Better graphics core and module with PCI-E

[User127489]

It's possible to improve better graphics core and create additional module with the PCI -E port?

[rpdom]

What PCI-E port? The Pi doesn't have one.

[W. H. Heydt]

PCI-E is pretty specific to the x86 world. The relevant question here is: What do you want to use it for? The two uses I can think of would be a better GPU (where are you going to catch your 100+W PSU for it?) or for an M.2 mass storage bus. The former is--fundamentally--useless on a Pi. The later would be rather nice, but it is extraordinarily unlikely to happen.

[Heater]

Graphics on the Pi is amazing already given it's small size, power consumption an price.

Running OpenGL, using the Qt5 tool kit, straight into the frame buffer is pretty impressive.

[plugwash]

PCI-E is pretty specific to the x86 world.

Not really, the seperate memory and IO map is an x68-ism but it's not a massive problem to map both PCI IO and PCI memory spaces into the processors memory map. If you buy a modern Sparc system from Oracle or a modern PPC system from IBM you will find PCIe in it.

What PCIe does tend to be is a relatively high-end/high power option which doesn't mesh so well with ARMs traditional low power focus (though arm are trying to move upmarket).