Why does my Vastarmor Radeon RX 9060 XT 16GB OC Black Alloy feel sluggish during fast combos in Tekken 8?

During high-stakes matches, I noticed a frustrating 12-18ms tactile delay that basically guaranteed a blocked attack or a missed punish. The Vastarmor RX 9060 XT core clock was bouncing between 2450-2600 MHz, but the driver-level buffer queue was causing a nightmare of input lag. I first tried disabling V-Sync in-game, which cut the lag but introduced screen tearing so bad I couldn't even track the character's hitboxes. Then, I dove into the AMD Software, enabled Enhanced Sync, locked the refresh rate to 144 Hz, and toggled the Low Latency mode to 'On'. Using frame time monitoring tools, the end-to-end latency tightened from 32-45ms down to 18-24ms, making the response feel rock steady. I actually hit a wall early on where a display protocol mismatch caused a black screen and a reboot, which I only fixed by swapping the cable from DP 1.4 to 2.1. GPU temps stayed around 62-68℃ with fans at 1300 RPM. After running a latency benchmark, the response curve smoothed out, with frame generation times stabilizing at 5.1-6.4ms. It's a relief, though the initial cable struggle was a total pain.