You do not state what O/S you have.
A 32 bit o/s will only address 4GB of RAM so putting in 8GB is pointless.
If you have 64bit o/s then you may see improvements in processes like video editing but for general use not.
OnePlus 5 review
See the work of famous artists playing with toys
iPad Pro 10.5in (2017) review
Comment faire une capture d’écran sur un Mac ?