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The original was posted on /r/overclocking by /u/MarcelDekker on 2023-08-07 14:41:33+00:00.
Recently I bought an RX 7600 GPU with which I did some tests to get the most performance / fps out of it. I soon found out that minimum voltage in relation to a lower frequency is therefore more important for a gain in performance / fps.
Assuming a mechanical cooler on the GPU
Setting all GPU frequency & voltage to the highest is therefore of no use, except for the GPU memory frequency & power limit (%). The GPU eventually overheats and balances at lower frequencies resulting in lower FPS.
Highest possible settings for RX 7600 in AMD Software Adrenalin Edition:
(Not recommended)
GPU Max. Frequency (MHZ): 3000
Voltage (mv): 1200
VRAM Tuning Max. Frequency (MHZ): 2400
Energy limit (%): 12
After my own test in 3DMark, Superposition Benchmark, I achieved the highest possible performance with my RX 7600 at the following settings:
GPU Max. Frequency (MHZ): 2841
Voltage (mv): 1135
VRAM Tuning Max. Frequency (MHZ): 2400
Energy limit (%): 12
All applied settings are stable and extensively tested.
This is quite a large undervolt and a decrease to 2841 MHZ compared to the die hard of 3000 MHZ of course. (for my standard overclocked RX 7600 from Gigabyte)
Note: 2841 MHZ is the sweetspot for my card in combination with this minimum voltage. Most of the time it will be in de 2750's and 2800's which is very important for the most fps gain.
3DMARK TIME SPY Graphics Score: 11489
3DMARK TIME SPY EXTREME Graphics Score: 5489
3DMARK SPEED WAY Graphics Score: 2128
3DMARK PORT ROYAL Graphics Score: 5765
Superposition (1080P MEDIUM) Score: 20435
Superposition (1080P EXTREME) Score: 6791
Since I saw an improvement and having fun with this underclocking test,i thought maybe this would be fun for someone to try out and compare the results.
My system:
AMD Ryzen 5 5600G
Gigabyte B550M DS3H
Gigabyte Radeon™ RX 7600 GAMING OC 8G