Question Looks good in OBS but poor quality in Youtube ?

[chunkz]

Looks good in obs but poor quality in youtube

My 2017 Rig:

Ryzen7 1700
Wraith Spire
Msi B350 Tomahawk
Gskill TridentZ 3200mhz 16gb(8*2)
Zotac rtx 3070ti
Capture card elgato 4K60 Pro mk.2
WD Black 1tb 7200rpm
Samsung SSD EVO 850 240gb
ADATA XPG GAMMIX S11 Pro 1 TB M.2-2280 NVME Solid State Drive
Corsair RM 650 W 80+ Gold Certified Fully Modular ATX Power Supply
Gigabyte ‎M28U 28.0" 3840x2160 144 Hz Monitor - (connected with ps5)
LG 22MP68 22" Full HD IPS SLIM LED MONITOR (1920x1080) - (for streaming)
win10 pro 64bit

My Obs settings

1 hosted at ImgBB

Image 1 hosted in ImgBB

ibb.co

2 hosted at ImgBB

Image 2 hosted in ImgBB

ibb.co

target streaming 1080p
My video quality in youtube

View: https://www.youtube.com/watch?v=v79NXee0Dnc

please check full video, the more vegetation the more choppiness in video.

My internet speed
https://ibb.co/sttjRp2

4 hosted at ImgBB

Image 4 hosted in ImgBB

ibb.co

since 2022 july I am trying to solve this issue, I was using RX 480 GPU till december end, becuase of this issue I upgraded to Rtx 3070 ti , still facing the issue. please help me, I feel wasted buying new GPU.