I recently upgraded from a GTX 1660 to an AMD Radeon RX 9060 XT 16GB. I also installed a Corsair CX650 power supply and increased my memory from 16GB to 32GB. The RAM is currently a mixed configuration of 8GB + 8GB + 16GB, so it is not running in a typical matched dual-channel setup, although everything appears to work normally. My motherboard is a B450M model. I mainly play demanding MMOs such as Throne and Liberty and Aion 2, along with games like Sons of the Forest and No Man's Sky. I'm also thinking ahead to GTA 6. Will my Ryzen 5 3600 noticeably limit the new graphics card, particularly at 1080p? Should I upgrade the processor now, or is this setup reasonable for the time being?
4 Answers
The mixed 8GB, 8GB, and 16GB memory setup may work, but it is not ideal for consistency. Depending on the motherboard and memory layout, part of the RAM may run in a flex or single-channel arrangement. A matched 2x16GB kit, installed in the recommended motherboard slots and running with the memory profile enabled, would be a cleaner setup and could help minimum FPS in CPU-limited games.
Some newer games can already push a Ryzen 5 3600 hard, even at higher resolutions. If you later want higher minimum FPS or a steadier 60-plus FPS experience, a compatible Ryzen 5000 upgrade—especially a model with 3D V-Cache—could extend the life of the B450 system. There is no need to rush before seeing how your current games perform, and future PC requirements for GTA 6 are still unknown.
The Ryzen 5 3600 can limit the RX 9060 XT in some CPU-heavy games, especially at 1080p, but it is not a reason to undo the upgrade. You may see lower maximum FPS than the card could deliver, while GPU-heavy games should still run much faster than they did on the GTX 1660. If your actual performance feels good, there is no urgent need to replace the CPU.
Resolution and settings make a big difference. At 1440p, the graphics card will usually become the main limitation, while at 1080p you are more likely to encounter CPU limits in crowded MMO areas or other simulation-heavy scenes. A PCIe 3.0 connection may cost a small amount of performance in some situations, but it should not make the card unsuitable. Check that the motherboard BIOS is current and supports the features you need.
That makes sense. I’ll monitor CPU and GPU usage in the games I play instead of upgrading immediately, then consider a Ryzen 5000 chip if the minimum FPS becomes a problem.