Comparing to your 1440p results, it looks like the 3D v-cache is not really helping :unsure:
By the way, has anyone tried the 7900 XTX?
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CPU: Ryzen 7 7700X (PBO enabled, auto settings)
RAM: 32GB G.Skill Flare X5 CL32-38-38-96 (@Expo 6000MHz)
GPU: RTX 3080 (Gigabyte Gaming OC 12G...