High Ingame CPU Usage Leading to Low FPS

Casper_N · Aug 10, 2017

So recently, I have started upgrading my PC in order for me to get more FPS in-game. I have been playing H1Z1 recently, and before upgrading, I had around 40-50FPS ingame. At this point, I basically had max CPU usage, and around 6GB RAM usage while playing the game.

My Rig Then:
-GTX 750ti
-8GB DDR3 RAM
-AMD Athlon X4 860K

After upgrading my PC, I spent around 500 Euros, I gained little to no FPS. Whenever I am ingame, I get around 50 FPS now, and I still have around max CPU usage, and 6GB RAM usage while playing the game.

My Rig Now:
-GTX 1060 3GB
-16GB DDR3 RAM
-AMD A8 7650K

I am wondering why I am not gaining any FPS, eventhough I massively upgraded my PC. I feel like my PC may be using all of my CPU but none of my GPU. My HDMI cable is plugged into my GPU.

I am currently running on Windows 7 Premium Home Edition

Please Help.

nvincent_08 · Aug 10, 2017

i think your processor bottleneck so much, amd old processor were so bottlenecking for gaming this days, get better processor and it should do better in game

atomicWAR · Aug 10, 2017

Max CPU usage means you have a CPU bottleneck. Getting a stronger GPU won't help things. Your CPu is already cranking out as many frames as it can, ever. You can turn the in game settings up until you no longer reach 40-50FPS but turning down settings won't get you more then 40-50FPS. 40-50FPs is your CPUs max render rate for that game. You'll never get a faster frame rate without a faster CPU at this point.

spdragoo · Aug 10, 2017

Casper_N :

Because you didn't "massively upgrade" your PC.
-- Yes, you did a great GPU upgrade, moving up 5 tiers (http://www.tomshardware.com/reviews/gpu-hierarchy,4388.html). But that would only help if your GPU was the problem in the first place.
-- Yes, you doubled your RAM. But unless you were maxing out your RAM previously while gaming, that's not going to help as much. It might let you run more background programs while playing, but that's about it.
-- You did not upgrade your CPU at all. Both of those are Kaveri-based APUs (the Athlon being an APU with the integrated graphics disabled). However, your Athlon was actually faster than the A8 you added: Athlon X4 860K has a base clock of 3.7GHz & Turbo of 4.0GHz; the new A8-7650K you added, however, only has a base clock of 3.3GHz (~10% slower) & Turbo of 3.8GHz (~5% slower). This is also why they're on the same tier on the CPU chart (http://www.tomshardware.com/reviews/cpu-hierarchy,4312.html).

Unfortunately, there isn't really a CPU upgrade available for you. First, since you have a dedicated GPU already, there's no point in paying extra to get an A-series chip; the Athlon chips are cheaper, because the integrated graphics are disabled. Second, assuming that your motherboard can handle it, the fastest Athlon available (Athlon X4 880K) isn't much faster than your original 860K (4.0GHz base/4.2GHz Turbo = about 5-8% faster tops), & again it's rated on the same tier as the 860K. Third, even though the fairly new Bristol Ridge APUs use the same architecture as your APUs (Excavator microarchitecture being a further refinement of the Piledriver-based Steamroller systems), they're designed to plug into the same Socket AM4 motherboards that the new Ryzen desktop CPUs use, in preparation for their upcoming Raven Ridge APUs (which will actually be Zen-based APUs).

Since you didn't see any improvement in performance with the better GPU, your CPU is holding you back. I would recommend trying to return the APU & the extra RAM, & use the cash to start saving for a Ryzen build.

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