Question underperforming new pc build

Aug 8, 2019
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I have :
cpu: ryzen 7 3700x
gpu: rx 5700 xt
msi x570edge
ram: 2×16gb 3200mhz

and when i compered witch this guy
View: https://youtu.be/ZjgxaQeNDYU
or other benchmarks i have lower fps performance then them

can you help me or help me understand why?
(not overlocked)

(one side question in MSI afterburner is showing me gpu temperature 1 and gpu temperature 2 which is always a lot higher what that mean?