Why are metallic textures blurry in 4K on my Sapphire RX 9070 XT?

I was observing the Thunderjaw's scales in 4K, but the metallic textures were blurrily smeared, which felt jarring and broke my immersion. I tried maximizing anti-aliasing in the game settings, but this only increased the blurriness, making the image even more smeared. I then used GamePP Image Sampling Calibrator to raise sharpening intensity from 40 to 72 and calibrated the pixel offset. Confirmed via RivaTuner that textures became sharp; core temperature stayed 62-68℃ per AIDA64 and fan speed hit 1600 RPM via HWMonitor.