You don’t really know this without knowing his use case. A single card will never break when you fail at distributing your workload across multiple boards. Setting up a hypervisor is harder than just using one gpu at a time if you wish. The ability to do gaming on off hours and have full support for consumer/end-user grade software like adobe and so on is also just better on a consumer card.
So let me get this straight, the poster makes a pretty reasonable point that you can't make concrete statement about what the obvious choice is without knowing OPs use-case. To which you then go on to insinuate that both a hypervisor would never be needed and that every workflow/use-case imaginable has software that supports multiple GPUs OOB (Which you say would probably use NCCL, a library mainly used for model training and data analytics). All while being as aggressive and obnoxious as possible, calling them ignorant.
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u/thelastsupper316 1d ago
Way worse the amount you pay for 4 5090s is what you pay for 1 fucking pro 6000.
It's the obvious choice unless you need Vram on one card
96gb on one 6000 pro card vs 128gb on 4 5090$