Why is the outgoing internet speed slow?

Question

Computer networks

Hi all!
The bottom line is this: Vhodyashka fire, almost at face value. but outgoing 7-8mb, which is actually less than 1mb, and so it is on the router.
From the cable to the line everything is ok.
Changed the router - the same story. Who faced, who knows what's funny, please tell us.
There was a TP-Link WR841N router
Became: TP-Link Archer C6 (AC1200)
provider Beeline 100Mb
Network adapter Intel I211 Many
thanks to everyone
PS I updated the drivers, tried to change the settings.

Answer 1

Did the patch connecting the router and the computer change when the router was replaced? It looks like he's bad.