Low GPU and CPU usage

[mutetant]

I recently built a new pc and the scores in benchmarks like 'Time Spy' are pretty decent (both GPU and CPU usage are over 90%). Though in games my fps are pretty low like my GPU and CPU usage.

Specs:
- 8GB Sapphire Radeon RX Vega 64 Nitro+
- 16GB (2x 8192MB) G.Skill Trident Z RGB DDR4-2400
- MSI B450 TOMAHAWK AMD B450
- AMD Ryzen 5 2600
- 550 Watt Corsair CX Series CX550M Modular 80+ Bronze

 

[Supahos]

What are you considering bad fps, and what CPU and GPU usage in what games

 

[mutetant]

What are you considering bad fps, and what CPU and GPU usage in what games

In Destiny 2, my GPU usage is about 70 - 80% and the average fps are about 40 frames lower than tests on YouTube (Stock) (Full HD). Sadly I can't display my CPU usage at Destiny 2, because msi afterburner is blocking it. In CS:GO none of the CPU cores have an usage of more than 40% and the GPU usage is about 50% on average. My FPS are about 70 -100 fps lower compared with other vega 64 cards. My FPS stay the same even if I lower the graphic settings.

 

[Supahos]

Well your slow ram is definitely going to hurt performance a bit but that seems too low in destiny.

Csgo would get same for with a 1050ti as your Vega 64 as it's entirely cpu dependent.

www.userbenchmark.com

Not the best benchmarking tool but will give me an idea where to look. Post the link it gives you at the end

 

[mutetant]

Well your slow ram is definitely going to hurt performance a bit but that seems too low in destiny.

Csgo would get same for with a 1050ti as your Vega 64 as it's entirely cpu dependent.

www.userbenchmark.com

Not the best benchmarking tool but will give me an idea where to look. Post the link it gives you at the end

https://www.userbenchmark.com/UserRun/14442991

 

[Supahos]

First thing is to go into bios and enable xmp/a-xmp/docp whatever your motherboard calls it. Won't be a big boost but will help.


Next step is to monitor gpu temps while playing a game or something similar and check both temps and how high the core clock goes. I'm guessing it's not spinning up very fast.

 

[mutetant]

First thing is to go into bios and enable xmp/a-xmp/docp whatever your motherboard calls it. Won't be a big boost but will help.


Next step is to monitor gpu temps while playing a game or something similar and check both temps and how high the core clock goes. I'm guessing it's not spinning up very fast.

Nerver really saw the gpu temps way above 60 C (Time Spy). The highest core clock was about 1600mhz in benchmarks. At 99% usage, the card has a powerconsumption of 270W (GPU-Fans 1500 rpm). It's a bit unusual.

 

[Supahos]

1600 is a tad low but shouldn't be low enough to put you 9th percentile in the benchmark run as many of them won't hold boost clocks anyway.

I would download either afterburner or wattman and try to undervolt the GPU bit and see if that helps

 

[mutetant]

I just received my gpu a week ago. As far as I know, I have the opportunity to return it. I don't know if it makes sense to undervolt my vega, because I think it would be better to return it if it is performing that poorly.

 

[Supahos]

It's also entirely possible you don't have enough psu. Fully loaded that system could draw close to 500w which could overload your 12v rail. That's why I wanted to know if it held the same speed constantly or throttled back

 

[mutetant]

Yeah, that could be possible. I experienced some problems in Time Spy. The GPU usage wasn't up to 99% the whole time. It dropped at some points and the powerconsumption was about 50 - 100 Watts. I also experienced Problems in Firestrike. GPU and CPU Tests went perfectly fine, but the graphics and physics test showed the same result as in games. Both CPU amd GPU usage were pretty low.

 

[Supahos]

I think that may be your problem then. I only had the cpu gpu and ram into a calculator and it recommended 530w so it's no stretch the rest of the build might make it too much

 

[mutetant]

Yes. I used another calculator and it told me that my system draws 440 Watts (maximum). Okay, so I probably have to look for another PSU or for another GPU with a lower power consumption. Thanks for your help.