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3 myths about gaming performance that sounded right but weren’t
We've all wanted to improve gaming performance at some point, and a lot of the advice we find online sounds convincing at first. I've followed some of those tips over the years, especially when I was still figuring out how different components affected real-world performance. The problem with some of the advice people keep repeating on forums is that it often oversimplifies how games actually behave on modern hardware. More often than not, you end up trying tweaks that fix nothing, or upgrading parts that weren't holding you back in the first place.
The more workarounds I tried to improve performance, the more I realized how easy it is to misinterpret what your PC is doing under heavy workloads. For instance, a game that looks GPU-bound at first glance could actually be limited by your CPU. Likewise, a setting that boosts average FPS could introduce stutters or ruin frame pacing. So, I want to share some gaming performance myths that made sense in theory but fell apart the moment I started testing them across different titles.
Lowering resolution will always improve FPS
If your CPU is the bottleneck, keeping the resolution higher often works better
I'm sure you've heard many times that gaming at higher resolutions will tank your frame rates. While that's true when your GPU is the limiting factor, which is often the case at 4K, some games can actually be CPU-bound even at those resolutions. For instance, competitive games like Valorant and Counter-Strike 2 aren't graphically demanding enough to stress a high-end GPU like the RTX 4090 or 5090 at 4K. In fact, they're designed to be run at very high frame rates, which is usually when the CPU becomes the limiting factor.
As someone who used to play Valorant at 4K on an RTX 4090 paired with the Ryzen 9 5900X, I can confidently say my frame rate barely improved when I dropped the resolution to 1440p. If anything, it reduced my GPU usage rather than giving me a meaningful performance boost. That's why it's better to stress the GPU as much as you can when you know your CPU is holding it back by increasing the resolution or cranking up the graphics settings. Doing that can shift more of the workload away from your CPU. Sure, you may not get higher average frame rates, but the frame pacing will be far more stable, which matters a lot more during actual gameplay.
Higher refresh rates always feel smoother
Frame pacing matters just as much as your refresh rate and average FPS
There's no doubt that going from 60Hz to 144Hz can transform your gaming experience, but chasing higher refresh rates may not always make your gameplay feel smoother. Diminishing returns aside, higher refresh rates only really feel smoother if your PC can deliver frames consistently. And for that, you need a fast CPU, not just a powerful GPU. If your frame pacing is unstable or your 1% lows are all over the place, even a 360Hz monitor will feel jittery. That's mainly why I wasn't impressed when I first upgraded to the AW2725DF last year.
In competitive first-person shooters like Valorant, I wasn't getting the most out of my ultra-high refresh rate monitor because my frame delivery wasn’t stable enough to match it. I did get over 200FPS with my 5900X, but during intense gunfights, the gameplay wasn't as smooth as it should be at those frame rates. However, everything changed when I upgraded to the 5800X3D. Not only was I averaging over 300FPS, but my 1% lows were also much better than before. So, before you consider a 240Hz or 360Hz monitor, make sure your CPU can actually keep up with those refresh rates.
More RAM means higher FPS
Your RAM speed and timings matter more after a point
Many people still assume that adding more RAM is key to maximizing their in-game frame rates, but that only applies up to a certain point. I used to think that too, which is one of the reasons why I went with 64GB of RAM for my current build. Going from 8GB to 16GB can reduce stutters in modern AAA titles, but once you have enough RAM for the games you play, adding more rarely improves performance. Beyond 32GB, what matters more is how fast your RAM is and whether it's configured correctly.
For starters, you'd benefit more from having a high-speed DDR5 memory kit, say, 6000MT/s or higher with tight timings, than simply doubling your total capacity. Fast RAM helps your CPU pull game data more efficiently, which directly impacts performance in CPU-bound scenarios. Likewise, if you're running a single stick of 32GB RAM, you’re cutting your bandwidth in half compared to a dual-channel setup. On the other hand, if you fill all four DIMM slots, your RAM may struggle to hit its advertised XMP or EXPO speeds, especially if the memory controller is weak. This means settling for slower speeds or looser timings, both of which affect frame consistency in CPU-bound games.
Real gains come from understanding your hardware
If there's one thing I've learned over the years of trying various performance tweaks, it's that your PC won't necessarily behave the same way someone else’s does. You could have the same CPU or GPU as the guy you're taking advice from, but your PC may behave differently with the same tweaks because of RAM configuration, cooling hardware, motherboard settings, and so on. While it doesn't hurt to try out different tweaks, it's always better to monitor your PC closely and tune it based on what it actually needs. The more you understand your system, the easier it becomes to squeeze more performance out of it.
