I have a spare R7 240 that I don't have much use for. I was thinking that I could CF the 240 with my existing 380 to get a few more frames. Is this possible, considering they are different revisions of GCN?
Posted Mar 24, 2017, 2:12 AM UTC
Nope, but maybe with vulkan and a game what support multigpu you can use both at same time.
I understand where you would get the impression, but no, to use CF effectively you have to have two cards based on the same architecture with similar speed. For example: you can CF an RX 480 with a 470 since they're both based on Polaris 10, but you can't CF a 460 with a 470 since the 460 is Polaris 11.
Basically if it has the same GPU arch it'll work. So for your card you could crossfire it with an R9 285, R9 380 and R9 380X, be warned though, if you get a faster card it will lower its performance to match the slower GPU.
no you can't do that.... the 240 is based on a much older generation GCN... basically it's a HD7750... You can't mix GCN architectures together to do crossfire.
The exception to this rule is however dx12/vulkan mGPU supported games.... but they are few and far between.
The R5 240 has been demoted to basic simple games/office/media tasks by todays standards.
No, not possible.