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[AdoredTV] Pascal vs Maxwell at same clockspeeds, same FLOPS (1080 vs 980 Ti) - Page 9

post #81 of 305
Quote:
Originally Posted by NightAntilli View Post

And the hardware still lacks the most important features that allow DX12 to flourish on it. Which means in a year or two, what happened to the 700 series will happen to the 1060/1070/1080 as well.

They might be fast right now, but they're a waste of money on the long term. You're better off buying a Fury card.
it is actually all falls right into planned, by the time Async compute are commonly use, Volta is out. Why put out a hardware that the market didnt use?
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post #82 of 305
Quote:
Originally Posted by Clocknut View Post

it is actually all falls right into planned, by the time Async compute are commonly use, Volta is out. Why put out a hardware that the market didnt use?
There's no planning here, certainly none that can be credited to nvidia. Developers waiting on them to catch up is not a plan, it's holding things back for everyone.
post #83 of 305
Quote:
Originally Posted by Clocknut View Post

it is actually all falls right into planned, by the time Async compute are commonly use, Volta is out. Why put out a hardware that the market didnt use?
It's called having longevity on your cards. Why would you buy hardware that will be obsolete in a year?

Of course it was planned on nVidia's side to release Pascal, simply to double cross AMD.. nVidia is a master in planned obsolescence. They know how to keep their users buying cards, even though paying the same price on the other company would net you usage that is twice as long. That consumers keep falling for it boggles the mind. They can do even more absurd things like the Founders Edition nonsense, and people still flock to them.
post #84 of 305
Same Gflops comparison is not so fair because GTX 980 Ti has 96 rops.

Even GTX 1070 beat GTX 1080 at same Gflops and memeory bandwidth because GTX 1070 has full 64rops. To get same gflops as GTX 1080, GTX 1070 needs to run at higher clocks. 64rops at higher clocks mean that you will have more geometry performance than GTX 1080
post #85 of 305
While shader performance doesn't paint a complete picture and the parts tested in the same FLOPS comparison did have different fill rates and memory bandwidth, it's still a fair confirmation of the core shader architecture being essentially identical between Maxwell and Pascal. This isn't a surprise, but it's nice to have experimental results.
Quote:
Originally Posted by Lays View Post

Why does it matter to what they perform like clock to clock, if the 1080 will always be like 400-600 mhz higher in actual usage?

It's an academic investigation into the architectures themselves. Understanding these patterns can help understanding current and future performance.

People who pay attention to architectural shifts are much less likely to be surprised or disappointed by new architectures because they have the knowledge needed to make more accurate inferences and deductions.
Quote:
Originally Posted by Randomdude View Post

When has that happened before?

Happens in shader limited scenarios anytime there isn't a significant advancement in shader architecture.
Quote:
Originally Posted by TheLAWNOOB View Post

1 Maxwell CUDA = 1.5 SP, Pascal CUDA = 2 SP.

An over generalization.
Quote:
Originally Posted by Mhill2029 View Post

Well this confirms my suspicions regarding Pascal, Nvidia pushed it to stupid high clocks just to be competitive against the previous architecture and make it look more impressive than it actually is.

Being able to reach the clock speeds it can reach is quite impressive. Academic discussions about architectural evolution aside, what really matters is performance, and a massive increase in clock speed is a sure-fire way to improve performance.

Given that it was likely easier to shrink and existing architecture and get better yields with less work, NVIDIA's approach was probably the correct one.
Quote:
Originally Posted by Catscratch View Post

But I thought fury line had "unbelievable" compression that it enables less memory to be used smile.gif

Why would you think that?
Quote:
Originally Posted by Catscratch View Post

I couldn't know the specifics, color compression etc, which started with R9 285 biggrin.gif

Delta color compression only applies to the frame buffer, which hasn't been the majority of VRAM use since the 1990s. It can't affect VRAM needs to any appreciable degree.

Additionally, neither company has any significant lead in compression technologies. For the last twenty years, whenever one would implement or improve a compression technique, the other would follow soon after. There is almost certainly very little practical difference between the last two generations of GCN and Maxwell or Pascal in memory compression.
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post #86 of 305
Quote:
Originally Posted by Exeed Orbit View Post

No it doesn't. The 1080 has fewer cores, less bandwidth. I don't know why this is such a big deal, the 1080, the retail one you can buy, out performs the 980ti by 30%. It outperforms the 980 (which it is now replacing) by a good 50%. You people are just LOOKING for reasons to complain. Performance is performance. They got MORE clocks, at LESS power.

People are not LOOKING to complain. It just a video to show those who maybe on the fence to upgrade that all your getting with Pascal is a speed increase due to a decrease in CUDA's and bandwidth that alone with a die shrink has allowed NVIDIA to bump up speed. Is it worth a $1k CDN price. Nope. Hopefully some one does the same with Polaris so all NVIDIA cry babies quit crying:D
post #87 of 305
Quote:
And the hardware still lacks the most important features that allow DX12 to flourish on it.
http://www.hardwareunboxed.com/amd-vs-nvidia-low-level-api-performance-what-exactly-is-going-on/
Quote:
it does strongly suggest that async compute isn’t really responsible for AMD’s stellar performance in Doom when using Vulkan.
Quote:
In that example we saw async compute was only improving performance by a few percent.
rolleyes.gif

async is overrated and AMD gains come from DX12/Vulkan fixing its DX11/OpenGL performance

they couldnt fix it themselves so they had to wait for new API to get it fixed redface.gif


Quote:
You're better off buying a Fury card.
nope
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post #88 of 305
I couldn't stand the voice and accent from the guy in the video tongue.gif
post #89 of 305
Quote:
Originally Posted by EniGma1987 View Post

Well, the FE models are really only 15% faster at best when you consider overclocks everyone should be running, or at least people here are running. 980Ti runs 1500MHz all day long easy, 1080 FE throttles to 1650 no matter what you set after a few minutes.


While true that the FE throttles quite heavily (I'm not sure of the exact numbers) that's to be expected with a stock air-cooled card. IIRC you can turn up the fans quite a bit and get average clocks a couple hundred mhz higher.

My MSI Seahawk EK hasn't gone below 2113 under full load since I overclocked it. This thing truly is a beast when overclocked and watercooled. I get the same FPS as one of my 290x's in poorly optimized games that put my 1080 at ~40% usage. Games that don't run like crap I get well over double.
Quote:
Originally Posted by Mhill2029 View Post

Well this confirms my suspicions regarding Pascal, Nvidia pushed it to stupid high clocks just to be competitive against the previous architecture and make it look more impressive than it actually is.

This doesn't even make any sense at all. Do you think them being able to "push it to stupid high clocks" isn't impressive in itself? When I saw the clocks on these I was hopeful that the 480 would have similar clockspeed up to the 1700-1800mhz instead of 2100 like the 1080/1070. Nvidia being able to do that while AMD couldn't is impressive imo.
Edited by wolfej - 7/28/16 at 8:08am
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post #90 of 305
Quote:
Originally Posted by ChevChelios View Post

http://www.hardwareunboxed.com/amd-vs-nvidia-low-level-api-performance-what-exactly-is-going-on/

rolleyes.gif

async is overrated and AMD gains come from DX12/Vulkan fixing its DX11/OpenGL performance

they couldnt fix it themselves so they had to wait for new API to get it fixed redface.gif
nope
Well, he regards Doom's Asynchronous Shaders equivalent to the premption of Time Spy, so that should give you an idea of the weight of his opinion.
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