Question Help! my gpu clock and memory clock are up and down so much, it's new graphic card

Oct 11, 2019
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First sorry if my english is bad, it's not my main language.

i've got this video card 3 days ago rtx 2060 msi gammming z, the last 3 days everything was good but today i download battlefield 5 and when i started to play i noticed fps drop from 75 fps to 40 ...35fps, and when i open msi afterburning i saw there was an unusual activty, the gpu clock and mem clock where up and down.
the temps of the GPU are right i think when i play dota 2 temps are 30-35º C and the CPU the same 30 - 35º .
on max load the GPU is 55-60 ºC and the CPU 45 - 50ºC

Image link : Image link


My specs are
CPU: Core i7 8700
Water Cooler : Captain 240 pro
MotherBoard: Msi Z370 gamming pro carbon
Ram: 2x8 Gb 2666 Mhz
SSD: 240 Gb
Gpu: Rtx 2060 msi gamming z
Psu: Cougar 650w
Chasis: turret cougar
OS: Windows 10

i also can say that i usually play dota 2 and the mem clock was always 7001 mhz but now it's 5001 mhz and some times it goes to 7001mhz again.
does anyone can help me please : ( ?

the last thing is i got this video card by RMA because i had a previous rtx 2060 msi gammming z, it had the same problem but i thought it was by temps problem because that card had 70 -80ºC on max load and on idle was 40-45ºC.

i just wanna find a solution, this is really driving me crazy, and i worked a lot to get this computer as this is my first pc gamer
 

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