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[Tech4Gamers] nVidia shows off Pascal at GTC 2015 - Page 13

post #121 of 229
Quote:
Originally Posted by twitchyzero View Post

can someone school a noob?

HBM2 vs GDDR5 at same resolution and same capacity will require same amount of frame buffer to be used in gaming, yes?

The only advantage is offering significantly faster access?

Yes.

Edit: what he ^ said
post #122 of 229
ATM, the only advantage I see with HBM2 is capacity and if you n3d more than 4GB GPU's anytime soonish. As far a multi GPU scaling, id be very surprised if Nvivida ever gets SLI done right
post #123 of 229
some,ekhm,certain people, claim hbm takes "slower to saturate" cause it's got more bandwidth therefore 4GB HBM is like more of GDDR5, but I tested 6.6GHz vs 8GHz DDR5 and 70GB/s in bandwidth did not change vram usage at all. at all. it's not like I think 4GB is not enough, it's plenty. I just see no point in spreading any hbm exclusivity or hbm "slower saturation" BS. Let's keep it professional here.
Edited by Klocek001 - 10/5/15 at 11:13am
post #124 of 229
Quote:
Originally Posted by knightsilver View Post

As far a multi GPU scaling, id be very surprised if Nvivida ever gets SLI done right

Probably depends on whether it's an architectural limitation (that Pascal might fix), a software issue (must be tricky though, if they haven't been able to fix it yet), or a conscious decision they made in the interest of providing consistent frame timing. My guess would be that the SLI link is a less-than-ideal solution, and contributes to their problem.
post #125 of 229
Thread Starter 
Quote:
Originally Posted by twitchyzero View Post

can someone school a noob?

HBM2 vs GDDR5 at same resolution and same capacity will require same amount of frame buffer to be used in gaming, yes?

The only advantage is offering significantly faster access?

It (HBM1 and 2) is also smaller in size and uses less power.

Quote:
Originally Posted by knightsilver View Post

ATM, the only advantage I see with HBM2 is capacity and if you n3d more than 4GB GPU's anytime soonish. As far a multi GPU scaling, id be very surprised if Nvivida ever gets SLI done right

Soon nVidia will be moving away from SLI in the classical sense. They are now focusing on NVLink, which is going to be superior to SLI and allow for much higher bandwidth between video cards, but more of them and also the ability to better connect to CPU's (now with the IBM Power 9, but eventually, the talk is with Intel CPUs down the road).
Edited by 47 Knucklehead - 10/5/15 at 11:24am
post #126 of 229
Quote:
Originally Posted by twitchyzero View Post

can someone school a noob?

HBM2 vs GDDR5 at same resolution and same capacity will require same amount of frame buffer to be used in gaming, yes?

The only advantage is offering significantly faster access?

Fury cards regularly use less memory than competition even with same or less amount of memory.
    
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post #127 of 229
Quote:
Originally Posted by gamervivek View Post

Fury cards regularly use less memory than competition even with same or less amount of memory.

That's just an example of better memory management, not anything inherent in HBM.

They made a big deal about how they were going to focus more on using VRAM better (because they have to now that they have a limited amount) before the Fury launch.
post #128 of 229
Quote:
Originally Posted by jdstock76 View Post

About the time they released the TX. Then a cut down ~ti version 3 months later. biggrin.gif
Yes, yes we do. They've been following that model. Which is fine. Looks like I get a new toy to bench with to compare to the 980ti. biggrin.gifbiggrin.gifbiggrin.gif

On that note: Again where are those that thought this wouldn't release till late '16 early '17? Hahahaha lachen.gif
Ehm, earliest we get is late Q2. And its possibly a non-consumer product.
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post #129 of 229
Quote:
Originally Posted by Forceman View Post

That's just an example of better memory management, not anything inherent in HBM.

They made a big deal about how they were going to focus more on using VRAM better (because they have to now that they have a limited amount) before the Fury launch.

They use less memory than GDDR5 cards. Doesn't matter what you think they do.

If AMD made a big deal about memory management before, then at least they got that right.
    
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post #130 of 229
Quote:
Originally Posted by KyadCK View Post

Correct, the the same amount of VRAM should be used on each standard. Memory standards won't change this, only things like being more aggressive with memory cleanup, or being more stingy on how much is loaded and why.

HBM's primary advantages are that is is more dense (smaller), closer to the die (latency), consumes much less power for the speed and capacity it gives, has more ability to scale up for both capacity and speed, and greatly simplifies the memory controller on the die, making it less complex, consume less power, and be easier to implement.

It's downsides for now are lack of true mass production (should be solved soon) and very expensive due to lack of production (slower to be fixed), and reliance on an interposer rather than being soldered to PCB, which itself boosts costs and adds some complexity.

It's like any memory revision before it, it doesn't change how the system works, it just tries to be better at the task in every way.

So, being "better at the task in every way" means that it's easier to increase the amount of memory and/or the available bandwidth, to support increasing demands from content? So if you could only budget 4GB of GDDR5 due to size or power limitations, you'd be able to cram more HBM2 in with similar limitations?
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