I just upgraded my GPU to a 9070 XT, paired with my Ryzen 5600G and PCIe 3.0 motherboard. I researched extensively before making the jump, and I thought older CPUs would only take a slight performance hit with a new GPU. However, I ran benchmarks on games I frequently play and was quite disappointed. For instance, in Shadow of the Tomb Raider, I'm getting 0% GPU utilization, and in Horizon Zero Dawn, my CPU FPS is only half that of the GPU FPS. I was really excited to dive into Horizon Zero Dawn, but in busier areas, the FPS drops to around 40, which is really frustrating. Given this situation, should I consider upgrading my CPU and platform? I have access to good bundles at a nearby store, but I'm hesitant to spend money unnecessarily if what I have should suffice.
5 Answers
It's not surprising you're hitting a bottleneck with your current setup. The 5600G, being more of an APU with limited L3 cache and PCIe 3.0 support, doesn't compare to its more powerful counterparts when it comes to gaming at 1440p. If you want a noticeable performance boost, moving up to a Zen 3 processor could be the right way to go. Just keep an eye on the costs, as a full platform shift could be a bit pricey.
You're right that the 5600G should perform adequately under certain conditions. But being one of the slower Ryzen 5000 CPUs means you’ll run into limitations in CPU-heavy scenarios. If the performance isn't cutting it for you, an upgrade might be worth considering. Even though you might have missed out on some cheaper 5700X3D options, getting a 5800X can effectively breathe new life into your gaming experience without breaking the bank too much.
One thing to note is that you might not be comparing your performance directly with the right systems. The 5600G is just not built for the same levels of gaming as the higher-end Ryzen CPUs. It's definitely a good idea to upgrade if want that smoother experience, especially in titles that can stress the CPU. You might also want to ensure you’re using similar benchmark tools for a fair comparison of performance between setups.
The issue you're facing is mainly due to your Ryzen 5600G having a smaller cache size, which impacts performance in open-world games like Horizon Zero Dawn. Games with a lot of NPCs or complex environments tend to require more from the CPU, so it can bottleneck your performance. A more powerful CPU would help you unlock the full potential of your 9070 XT, especially if you're playing at 1440p. If you want a meaningful upgrade, consider looking at CPUs like the 5700X3D or 5800X, as they offer substantial gains for gaming.
Honestly, even a standard 5600 can struggle to keep up with a powerful GPU like the 9070 XT at higher resolutions. While your 5600G can handle some tasks, it's not really suited for the most demanding games at 1440p. Upgrading to something like a 5800X3D would definitely provide a more balanced performance across games. Do consider though that the cost for a full upgrade can add up quickly, especially if you're looking at new motherboards and RAM as well.

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