It should be in the 'Boot' section of your BIOS.
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Nvidia Re-Size Bar/SAM support is live for some cards, more in March - 10% performance gains
- Thread starter Grim5
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Yah, turns out it was already off.
I haven't really seen a big improvement of fps with resizable bar on, seems like a gimmick?
Have you played a game that supports it?
There is only a handful that support it and the performance uplift is usually single digit percent so you're unlikely to notice much outside of benchmarking. it is kind of a gimmick for now but at the end of the day it's free performance for a few minutes of your time so can't complain
Played Rdr2 with it and couldn't really notice a difference , 3d Mark also did not show a good gain.
But hopeful that it'd still being developed. But it's not worth an upgrade in my opinion.
Soldato
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I have it enabled on my I7 8700k plus RX 6800xt and haven't noticed any issues so I'll just leave it on.
I have no benchmark run but it would be something I would like to do when get time.
I have no benchmark run but it would be something I would like to do when get time.
Soldato
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No difference for me, but 4K so was expecting it.
I agree. The game with biggest difference is Assassin's Creed Valhalla and that's still only 3-10 FPS extra at most at 1440P on my 3080, depending on the scene. AMD's version, called SAM, gets twice the improvement in this game and is generally a better implementation. You can see why AMD built their cards with it in mind whereas Nvidia enabled it last minute behind 'only enthusiasts need apply' hoops in response to AMD.
Still, I'm not complaining too much about a bit of extra performance in Valhalla.
It's only enabled in 17 games on Nvidia so far which is why 3DMark showed no improvement (even if it were enabled I doubt it would show an improvement as only certain games benefit). RDR 2 is one of the games that's supposed to benefit so you should have seen some improvement.
AMD enables it globally but I believe they have a blacklist of games with big performance regressions.
RDR 2, I'll play again , but fps is already high so it's usually in Saint Denis at night, the fps drops to 55fps and I didn't really see much but I'll check again.
Performance regression is not good, could they not just disable it for games that don't support it?
Well Nvidia claimed they were doing that but reviewers showed there were still regressions so it must be more difficult than you'd expect
saint dennis will drop performance across ALL gpus if you set lighting to ultra
practically, high/ultra in saint dennis makes the city look more alive with much refined lighting overall and this results as a huge performance drop
so it may not be attributed to rebar, its just saint dennis ultra lighting being saint dennis ultra lighting
don't drop it ofc, as long as u have a gpu that can push 50+ fps there no problem. it really enhances the city and only worthwhile "addition" for pc version over console versions in my perspective (barring the higher draw distance for vegetations). but you can try and test the phenomenon by pushing lighting to high or medium (there's a large perf. difference even between high and ultra lighting, but same goes for IQ)
practically, high/ultra in saint dennis makes the city look more alive with much refined lighting overall and this results as a huge performance drop
so it may not be attributed to rebar, its just saint dennis ultra lighting being saint dennis ultra lighting
don't drop it ofc, as long as u have a gpu that can push 50+ fps there no problem. it really enhances the city and only worthwhile "addition" for pc version over console versions in my perspective (barring the higher draw distance for vegetations). but you can try and test the phenomenon by pushing lighting to high or medium (there's a large perf. difference even between high and ultra lighting, but same goes for IQ)
It probably depends on loads of factors like specific CPU, mobo, GPU, memory, driver, OS, mobo BIOS. There are only so many combos Nvidia can test and if the game appear to largely nt be negatively affected then it is green lighted across the board.
weirdly i never noticed any negative effects on a freaking b450 and 2700x with the 3070 
i would expect this combo to be most problematic yet i see nothing bu improvement, even in rainbow 6, where i enabled it via nvidia inspector and gained a proveable %2-3 boost
i would expect this combo to be most problematic yet i see nothing bu improvement, even in rainbow 6, where i enabled it via nvidia inspector and gained a proveable %2-3 boostI got a 3080 FE about a month ago, and that supported ReBAR out the box.
weirdly i never noticed any negative effects on a freaking b450 and 2700x with the 3070
It's like all these features that are being drummed up are really not noticeable.
I was shocked to see that a 9th gen Intel 9700k cpu without hyperthreading performed just as good as 10th and 11th Gen i7s and i9s in gaming. I am now understanding why people are running to AMD for cpu chips
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No issues... I was commenting in response to the question if new shipping cards have the updated BIOS.