Or what is a best solution for r290x to crossfire with ? (have 1 PCIe slot left)
Got a 4k UHD monitor & need some perfomance boost in some games.
yes you can cf a 290x with a 390x , just note in cf the slowest and lowest amount vram card sets the pace for cf so if you dont oc the 290x gpu clock to match the 390x " only around 50hgz difference " then it will run as the lower gpu clock and will only have the 4g vram usable during cf , so save the money and pick up a 290x like mentioned above
Assuming your PSU and CPU are up to the task, another 290X or 295x2.
just note in cf the slowest and lowest amount vram card sets the pace for cf so if you dont oc the 290x gpu clock to match the 390x " only around 50hgz difference " then it will run as the lower gpu clock
That's actually not been true for several years.
until dx 12 split screen rendering takes off , yes it is how cf works , as currently for afr " most popular method used " the second gpu mimics the first and frame paces the outputs , gpu cant mimic what it doesn't have
You need to post full system specs for any advice.
Hold off to 2106,see what's coming(IMO crossfire is a dying art ).
us quadfire 4k gamers laugh at that comment
My use of "dead" was a poor choice, edited it to dying.
I have tried crossfire, back in 5xxx series.
These days a lot of games are not being optimized for it, and so to me, a single high end card is normally without gaming issues.
I guess it comes down to your intended use/expectations from a crossfire system.
Minor edit (changed "single end" to "single high end").
Crossfire and SLI have really passed from being a necessity to achieve playable framerates at decent resolutions to a luxury for people who want to turn it up to 11, and it's not helped by the marketing hype of greater than 60hz screens. Adaptive sync technologies solve the problem of the absolute need of FPS equal to or above the monitor's refresh rate to ensure a smooth experience. I think it's dying as far as mainstream goes, but it'll still have a niche, especially among people who fall for the hype.
the olden days like my last cf 7850 has all the default issues of microstutter ect , cf has come a long ways from that time the pci cf vs the old bridge has made vast improvements over what cf used to be , sure for the average gamer at 1080 60hz isn't needed but people like me with high res / eyefintity still use cf , and probably always will , once single gpu that can hold a solid 60fps at 4k with ultra hits then the needed bandwidth cables will be out for 60hz 8k , its never ending I guess , atleast for some of us but that helps keep companies making money .
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