Ryzen 5 2400G RX Vega 11

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Theldy

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Feb 8, 2016
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Hello
I just bought and installed this CPU but have issues with IGP (Vega 11). When I start any game the fps is just terrible (League of Legends 3FPS, BDO 2FPS).

I tried to run benchmark and CPU result was kinda satisfying (8200), but it failed to run 3D test, and 2D test ended up low aswell.

I also noticed that I dont have option to set shared video memory in BIOS (it should be in North Bridge settings next to enable IOMM, but that fields is just missing).

Also funny thing is that in Ryzen master the temps are 55-65°C, but in bios I see 35-42°C, tried to remount cooler and tried even stock cooler, but those temps seem to be bugged.

My machine is as follows:
AMD Ryzen 5 2400G
AsRock B350m Pro4 (latest bios 4.50 ver)
Corsair Vengeance LPX Red 2666MHz 2x8GB DDR4 (set to 2666 through XMP)
EVGA 500BQ Power Supply
WD Green SSHD 1TB
Windows 10 Pro

All help appreciated ! Thanks.
 
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Theldy

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Feb 8, 2016
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okay so the FPS problem is solved, I was trying to use autodetect tool from AMD but it didnt found any drivers but with this link I was able to set things up

now that the second problem is here I might aswell wait from response from AsRock technical support, I know it's crucial but I believe it will be solved in no time

WildCard999 MANY MANY thanks for helping me ! :)
 
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WildCard999

WildCard999

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Jul 18, 2014
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Interesting article.

"For the most part we saw very little difference. At most, averages vary by up to 5% in some instances but it’s mostly 3% or less. You may gain an extra 2-3 fps using 2GB opposed to 64MB in the best case scenario, but Raven Ridge is way more appealing on the low end if I can have almost all 8GB of my system memory when using applications in Windows, rather than only 6GB."
https://www.techspot.com/article/1578-amd-raven-ridge-reserved-memory-explainer/

"If a game calls for 2GB of video memory but you've only allocated 64MB, usage still spills over into the shared RAM and because it's all the same memory the bandwidth remains the same and so does the performance. Windows manages this very well so by allocating 2GB you're just restricting the operating system's ability to manage system memory optimally."
 
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WildCard999

WildCard999

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Don't use the auto detect, the page I posted you have the exact drivers you need for the iGPU under Drivers > select OS.
 
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