I have recently begun working on quite large canvases (6000x4000). and I realize that my computer lags more than I need it to while using big brushes.
So what I ask is advice on what components Photoshop are the most intense on and what I should upgrade to. since it's getting outdated.
These are the computer specs:
Motherboard: Asus M3N78
CPU: AMD Phenom Quadcore 9650
RAM: 4GB Corsair DDR2
GPU: Asus Radeon 4850 512mb
PSU: 450w Corsair
Now I heard that Photoshop mainly use the CPU to do stuff. while the GPU isn't very useful for other than games and password cracking. is this true? best scenario is that I need to upgrade my GPU. since it's a lot simpler than changing CPU.
I also do some video editing, and gaming.
Anyway. any kind of advice is helpful. I built this PC in 2009 so it's quite old.
Thanks in advance