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AMD Radeon RX570 Nitro+ 4GB [ FPS DROP - HELP ]

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ValkyrionX #1 Posted 14 January 2019 - 02:01 AM


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how many fps do you get from this card?


I use monitor 65hz 1080p with cable dvi, I do not understand why my fps are unstable all the time except the first games, then start their decline and continuous overhang.


What graphic settings do you use?


I use wot with hd client and improved graphics with maximum settings, not ultra.


object destruction disabled, foliage and trees quality turned off, sniper-mode effects turned off, same thing for terrain tessellation and motion blur off


the first ones are stable with fps that oscillate from 58 to 65, then start the decline .. sometimes even touch the 30 fps and then go back to 40/50/60
obviously I use vertical synchronization with x3 buffering to reduce shuttering

I do not know what to do.

what sense does that then the fps decrease?

the computer temperatures are all under 40 degrees under maximum use and the components well dissipated [aida64 and prime95 stress test]

note that the GPU never reaches 100% of use during the game, same thing for the CPU ranging from 30% up to a maximum of 60% on 4 cores.

note that I do not use all the ram, with wot launched maximum the pc uses 3gb of ram and 2gb of vram






CPU: AMD Phenom II 965 Black Edition X4 core @3,6 GHz  [stock is 3,4 Ghz]


RAM: Kingston HyperX Genesis DDR2 1066 MHz 2GB X 2= 4GB Dual Channel HASH1 / timings 5-5-5-15 at 2,2 volts


MOBO: Asrock K10N78M-PRO [HT Link speed 2000MHz / 16bit  - NORTH BRIDGE speed 2000MHz]


PSU: Corsair TX 650 Watt  - 80 Gold plus [new]


GPU: Sapphire Radeon RX570 Nitro+ 4GB GDDR5 [GPU CLOCK 1350MHz / VRAM CLOCK 1750MHz]


MONITOR: Philips 22E74L Full HD via DVI cable 65Hz


SSD: Kingston SSDNow300 in AHCI mode 120GB


Windows 10 Pro - 64 Bit

_Patrol #2 Posted 14 January 2019 - 07:16 PM

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captainpigg #3 Posted 14 January 2019 - 07:47 PM

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Pretty sure you are bottlenecking your GPU with that old CPU, which was meh at best when new (for gaming anyways).

ValkyrionX #4 Posted 14 January 2019 - 10:38 PM


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thanks for the answer but I know these things very well


View Postcaptainpigg, on 14 January 2019 - 07:47 PM, said:

Pretty sure you are bottlenecking your GPU with that old CPU, which was meh at best when new (for gaming anyways).



yes, I imagined this too, but by trying wot 1.4 CT I had a really unexpected performance belt.

65 stable fsp with SD client ultra settings , almost the same for HD version with not ultra but maximum settings

as regards the neck of bottles that you mention in the main sites of benchmark my gpu was not bottled,  has exceeded by some percentage points the average performance for the rx570 nitro 4gb , same for cpu and ram


is it possible that it is the fault of the north bridge speed of only 2ghz to slow down?
ht link also goes to 2ghz 16bit

unfortunately 2ghz is the limit beyond which my pc becomes unstable for NB and HT link frequency

note that the processor never reaches 100% when I play at wot, I do not think it slows down the gpu potential

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