Laptop WiFi speed issue (opens in new tab)

I'm on a Lenovo ideapad Gaming 3 15ARH7 and our internet is 2Gbps on France's Bouygues Telecom, the modem is a Sagemcom f5688b v2. I do a speed test, my VPN isn't even on, and I can only get to about 100mbps down and up. Surely something's wrong, right? I have my bands split if that helps for...