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[Wccftech]AMD Radeon RX 580 Overclocking and Benchmarks Unveiled – Clocked Up To 1500 MHz On Liquid Cooling - Page 12

post #111 of 147
Quote:
Originally Posted by BiG StroOnZ View Post

This is what Polaris 10 was supposed to be. If the 480 launched like this, things would be a lot different. Regardless, I'm gaining more confidence in the LPP/LPC process (what they are using here). It is a lot better than 1st Gen 14nm LPE.

Hopefully, we can expect that Zen+ has the same improvements to clockspeed (it should). This is more a demonstration of technological improvements with the lithography rather than being some groundbreaking new GPU release. Meaning, while these gains here aren't that amazing.

We have two things to look forward to now after seeing this:

1) Vega is using 14nm LPP/LPC, which means the whole overclocking problems we saw with Polaris 10 should not be present with Vega (1500MHz+ clockspeeds are actually realistic now). If this isn't the case, then Radeon Technologies Group is going to have serious problems.

2) RyZen suffers from again, a lack of overclocking headroom and basically you have a golden sample if you can achieve a 4.2GHz overclock. Meaning, with the improvements seen and refinement of the 14nm LPP process we can expect 4.5GHz overclocks on Zen+. Without looking at competition this will be great to see AMD achieving tantamount or better overclocking compared to 8 and 6 Core Haswell-E / Broadwell-E chips. Now here is where things are going to get tricky, I have a feeling that Skylake-X is going to impress us greatly with what an 8 core and 6 core chip can do clockspeed wise. Especially those Kabylake-X chips (even though those are only 4 Core parts). I think Intel is going to start gaining a severe clockspeed advantage. 4.0GHz base to 4.2GHz boost (or higher like we see with Kaby Lake) stock on Skylake-X (or something similar) then overclocking means +500MHz typically (4.7GHz, which brings us back to Sandy Bridge-E days; do we see 5GHz again like we do with Kaby Lake!?) but again with 6 Core and 8 core parts. The 10 Core will probably see a nice boost in clockspeeds as well. Maybe around 4.4-4.5GHz average (they are only doing 4.1GHz average right now, which is understandable). Now onto the Kabylake-X chips. They are only 4 Core parts and 2 channel on again an Enthusiast platform. The only idea I have about these parts is that they are for extreme overclockers. 4GHz base and 4.8GHz boosts out of the box, 5GHz is a quick and dirty overclock and if we +500MHz a 4.8GHz boost you are in the 5.3GHz overclocking territory for a decent overclocker without having a binned chip. If this all pans out, it means we are looking at another Penitum 4 vs Athlon 64 Era, where the clockspeeds and core counts are making way again. This all means the stagnation we have been seeing in the CPU field for the past 3-4 years is finally coming to an end.

Sorry if this seems a little off topic but it is all connected to lithography and maturation of the 14nm fabrication process.

Polaris GPUs and Ryzen are 14nm LPP.
The "3rd gen" Samsung FinFet (LPC) is just cost optimized LPP.

Generally lower cost doesn't imply higher performance, by any means.
post #112 of 147
https://www.youtube.com/watch?v=cAVRMZw0Boc
AMD RX580 GPU Review Powercolor Devil
Edited by devilhead - 4/18/17 at 6:40am
post #113 of 147
Quote:
Originally Posted by The Stilt View Post

Polaris GPUs and Ryzen are 14nm LPP.
The "3rd gen" Samsung FinFet (LPC) is just cost optimized LPP.

Generally lower cost doesn't imply higher performance, by any means.

My theory is that, the lower cost implies better yields, as more maturation from the process itself, otherwise how would they be able to deliver lower cost; which as a result of better yields, means better binned chips, and thus better performance.

Hope that makes sense. thumb.gif
Edited by BiG StroOnZ - 4/18/17 at 5:40pm
post #114 of 147
Quote:
Originally Posted by BiG StroOnZ View Post

My theory is that, the lower cost implies better yields as more maturation from the process itself, otherwise how would they be able to deliver lower cost, which as a result of better yields means better binned chips and thus better performance.

Hope that makes sense. thumb.gif

Or lower cost lead to lower costing end product for the consumer...
post #115 of 147
Quote:
Originally Posted by budgetgamer120 View Post

Or lower cost lead to lower costing end product for the consumer...

That too.
post #116 of 147
Just ordered the sapphire nitro 580 limited to try out. My old 770gtx had been a workhorse but it sadly passed away a few weeks ago. Can't wait to give it a go.
post #117 of 147
Quote:
Originally Posted by kittysox View Post

Just ordered the sapphire nitro 580 limited to try out. My old 770gtx had been a workhorse but it sadly passed away a few weeks ago. Can't wait to give it a go.

Should be decent but I would undervolt the crap out of it.

The voltages AMD is putting on these is insane and that leads to massive increases in power.

From 1.0V (similar to Geforces) to 1.2V is 20% increase and if the power goes up proportionally with the square of voltage that is a > 40% increase in power.

Any decent card should be able to get > 1200MHz on a mere 1.1V , the one in the TPU review could do 1400MHz at 1.12V.

If you look at their previous ASUS RX 480 STRIX review they have a graph

https://www.techpowerup.com/reviews/ASUS/RX_480_STRIX_OC/27.html
and also one for reference

https://www.techpowerup.com/reviews/AMD/RX_480/28.html

see RX 480 undervolting (http://www.legitreviews.com/amd-radeon-rx-480-undervolting-performance_183699)
Edited by AlphaC - 4/18/17 at 5:56pm
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Workstation stuff
(407 photos)
SpecViewperf 12.0.1
(117 photos)
PGA 1331
(13 items)
 
CPUMotherboardGraphicsRAM
AMD Zen SR7 octocore (Ryzen 7 1700) Overclockable AM4 motherboard X370 To be determined , AMD Vega? 2x8GB DDR4 low-profile or heatsink-less 
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Samsung 950 Pro / 960 Evo / 960 Pro 256GB or 51... Samsung 850 Evo 1TB SSD Storage Black or black+white Twin tower air cooler or s... EK Vardar F2-140 140mm, Phanteks PH-F140SP 140m... 
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post #118 of 147
Polaris 10 just isn't designed for high speed. Look at Ryzen's speed and then the 580 - don't these two pieces of silicon now use the same 14nm process? I know there are significant difference between CPUs and GPUs, but one is tapped out near 4 GHz, and the other around 1.5 GHz. Meanwhile nVidia is a few hundred MHz faster with much lower voltages.
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post #119 of 147
Quote:
Originally Posted by umeng2002 View Post

Polaris 10 just isn't designed for high speed. Look at Ryzen's speed and then the 580 - don't these two pieces of silicon now use the same 14nm process? I know there are significant difference between CPUs and GPUs, but one is tapped out near 4 GHz, and the other around 1.5 GHz. Meanwhile nVidia is a few hundred MHz faster with much lower voltages.
RX580 ~1400mhz vs GTX 1060 2100mhz and still beats it in non-Gameworks games
clocks aren't everything, Nvidia just happens to have better fabs, therefore Maxwell on roids
post #120 of 147
I just can't, for the love of all things holy, understand how AMD names their cards these days.
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Overclock.net › Forums › Industry News › Rumors and Unconfirmed Articles › [Wccftech]AMD Radeon RX 580 Overclocking and Benchmarks Unveiled – Clocked Up To 1500 MHz On Liquid Cooling