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AMD Polaris architecture – GCN 4.0

D.P. said:
It is likely to clock significantly less because Pascal has been engineered to clock well at the expense of IPC. AMD have increased IPC which will undoubtedly affect max clocks because the 2 are intrinsically linked.
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So basically the 1070 will likely be around a stock 980ti if rumours are to believed and probably won't clock anywhere as good as a 980ti does? However it will be cheaper and on a new platform which has its own benefits.

That's actually not a bad thing, basically offering your previous tier top card as the next tier lower tier and cheaper. I still expect the 1070 to sell in droves many people don't over clock their cards and being told your basically getting a 980ti for £250-300 will make them fly off the shelves

Hopefully AMD can spoil that party, they need to do something special and I hope they do
 
D.P. said:
So you comping 1079 to 1080? My guess they would lock similarly, the 1070 might clock higher due to better thermals.
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I know! Read the post above that one you quoted.

I should have quoted it but im on my phoneand cant be faffed to change it now :p
 
D.P. said:
But you are ignoring that way less than 25% of the 1070 is disabled. 25% of the CUs are disabled but that is a much smaller,percentage of the entire GPU. A lot of die area exist in things like video encoding, ROPs, memory interface, GPU front-end that exist in the entirety.
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Well technically the memory is cut down too (though not the interface) because it has 80% of the memory bandwidth.

And again, the point is if you took the 1070 as completely 25% smaller, then P10 would be ~15% larger (or more transistors). So then you'd assume it would handily beat the 1070.

I agree that it's not as simple as that, so I'm saying I expect them to be more like within 5% of each other. But I'll be very surprised (based on specs of the processes) if P10XT is significantly slower than the 1070.
 
SiDeards73 said:
So basically the 1070 will likely be around a stock 980ti if rumours are to believed and probably won't clock anywhere as good as a 980ti does? However it will be cheaper and on a new platform which has its own benefits.

That's actually not a bad thing, basically offering your previous tier top card as the next tier lower tier and cheaper. I still expect the 1070 to sell in droves many people don't over clock their cards and being told your basically getting a 980ti for £250-300 will make them fly off the shelves

Hopefully AMD can spoil that party, they need to do something special and I hope they do
Click to expand...

Yes a french review site jumped the gun on the nda and posted a review (pulled now). It is slightly faster than a 980ti in 1080p/2440p
But naturally loses that at 4k. 10% faster across the board in dx12 (ashes and hitman) so looks like there are some dx12 improvements. Still seemingly not quite as good as AMD in dx12 though.
 
SiDeards73 said:
So basically the 1070 will likely be around a stock 980ti if rumours are to believed and probably won't clock anywhere as good as a 980ti does? However it will be cheaper and on a new platform which has its own benefits.

That's actually not a bad thing, basically offering your previous tier top card as the next tier lower tier and cheaper. I still expect the 1070 to sell in droves many people don't over clock their cards and being told your basically getting a 980ti for £250-300 will make them fly off the shelves

Hopefully AMD can spoil that party, they need to do something special and I hope they do
Click to expand...

The 1070 might clock better than the 989ti, it specifically designed to clock well. A lot will come down to how the process stacks up.

Early I sciatic s are GP106 actually clocks just as well if not better than the 980ti. The early 980s never hit the high clock speeds. It always takes time for ASIC quality to improve, bios fine tuning, drivers, understanding the new boost technology. Best clocks always come at end of a GPU lifetime. No one was hitting 1.5Ghz on a 980ti at launch.




I think the fastest Polaris will run a little under a 1070. The leaked benchmarks indicate that. But AMD need to price it right. At $300 it would be Ok but not fantastic given 1070 prices. At $250 they would definitely take sales from Nvidia.
The question will be when Nvidia 1060 is released, it's price point and if performance sits close to Polaris 10.
 
AllBodies said:
Well technically the memory is cut down too (though not the interface) because it has 80% of the memory bandwidth.

And again, the point is if you took the 1070 as completely 25% smaller, then P10 would be ~15% larger (or more transistors). So then you'd assume it would handily beat the 1070.

I agree that it's not as simple as that, so I'm saying I expect them to be more like within 5% of each other. But I'll be very surprised (based on specs of the processes) if P10XT is significantly slower than the 1070.
Click to expand...

The 1070 has a complete 256bit memory interface just like a the 1080, so all the die area for the memory is being utilized at 100%.

The best waY to look at is the performance effect of loosing the CUs. About 19-20% slower in most situations. So 1070 is 80% of the 1080.

Polaris 10 will be close, maybe another 15-20% behind.
 
D.P. said:
The 1070 has a complete 256bit memory interface just like a the 1080, so all the die area for the memory is being utilized at 100%.

The best waY to look at is the performance effect of loosing the CUs. About 19-20% slower in most situations. So 1070 is 80% of the 1080.

Polaris 10 will be close, maybe another 15-20% behind.
Click to expand...

So...the clockspeed of the memory has no effect on performance, just the bit-width?
 
AllBodies said:
So...the clockspeed of the memory has no effect on performance, just the bit-width?
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It has no effect on the die area being utilized. You are trying to make a comparison of die area, not memory clock speeds which are an entirely different discussion.
 
D.P. said:
The 1070 has a complete 256bit memory interface just like a the 1080, so all the die area for the memory is being utilized at 100%.

The best waY to look at is the performance effect of loosing the CUs. About 19-20% slower in most situations. So 1070 is 80% of the 1080.

Polaris 10 will be close, maybe another 15-20% behind.
Click to expand...

DP mind keeping the mass debate on 1070 vs 1080 to the Nvidia threads please? By all means compare with Polaris but try and keep the main body to Polaris, adding a single line about Polaris to your wall of text about Nvidia is clever but very transparent.

Not just this post host most of your posts in this thread mate, we know your a massive Nvidia fan it's obvious to all, but try to leave it at the door and just discuss Polaris or at least keep it centered on Polaris.
 
D.P. said:
It has no effect on the die area being utilized. You are trying to make a comparison of die area, not memory clock speeds which are an entirely different discussion.
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No. My entire point is to show on paper they should have extremely close performance, because they should effectively have extremely similar amounts of transistors dedicated to performance (and in fact P10 probably has a few more). And it should be safe to assume at this point Nvidia and AMD have close performance per transistor.

You're taking what I'm comparing too literally.
 
SiDeards73 said:
DP mind keeping the mass debate on 1070 vs 1080 to the Nvidia threads please? By all means compare with Polaris but try and keep the main body to Polaris, adding a single line about Polaris to your wall of text about Nvidia is clever but very transparent.

Not just this post host most of your posts in this thread mate, we know your a massive Nvidia fan it's obvious to all, but try to leave it at the door and just discuss Polaris or at least keep it centered on Polaris.
Click to expand...

We are having a discussion on Polaris vs 1070. No one is forcing you to read the posts.

I'm a fan of technology. I don't care at all about the companies , they only care about shareholders.
 
SiDeards73 said:
DP mind keeping the mass debate on 1070 vs 1080 to the Nvidia threads please? By all means compare with Polaris but try and keep the main body to Polaris, adding a single line about Polaris to your wall of text about Nvidia is clever but very transparent.

Not just this post host most of your posts in this thread mate, we know your a massive Nvidia fan it's obvious to all, but try to leave it at the door and just discuss Polaris or at least keep it centered on Polaris.
Click to expand...

I guess a Nvidia sales guy can't preach to the converted so has to spam this thread ;)
 
CAT-THE-FIFTH said:
Hopefully AMD can surprise us.
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Would be interesting - but people are quick to forget the pre-launch hype of previous AMD generations so I wouldn't hold my breath based on twitter comments - anyone remember the ones from Dice? :p

AMD's marketing director seems to confirm that their first round of releases will be targeting mainstream however.

EDIT: nVidia could have done with more of this at their launch event heh https://twitter.com/killyourfm/status/736597126050775040
 
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