Great that this review talks about more than just "look, AMD 7840U has higher numbers!". The first review that didn't just straight up say "AMD better" but actually explained some up- and downsides.
The displayport adapter uses USB-C DP Alt mode. Therefor it uses the displayport version the CPU supports. The 2nd gen in the framework page means its the second version of the adapter.
The power setting use is clearly incorrect, all framework latops support up to 60W boost. At 1:15, other version of the framework laptop are around 60 and other laptop with the 155h also around 60w. This clearly impacted all there test.
EDIT*
Here is another review that has the max wattage around 60