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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 206

post #2051 of 3344
I cant test with Ubermix or UberExtreme, as they give me plenty of errors even on stock 2000mhz. Do not want to add voltage.

Which is more important: speed or latency?

The answer to this classic question is speed. In general, as speeds have increased, true latencies have remained approximately the same, meaning faster speeds enable you to achieve a higher level of performance.
True latencies haven't necessarily increased, just CAS latencies.
And CL ratings are an inaccurate, and often misleading, indicator of true latency (and memory) performance.
post #2052 of 3344
Quote:
Originally Posted by mtrai View Post

I see...I only modified my RX 480 to never spin up...since I put an AIO I had laying around on it. I used 1.4 but just looked at the bios in 1.2 carried over the same settings. Checking it now though.

I see where 1.2 makes changes that 1.4 show but 1.4 does not show target temp.

Assuming dual bios switch...you could edit it in 1.2 save, and edit 1.4 if you need to use more of the added features. Worse case is a boot up on working bios, start atiwinflash then flip your bios switch and flash you working bios back.

Try this version. It's based off 1.4 and has responsive gui (thx zielas69) + target temperature setting.
post #2053 of 3344
Rx 480 nitro+ 4gb oc to 1510 - 2200 @1.25v

Driver 17.1.2, i've tried 17.4.2 but nothing improvement in score.

And this with tessellation off i got 17.104 graphics score
With tessellation on, it scored around 16100

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post #2054 of 3344
That score is nuts man haha thumb.gif
post #2055 of 3344
if you are on air, you got an uber Gold chip!
post #2056 of 3344
Quote:
Originally Posted by chris89 View Post

That score is nuts man haha thumb.gif

Yea, i also found that disabling C state (C1,C3,C6), can increase score up to 300 points.

And enabling pcie spread spectrum could stabilize my card under that voltage. I dont know why without it, my card cannot stable under that clock and voltage.
Quote:
Originally Posted by nolive721 View Post

if you are on air, you got an uber Gold chip!

Only 77% Asic bro, not even gold. haha
Mine is under water using Maelstrom 240T. Only peaked at 55 degree celcius.


Edited by ekoaja - 4/14/17 at 6:24pm
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post #2057 of 3344
That's really cool man, yeah the spread spectrum. Other than stability what does it seem to do to the cards clocks etc?

To me, it's like the electrical sine wave the gpu emits under load is obviously slightly erratic right? like the voltage coming in from psu is not a fine constant so having it enabled allows the wave to ride out it's native form... Rather than be attempted to be controlled which could at extremely high clocks cause instability... like 1500mhz spread spectrum kinda lets the 100mhz pcie slot deviate down below 100mhz at times to keep it stable... haha

I always liked spread spectrum off because I didn't like to see the clock hop all over and be not precisely the clock I set ya know? Like set 3500mhz but would hop around 3498 3497 3501 mhz etc hahahaha
post #2058 of 3344
Quote:
Originally Posted by chris89 View Post

That's really cool man, yeah the spread spectrum. Other than stability what does it seem to do to the cards clocks etc?

To me, it's like the electrical sine wave the gpu emits under load is obviously slightly erratic right? like the voltage coming in from psu is not a fine constant so having it enabled allows the wave to ride out it's native form... Rather than be attempted to be controlled which could at extremely high clocks cause instability... like 1500mhz spread spectrum kinda lets the 100mhz pcie slot deviate down below 100mhz at times to keep it stable... haha

I always liked spread spectrum off because I didn't like to see the clock hop all over and be not precisely the clock I set ya know? Like set 3500mhz but would hop around 3498 3497 3501 mhz etc hahahaha

Is there any way to monitor pcie clock ?

Interesting thing about RX 480 is when i tried to increase pcie clock from 100 to 103 it blank screen. I dont know why. Because with my gtx 980, i can set even 115 pcie clock.

I stay at stock, yet it unstable at 1500 and up. So i enabled Pcie Spread Spectrum and i can go up to 1530 stable without any crash.
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post #2059 of 3344
@generaleramon
Do you have any idea how to edit the memory controller voltage in bios (Hex address ) , whenever i change that voltage in editor , wattool still shows the same reading .
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post #2060 of 3344
Quote:
Originally Posted by ekoaja View Post

Yea, i also found that disabling C state (C1,C3,C6), can increase score up to 300 points.

And enabling pcie spread spectrum could stabilize my card under that voltage. I dont know why without it, my card cannot stable under that clock and voltage.
Only 77% Asic bro, not even gold. haha
Mine is under water using Maelstrom 240T. Only peaked at 55 degree celcius.


ah makes sense now indeed:D ASIC 77.9% here and 1450Mhz on air at 1.23V, even with more voltage, card would crash with anything more on the core when starting a game or synthetic benhmark:p

maybe one day moving to water cooling who knows.....
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