Some improvements can be made to your set-up but the encode in the log is somewhat incomplete. OBS was shut down while it was in progress. That said, there is Rendering Lag, your GPU is overloaded. See link too.
Disable this, it's not needed & you may save some resources.
21:22:37.575: Game DVR: On
Your monitors are currently set @ 59, 50 & 59HZ. Set them all @ 60HZ if possible.
Don't downscale
Fix this Scene. There should only be (1) Display, Game or Window Capture per Scene to avoid interference.
21:22:40.193: - scene 'Gaming':
21:22:40.193: - source: 'RE5' (game_capture)
21:22:40.193: - source: 'Overlay' (image_source)
21:22:40.193: - source: 'Latest Support' (browser_source)
21:22:40.193: - source: 'Chat Widget' (browser_source)
21:22:40.193: - source: 'Streamlabs Alerts' (browser_source)
21:22:40.193: - source: 'Sound Alerts' (browser_source)
21:22:40.193: - source: 'Spout2 Vtube Model' (spout_capture)
21:22:40.193: - source: 'T.I.T.S' (game_capture)
21:22:40.193: - source: 'Speedrun Splits' (window_capture)
21:22:40.193: - filter: 'Color Key' (color_key_filter_v2)
21:22:40.193: - source: 'Sapphie' (browser_source)
Use CQP Rate Control for recording.
Make changes, close/re-open OBS & run your test. If there's issues, close/re-open OBS after the test & post the previous log so I can check if your render time is improving.
21:26:36.718: ==== Recording Start ===============================================
21:26:36.718: [mp4 output: 'simple_file_output'] Writing Hybrid MP4/MOV file 'C:/Users/User/Videos/2026-06-10 21-26-36.mp4'...
21:27:47.856: [game-capture: 'RE5'] capture window no longer exists, terminating capture
21:27:47.856: [game-capture: 'RE5'] capture stopped
21:27:49.889: [win_spout] [Spout2 Vtube Model] Sender VTubeStudioSpout has changed / gone away. Resetting
21:27:49.889: [win_spout] [Spout2 Vtube Model] No active Spout cameras
21:28:13.312: ==== Shutting down ==================================================
21:28:13.340: Deduplication logic stopped.
21:28:13.340: WASAPI: Device 'Speakers (Realtek(R) Audio)' Terminated
21:28:13.342: WASAPI: Device 'Microphone (HyperX Quadcast)' Terminated
21:28:13.369: Tried to sort VolumeControl for 'Mic/Aux' but source is null
21:28:13.388: All scene data cleared
21:28:13.388: ------------------------------------------------
21:28:13.406: [mp4 muxer: 'simple_file_output'] Flushing final fragment...
21:28:13.406: [mp4 muxer: 'simple_file_output'] Number of fragments: 49
21:28:13.407: [mp4 muxer: 'simple_file_output'] Full moov size: 73 KiB
21:28:13.407: [mp4 muxer: 'simple_file_output'] Final mdat size: 60858 KiB
21:28:13.407: Output 'simple_file_output': stopping
21:28:13.407: Output 'simple_file_output': Total frames output: 5789
21:28:13.407: Output 'simple_file_output': Total drawn frames: 5793 (5802 attempted)
21:28:13.407: Output 'simple_file_output': Number of lagged frames due to rendering lag/stalls: 9 (0.2%)
21:28:13.407: [mp4 output: 'simple_file_output'] Waiting for file writer to finish...
21:28:13.407: [mp4 output: 'simple_file_output'] File output complete. Finalization took 0 ms.
21:28:13.407: Video stopped, number of skipped frames due to encoding lag: 9/5800 (0.2%)
21:28:13.682: obs_graphics_thread(16.6667 ms): min=0.049 ms, median=0.63 ms, max=118.465 ms, 99th percentile=8.219 ms, 99.696% below 16.667 ms
21:28:13.682: ┣tick_sources: min=0.001 ms, median=0.011 ms, max=68.767 ms, 99th percentile=0.26 ms
21:28:13.682: ┣output_frame: min=0.045 ms, median=0.526 ms, max=79.799 ms, 99th percentile=7.454 ms
21:28:13.682: ┃ ┗gs_context(video->graphics): min=0.044 ms, median=0.526 ms, max=79.794 ms, 99th percentile=7.454 ms
21:28:13.682: ┃ ┣render_video: min=0.002 ms, median=0.431 ms, max=79.679 ms,
99th percentile=7.031 ms
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