So im looking at getting the Macbook Pro 16 in with i9. So im having a small predicament with what GPU to get. I plan on doing some video editing using Adobe premiere when im mobile but I have a desktoptop with an RTX 2080ti for my main rig. I can get the i9 with the 5500M 4G from Adorama for $2529 with the coupons and promotions they are running but if I want to get the 5500M 8GB model it will cost the full $2899 as they have no sales or promotions for that model. Will I see a huge difference between the 4GB and 8GB model in terms of rendering? If the 8GB unit will only be a minute or 2 faster than thats fine but if the rendering speeds are drastically faster than I may have to go with the 8GB GPU. I dont plan on doing any gaming just pure video and photo editing. Thanks for any help yall can shine on this!