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[AMD] Polaris based RX 480 and "High performance solutions" announced at computex - Page 50

post #491 of 1394
Quote:
Originally Posted by lolerk52 View Post

AMD and NVIDIA rate wattage differently.
It is believed RX 480 only uses 90-110 watts in actual gameplay, where as the 1070 is closer to its spec.

That changes from card to card. 390x was often exceeding it's TDP (way exceeding) in AIB models, just like Tonga.
post #492 of 1394
Quote:
Originally Posted by lolerk52 View Post

http://images.anandtech.com/graphs/graph8460/67234.png

R9 290 has a memory bandwidth of 320GB/s, R9 285 has a memory bandwidth of 176GB/s.
R9 285 still wins in the memory bandwidth bound test.

So yeah, compression does wonders.

R9 285:- 3.5TFLOPS
R9 290:- 4.8TFLOPS

If the Tonga is better than Hawaii on the memory side due to compression the difference in performance will not be that much between the 285 and 290.
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post #493 of 1394
I wonder if there is a correlation between AMD using CF for promotion of polaris and Nvidia's lack of SLI support(slow start) on the 10xx launch. Trying to understand the launches and whats going on with the man behind the curtain.
post #494 of 1394
Also, R9 Nano is a 175W card I believe. Is the RX 480 beating the Nano? Just trying to figure out where AMD got the 2.5 improvement factor from, when it comes to performance per watt.
post #495 of 1394
Quote:
Originally Posted by dagget3450 View Post

I wonder if there is a correlation between AMD using CF for promotion of polaris and Nvidia's lack of SLI support(slow start) on the 10xx launch. Trying to understand the launches and whats going on with the man behind the curtain.

AMD used CF as the only mean to avoid comparing P10 to almost 2 year old GPUs and to not lose in comparison in the same time.
Quote:
Originally Posted by Mack42 View Post

Also, R9 Nano is a 175W card I believe. Is the RX 480 beating the Nano? Just trying to figure out where AMD got the 2.5 improvement factor from, when it comes to performance per watt.

Unless AMD's drivers drastically improve in next month, i believe Rx 480 is not going to beat Nano. In fact, unless AMD overrated TDP of P10, it will be about as efficient as Nano or even less.
post #496 of 1394
Quote:
Originally Posted by headd View Post

That pic is useless for me to estimate the performance, memory compression efficiency probably improved, but by how much, thats the info I need.
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post #497 of 1394
Quote:
Originally Posted by clao View Post

$199 hmm replace my 290x or no hmmmm temping hmmm lol jking maybe ill wait a bit later

Yea. It's a great part, but for us, we need to wait for Vega or get nvidia. Well I can't get nvidia cause I have a freesync monitor.
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post #498 of 1394
Well they have only been comparing to their cards with their efficiency numbers. They only stated that they have improved their efficiency, not that they have achieved greater efficiency than Nvidia.
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post #499 of 1394
Quote:
Originally Posted by lolfail9001 View Post

AMD used CF as the only mean to avoid comparing P10 to almost 2 year old GPUs and to not lose in comparison in the same time.
Unless AMD's drivers drastically improve in next month, i believe Rx 480 is not going to beat Nano. In fact, unless AMD overrated TDP of P10, it will be about as efficient as Nano or even less.

Then I really don't get where AMD got the 2.5x factor from at all. They compared to the generation of cards before Nano/Fury? Starts to sound shady. Anyway...
post #500 of 1394
And they bring out the Ashes of Singularity benchmark....amazing.
    
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