070 XT
- Cooler: Corsair H60 (2018)
- Game temps: ~60-70°C
- Smooth gameplay, no stutter
New System:
- CPU: Ryzen 7 5800X
- Motherboard: Gigabyte B550 Eagle
- Cooler: Stock cooler that came with the Ryzen
- Same GPU, resolution, and game settings
- Fresh install of Windows
Now, despite using the same graphics card, my GPU utilization is only around 30-50% while gaming. The CPU is running hot, peaking at 90°C, which I believe is affecting performance. Did I make a mistake choosing this CPU, or is there something I'm missing? I've heard that the stock cooler might not be up to the task, and I'm considering upgrading that. Any insights would be appreciated!
5 Answers
Your GPU should actually be close to max utilization when gaming. Make sure to check your settings too. Sometimes, the CPU doesn't allow the GPU to perform at its best. Also, remember to install the latest chipset drivers and ensure your BIOS is up to date. The Ryzen chips do run hot, so watch for any overheating issues. If you didn't remove the plastic wrap on the cooler, that's a big no-no—it can cause all sorts of issues!
It’s also worth asking what games you're playing. Some titles benefit from higher clock speeds, while others rely heavily on multiple cores. Adjusting the in-game settings could help push your GPU to higher utilization. And definitely consider investing in a good cooler if temperatures are reaching the 90s; that’s not sustainable for the long run!
You might want to consider getting the Ryzen 5800X3D next time, as it has more cache and is optimized for gaming. But for now, just focus on getting that cooler fixed, and hopefully, you'll see better FPS and temps.
If you're comfortable, you might want to undervolt your CPU. That could help reduce heat without sacrificing performance. Just be careful with the settings; it can greatly affect stability if not done right. Also, ensure your CPU cooler is seated properly—sometimes poor contact can lead to overheating too.
It sounds like the stock cooler is really letting you down. The Ryzen 7 5800X can run hot, and if the cooler isn't effective, it could be causing throttling and bad performance. Upgrading to a better cooler, like the Peerless Assassin or something similar, should help keep those temps manageable. Also, check your fan curves to ensure they're configured properly for performance; that could make a big difference!
Yeah, I had similar issues with my stock cooler. Switching to an aftermarket one drastically improved my temps and overall performance, so it's definitely worth investing in.

I'll double-check that! I think I might have missed something during the install.