Collatz gives the highest PPD, bar none.

Aside from that one, which seems to be down right now, what gets highest PPD score on an Nvidia (RTX) GPU?

PrimeGrid? GPUGrid? Milkyway? others?

I would have supported Einstein, but they only use about 60% of my GPUs.

Perhaps I can rephrase the question,
What project fully makes use of an RTX2080Ti, outside of Collatz.
Einstein, Moo, Milkyway all stock use the equivalent of a GTX1060 to RTX2060 in GPU load, leaving 30-60% of untapped potential.
GPUGrid and PrimeGrid use the GPU 100%.
Looking for alternatives.

DirectX 12, 3840 x 2160 (4K) full screen games @60Hz or 1920x1080 @240Hz. Because that's what the GPU is primarily made for, not doing CUDA or OpenCL (1.2)

Try playing Deus Ex Mankind Divided without crashing it due to the memory leak.

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Contribute to the projects you care about, not which ones give the most credit.

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I would like to contribute to the projects that can make use of high power GPUs. A lot of them seem to be out of work.

Unaccountably, GPUgrid has work. Starting about 2 weeks ago I noticed my queue was full on al systems. I had set GPUgrid to 100 resource and Einstein to 0 months ago and I rarely saw a GPUgrid. Big change. IMHO GPUGrid pays more GRC coins than other projects.

Currently, I have 18 GPUgrid executing (really need GTX-1060 or higher) and 22 queued. About 2 out of 3 are Linux.

My ATI boards all run Milkyway.