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RX 480 overclock discussion - Page 21

post #201 of 433
Quote:
Originally Posted by abso View Post

How are your VRM temperatures? Was thinking about switching from Red Devil to MSI Gaming X but lots of people saying they got >90°C on VRM with the MSI card. I got 70-80°C on the Red Devil.

I did a stress test in FurMark with my rx480 MSI Gaming X because I was curious how hot the VRM gets in a worst case scenario. First I did a 10 min run with stock settings with increased power limit so It holds it boos speed.
http://i66.tinypic.com/rsrdhj.jpg

The next screenshot is my daily settings with my under voltage.
http://i65.tinypic.com/2e4akvq.jpg

Last one is my maximum stable OC.
http://i66.tinypic.com/346ks9x.jpg
post #202 of 433
Quote:
Originally Posted by Echoa View Post

Asus usually skimps on the AMD cards heatsinks, its a bad habit theyve had for a while so dont expect amazing heatsinks from them on their AMD GPU. The card itself is great though and worth exchanging in hopes to get a better clocker. 1.225v isnt that bad and is no sweat for the Strix VRM wise, but if you can get one that responds to voltage better thatd be great (and doesnt whine)

I was under the impression that all Strix cards are the same this year. They sure look like it. When you look at the heatsink from the 1060, 1070, 1080, and RX 480 they appear identical. I really hope Asus wouldn't go through the trouble to put thinner fins on the RX 480 than the others, but yet use the same heatpipes and everything else. From a manufacturing standpoint it would almost be easier and cheaper to just leave them all the same. Mass produce one item rather than have a separate assembly line for essentially the same item. Just loaded with thinner fins.
post #203 of 433
Quote:
Originally Posted by Techbyte View Post

I was under the impression that all Strix cards are the same this year. They sure look like it. When you look at the heatsink from the 1060, 1070, 1080, and RX 480 they appear identical. I really hope Asus wouldn't go through the trouble to put thinner fins on the RX 480 than the others, but yet use the same heatpipes and everything else. From a manufacturing standpoint it would almost be easier and cheaper to just leave them all the same. Mass produce one item rather than have a separate assembly line for essentially the same item. Just loaded with thinner fins.

No that's exactly what they do, and that's the problem. The Asus heatsink usually doesn't contact the core well on there AMD GPU because it's designed for nvidia cards then slapped on amd.
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post #204 of 433
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Edited by Hellie112 - 10/7/16 at 12:37pm
post #205 of 433
Quote:
Originally Posted by Echoa View Post

No that's exactly what they do, and that's the problem. The Asus heatsink usually doesn't contact the core well on there AMD GPU because it's designed for nvidia cards then slapped on amd.

I understand why Asus does this. It is probably easier and cheaper to just produce one heatsink for all 4 cards. I think this also ties into why the power delivery components are soo overkill for the RX 480 Strix. The VRM looks identical between all cards as well with higher wattage cards having extra phases.

I think they can get away with doing this because of how they design and produce their custom PCBs in house. The layout between all 4 cards is the same. The GPU Core and VRM all share the same placement on the PCB. So it can be looked at two different ways. Asus is slapping the same heatsink on all 4 cards. Or, Asus is designing the PCB of all 4 cards to match up with the heatsink.

Either way, it appears to me that they made sacrifices in the wrong place. I would happily trade the RGB Back Plate lighting and fan headers for an improved heatsink. They definitely have the custom PCB / power delivery components right though.
post #206 of 433
I think I have my XFX RX 480 GTR Black Edition all dialed in. I am able to run the Core at 1400mhz / 1175mv and the Memory at 8400mhz / 1025mv. At 1405mhz I am still good, but 1410mhz starts to show artifacts so I backed it down to a nice and even 1400. I can run the memory at 9000mhz and it appears to be fine. However, 8500mhz and above shows memory errors in Hwinfo64, no matter what I set the voltage to.

This is my highest score yet in 3D Mark Time Spy.




Build Specs:
MOBO: Msi H110i Pro (iTX)
CPU: Intel i5 6500
RAM: Corsair Vengeance DDR4 2133 (8GB x 2)
SSD: HyperX Predator M.2 PCIe 2.0 x4 (240GB) Samsung 850 Evo (1TB)
PSU: Corsair SF600

My motherboard, cpu, and memory are place holders. With Kaby Lake and Zen right around the corner I wanted to hold off. Also, my Mom has been wanting me to build her a small PC to replace her aging laptop. So she is going to end up with these in her build.
post #207 of 433
i bought a sapphire rx480 4gb nitro,,my oc result are
1400mhz +30mv core (1,19v) 2075 +50mv memory 4400gpu score time spy 232w 75 C
1350mhz -42mv core (1,10V) 2075 +50mv memory 4300gpu score time spy 152w 67 C

undervolt its better
post #208 of 433
Quote:
Originally Posted by sergiodb View Post

i bought a sapphire rx480 4gb nitro,,my oc result are
1400mhz +30mv core (1,19v) 2075 +50mv memory 4400gpu score time spy 232w 75 C
1350mhz -42mv core (1,10V) 2075 +50mv memory 4300gpu score time spy 152w 67 C

undervolt its better

How did you push 1190mv on the core? I can only go up to 1175 in Wattman. I think Wattman kind of sucks. When I had the Asus Strix RX 480 I was using Asus GPU Tweak II but was having issues with it. I think wattman was interfering with it. I clean installed the drivers / software and never initiated wattman too. It sucks because I think I need the Radeon software because I have a FreeSync display.

Anyone know if it is possible to uninstall or disable just Wattman? Pretty sure I need the Radeon Software to enable FreeSync.
post #209 of 433
Msi new beta versión... 1.25v max
post #210 of 433
Quote:
Originally Posted by tps3443 View Post

Memory that is running to high will show artifacts in Firestrike and games. If the core is to high it will lock up, and crash the driver and recover it.

Try for 2250 the max. And run through GTAV with a lot of AA. GtaV always artifacts, and crashes if the Mem is to high.

If it crashes at 2250, Try 2225. If 2225 crashes, go down 10-15Mhz until it is stable.

Depending on how high your core Mhz is, will greatly affect how high the memory will go!

For example you may find 1340 Mhz core and 2250 memory is stable.

But, 1380 Mhz core, and 2250mhz is not.

But, 1380 core and, 2200 is stable.


The RX480 is a little tricky with overclocking. But, you will know yours like the back of your hand after a while.

Memory overclocking offers a huge boost!

Find the best balance between them that is stable, with the highest Firestrike graphics score. And that will give you the best 1080P gaming performance.

I can get about 1410/2250 with mine. But, it is a one of a kind 91.5% ASIC QUALITY. Higher than 99% of all other Rx 480's, based on GPU-Z.

The highest other RX480 ASIC I've seen is 90 something %.

So, do not expect the same results. Check your own ASIC too, it's always nice to know.

This is the ASIC rating on my reference. If only I could carry it over to my GTR Black Edition, lol. Thought about slapping an EK block on it.

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