Your connection speed will be based on your ISP and the product/package you have. Wifi cards and adapters are pretty standard.
I'm guessing this is what you're getting:
https://www.ebay.com/itm/284926689112
That's fairly similar to the laptops I set up for RTD systems, which are just bare-bones for running some temperature detection software, and they're fine for surfing and vids, but they hit the RAM ceiling fairly easily.