OBS capture and Shotcut export settings

Everyone has opinions on this. You really need to experiment and see what meets your goals. I have a 4070 Ti Super.

Personally, I record in 4k on OBS using these settings:

• Recording Format: .mkv
• Video Encoder: Nvidia Nvenc HEVC
• Audio Encoder: FFmpeg AAC
• Audio Track: 1, 2, 3
• Encoder Settings
• Rate Control: VBR
• Bitrate: 80000 Kbps
• Maximum Bitrate: 80000 Kbps
• Keyframe Interval: 0s
• Preset: P7: Slowest (Best Quality)
• Tuning: Ultra Low Latency
• Multipass Mode: Two Passes (Quarter Resolution)
• Profile: main10
• Look ahead: off
• Psycho Visual Tuning / Adaptive Quantization: on
• B-Frame as Reference: Disabled
• Split Encode: Auto
• Max B frames / B-Frames: 2
[Deprecated or changed? • GPU: 0]

When I export the video for YT, I use these settings:
Video:
• Format: mp4
• Video: 3840x2160
• Aspect Ratio: 16 x 9
• Frames/sec: 60

Codec:
• av1_nvenc
• Rate control: Quality-based VBR
• Quality: 75%
• GOP: 30 frames fixed
• B frames: 2
• Codec threads: 0

Audio:
• Channels: 2
• Sample rate: 48000 Hz
• Codex: AAC
• Rate control: Constant Bitrate
• Bitrate: 384k b/s

Other:
movflags=+faststart
vprofile=high
rc=vbr
strict_gop=1