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[Official] Polaris Owners Club - Page 51

post #501 of 4344
Quote:
Originally Posted by slavovid View Post

Hey guys. I've been told from a poster here that the MSI RX 480 Gaming X is using 4+2 vrm and i was a bit worried but then i found that i missed the pictures of the vrm on this review

http://www.overclockers.com/msi-rx-480-gaming-x-8g-video-card-review/

it is visible that they are actually 6+2 am i wrong or i don't understand what is going on here?

They added 2 phases at the last second. It's 6+2 now.
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post #502 of 4344
6+2 its a custom pcb, but yes 6+2
post #503 of 4344
It's a wash on the reference rx480 then because it's power limit on the motherboard and 6pin that hold us back not the heat or ability for polaris to clock higher.

I set my ram to 10-11-11-24-1t (I upped the voltage but didn't check first to see if it needed it or find the bottom voltage for that setting. I'll do that later.) I also ran another valley at 5.1 but lower cpu voltage. Pretty unstable voltage for 51. 1.465v. Anyway the 1t seemed to have a bit of an effect or had a lucky run with the vmem. I still used the 1435 2220 setting for this run. I don't want to go higher than 1435 for 24/7 so I don't feel like benching higher than that right now. Just more seeing what a newer higher ipc cpu might do with the rx480 more than anything.

cpuz - http://valid.x86.fr/48u56m








Unigine Valley Benchmark 1.0







FPS:
60.2
Score:
2519
Min FPS:
31.0
Max FPS:
114.8

System






Platform:
Windows 8 (build 9200) 64bit
CPU model:
Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz (3998MHz) x4
GPU model:
Radeon (TM) RX 480 Graphics 16.200.1035.1001 (4095MB) x1

Settings






Render:
Direct3D11
Mode:
1920x1080 8xAA fullscreen
Preset
Extreme HD

Powered by UNIGINE Engine


Edited by greytoad - 8/12/16 at 4:54pm
post #504 of 4344
I discover with a less memory clock reduce almost to zero the memory errors, and now i get a stable with the same voltage 1440 mhz with 4º less in the Core - And like @greytoad say if you have less memory errors will have better performance, for example:

This results of Unigine Heaven with 1430 Mhz and 2350 mhz but a lot of memory errors

FPS: 68.8
Score: 1732
Min FPS: 17.8
Max FPS: 139.4

This results of Unigine Heaven with 1430 Mhz and 2185 mhz same voltage in all

FPS:72.8
Score: 1833
Min FPS: 24.4
Max FPS: 154.1

Its a big difference and 4º less.-

Unigine Valley Benchmark 1.0 (1430 Mhz - 2185 Mhz)


FPS: 57.2
Score: 2391
Min FPS: 25.6
Max FPS: 113.4


Render: Direct3D11
Mode: 1920x1080 8xAA fullscreen
Preset: Extreme HD

Platform:
Windows NT 6.2 (build 9200) 64bit

CPU model:
AMD FX(tm)-8320 Eight-Core Processor (4515MHz) x4

GPU model:
Radeon (TM) RX 480 Graphics 16.300.2511.0 (4095MB) x1


So pay attention in memory errors biggrin.gif
Edited by GecKoTDF - 8/12/16 at 5:29pm
post #505 of 4344
Quote:
Originally Posted by MexGT View Post

Does anyone know where can I find a comparisson between a GTX 680 vs an RX 480 ?

http://www.anandtech.com/bench/product/1748?vs=1719

It's a bloodbath.
post #506 of 4344
Okay, after much testing with my Sapphire Nitro+ RX 470 OC, I'm convinced the memory clocks or controlled voltage aren't being respected, despite reporting 2100Mhz memory clocks, over the baseline 1750Mhz, I see no performance increase anywhere, nor any memory errors at all.

Further, decreasing the memory voltage down to 900mv has no impact at all in achieving a memory error.

Going to R&R the drivers and check again.

I'm also limited to 1.35Ghz at 1168mv, so I would need an unlocked BIOS to try for more.

My best Valley Extreme HD score was 2106. I'm running a 4.5Ghz i7 2600k with 16GB CL9 DDR3-2133 RAM.

EDIT: UPDATE:

DDU'd the driver, reinstalled the only RX 470 driver (16.8.1) and still the same deal.

I also set the memory controller voltage to 500mv just to see... and nothing. No crash, no change, nada. So it seems memory control is broken. Anyone else out there with an RX 470 that wants to test to see if it genuinely works for them?

EDIT 2: oh, I see there's a new driver already... gonna try that out.
Edited by looncraz - 8/12/16 at 8:14pm
post #507 of 4344
Quote:
Originally Posted by Awesomeguy10578 View Post

Hey everyone! I just got these RX 480 cards not too long ago and I'm quite impressed. I got a HIS and an XFX card because I want a backplate for my top card while I want no backplate for my bottom card because it can starve the top of airflow. Also I am running these with the der8auer Asus Unlocked Air BIOS running at 1360MHz/2225MHz 1.212v for these benches which I'll share my benchmark scores here.
Warning: Heaven (Click to show)
3DMark Firestrike
http://www.3dmark.com/3dm/14043137
3DMark Timespy
http://www.3dmark.com/3dm/14043291

This is my new main PC but I haven't updated my rig (I'll do that soon) here but my specs are:
Intel Core i7 4790K 4.6GHz (4.9GHz benchmarks)
Asus Maximus VII Gene
XFX RX 480 8GB
HIS RX 480 8GB
Corsair Vengeance Pro 2x8GB 2133MHz
Seasonic P860
Corsair H80i
WD Green 3TB
Kingston HyperX 3K 120GB
Phanteks Enthoo Evlov Black

Hiii bro... Thats enthoo evlov black looks familiar .... Hahaha
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Bitspower Water Tank Z-Multi 40 - Full Clear Ac... EK-VGA Supremacy HWBOT Edition EK DDC X-RES 140 CSQ - Acetal EK-CoolStream RAD XT (360) 
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EK-CoolStream RAD XTC (140) EK-CoolStream PE 360 (Triple) EK-CoolStream RAD XT (420) EK-D5 PWM Motor (12V DC PWM Pump Motor) 
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samsung u28d950d CORSAIR K70 RGB Seasonic 1000W Platinum COLER MASTER STORM STRYKER 
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post #508 of 4344
Quote:
Originally Posted by looncraz View Post

Okay, after much testing with my Sapphire Nitro+ RX 470 OC, I'm convinced the memory clocks or controlled voltage aren't being respected, despite reporting 2100Mhz memory clocks, over the baseline 1750Mhz, I see no performance increase anywhere, nor any memory errors at all.

Further, decreasing the memory voltage down to 900mv has no impact at all in achieving a memory error.

Going to R&R the drivers and check again.

I'm also limited to 1.35Ghz at 1168mv, so I would need an unlocked BIOS to try for more.

My best Valley Extreme HD score was 2106. I'm running a 4.5Ghz i7 2600k with 16GB CL9 DDR3-2133 RAM.

EDIT: UPDATE:

DDU'd the driver, reinstalled the only RX 470 driver (16.8.1) and still the same deal.

I also set the memory controller voltage to 500mv just to see... and nothing. No crash, no change, nada. So it seems memory control is broken. Anyone else out there with an RX 470 that wants to test to see if it genuinely works for them?

EDIT 2: oh, I see there's a new driver already... gonna try that out.

Works for me. 9% memory speed increase = 9% performance increase. Make sure you dont have other tweaking programs stepping on your voltage/clock settings. I had issues when having Asus GPU Tweak II running, all kinds of settings auto reverting to defaults.
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post #509 of 4344
Quote:
Originally Posted by KarathKasun View Post

Works for me. 9% memory speed increase = 9% performance increase. Make sure you dont have other tweaking programs stepping on your voltage/clock settings. I had issues when having Asus GPU Tweak II running, all kinds of settings auto reverting to defaults.

There's no way to disable Wattman? I mean in GPU Tweak, in can edit more voltages, create custom curves and i have a few problems with Wattman, but in the past you can disable the overclock function of the driver, but not its no "disable" option, you need to remove the Crimsom from the windows start?
post #510 of 4344
GPU Tweak is hit or miss for me. Voltages wont stick when using it, fan profiles and clocks seem to. I have to set fan profile with GPU Tweak, then apply my overclocks with wattman.
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