Reverse-Engineering Elgato 4K Capture Card With T3 Code, Latency Down to ~24ms

talkaboutdesign · x · 2026-10-13

A hobbyist is using the AI coding tool T3 Code to reverse-engineer the Elgato X 4K capture card for better performance and lower latency. A screenshot shows Elgato HDR capture running at 1080p120, 10-bit, 120fps with 24ms glass-to-screen latency in an ongoing 'Improve Elgato Capture Performance' session.

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