I think I will get an rtx 3090 to game, have as a work workstation, and mine at nights to keep the house warm in winter time.
Those that bought 2080 ti to mine with is just plain dumb due to only 11 mb vram and huge price tag.
However the 3090 probably wont' be as bad b/c it has 24mb vram is HUGE! compared to the 11 VRAM on 2080 ti. You can potentially mine complex algos like Grin that gives some advantage to those with Big Vram. However Grin hype had faded and profits not all that great with Grin. But i think it's a good long term hold. 3090 is a good card to make you feel like you got a ferrari and geek out on.
i'll probably get a 3080 as well. These seems to be a good balance for those looking to build dense rigs, less cards to maintain. This has a tad better memory over the 3070. Just one on launch till we see more mining performance.
3070 rtx sounds pretty awesome also if you plan to go all in on mining and buy tons of video cards.
Nowadays I just mine for hobby and try to find good colo's that can try to work with gpu miners. Most colo's hate gpus and only want to work with asics.
Overall you can't go too wrong with Nvidia. All the nvidia cards 10 series 20 series are still mining today whereas those with rx570/rx580 dropped tons of value and big farms had to shut down rigs and sell off their cards, they were the ones left holdings the heavy bags of overpriced outdated gpus. Dont' make that same mistake. All because they rather save a few bucks on the initial cost and weren't thinking about long term play. They were thinking of the short term current profitability of that time..
It's safe to say if you get an nvidia 3000 series you will be mining them for at least 3 years minimum. 10 series been mining for 4 years+ still. Asics sort of depressing to see it only mine for 1 year and than you gota figure out how to recycle them.
Nvidia's may not roi as fast as AMD but overall nvidia is a lot more fun to mine with and more algos and tends to have a longer mining lifecycle especially if you have 8 cent electric or better.
big vram mining advantage like grin, is a gamble might be worth it or not, a new coin or an algo change might utilize it 24gb advantage. but if the gamble worked you're going to be a happy guy hehe
but overall nvidia is a lot more fun to mine with and more algos
I think this part is the one getting fpga'd. - "GPU core intensive algos"
GPU mining with ETH showed that GPU's can withstand asics and fpgas with "memory technology", core reliant algos do not.
Watch the VRAM tech in both AMD and NVIDIA, that's is the key if you still want to GPU mine for the coming years hehe for me 3090 is a good personal rig gpu, if you manage to ROI even half the price with mining- you are still a winner. I don't care if a card needs 3 or even 4 pcie lanes and consumes 400-500watts, as long as it is not 2 cards that sli or crossfire where it chokes the card above lol (I don't do liquid cooling btw).
3090 want to test my 3 card - 1300w psu rig setup, 3080 is still a sure thing for this config, maybe a 3090 model that is not a factory overclock from a 3rd party manufacturer might not be a power hog to breach my 1300w 3 card setup, they make product line up for a specific model i.e. 3090 and call them 3090 ultra, 3090 basic or 3090 advance (clocks differ). I like mining rig density too.