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Until whatever driver issue gets sorted thats causing some games to run worse on my 5700xt than they did on my 390, primarily Depth and other dx9 titles, could i possibly slap the old 390 in below the 5700xt and swap to it on the fly, or is this idea simply to out there to bother with?

I understand crossfire wont be a thing because they arent the same model of gpu, im not trying to run both at the exact same time. i just want both installed in my PC so i can select lets say at boot or via bios the card i wish to use, is that at all possible?

Besides im pretty sure id blow my PSU if i tried running both at the same time, i just want the ability to pick which card gets used as the primary adaptor at boot or in bios. Has anyone tried doing something like this?

CPU: i7 6700k @4.5GHZ | Mobo: MSI Z170 Gaming M5 | RAM: G Skill Rip Jaws V- 16GB | GPU: Sapphire RX 5700 XT | Storage: Seagate Barracuda 2TB 7200RPM, Seagate Barracuda 500GB 7200RPM, Kingston SSD-now 100V+ 128GB, WD Black 600GB, WD Blue 500GB, Intel 600p 256GB nvme SSD |PSU:Corsair CX750M| Cooling: Corsair H60| Displays: 27" LG IPS277L, Samsung Curved 72hz Freesync 27 inch, Epson EX7220 Projector with 100 inch 16:10 Screen | Kb: Corsair Vengeance K70 | Mouse: R.A.T. 4 |  Case:  NZXT Phantom 410 (Red) | OS: Win 10 Home 64 Bit

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