Could I use an external GPU with out Thunderbold

[yourordinarytemp]

So I bought an Asus Zephrus g14 (Ryzen 9 with an 2060 gpu)not too long ago and I've also been streaming valorant but I get massive frame rate drops. So I thought having a better gpu would help out. So Im trying to find a solution to this but I don't want to nothing like taking my wifi card out I just want to know if I could buy like hub that has support for thunderbolt. 

 

Also I don't know if my graphics card is the problem here so if I should upgrade something else than my graphics card please tell me.

 

{Laptop Specs }

Ryzen 9 

16 GB Memory

2060 Max q 

 

[SpookyCitrus]

It's a laptop so you can't upgrade  the GPU, if you have Thunderbolt you can use an external GPU. However I think your issue may be a thermal problem. Sounds like the laptop is overheating once you get streaming. If the game runs fine when not streaming I'd recommend just not not streaming. It's a laptop not a desktop putting it under more stressful loads and causing more heat is just going to cause it to thermal throttle and underclock. 

[GhostRoadieBL]

could be frame drops, could be encoding problems. I would start with enabling V-Sync (I know noone likes to but) 60fps is better for stream stability than random stutters as the encoder tries to catch frames from 100+fps.

if that isn't an option, which encoder are you using? trying Nvidia's encoder may reduce the stutter from potential CPU spikes in usage. 
changing Valorant's core affinity to one CCX (so cores 0-7) and the encoder to 8-16 can clean up the CPU workload and prevent spikes in load from the stream stealing processing time. 

other than those, overheating will be the next option and you can potentially undervolt the CPU to give you a little extra thermal headroom but it may not be enough.