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post #1221 of 4141
Quote:
Originally Posted by Shatun-Bear View Post

Hmmm not sure whether to stick with mine or not then. 1342Mhz stable is decent but I'd hoped that 1380Mhz would be ok for a 24/7 OC. Maybe my non-OC Nitro has less potential OC headroom than your OC version.
Well if you have the 07 that's the Nitro+ 1306MHz. Always check numbers not pictures.

I have seen both 480s and 1060s to OC with varying success. Sure if you get a high OC more expensive version than you may get a better binned chip but it is not a must. There are Nirtro+ OC that do only 1360MHz and cut down 470s basic versions that do 1420MHz. It's all just silicon lottery luck. There would need to be an AIB version that clocks by default 1400MHz+ to get a properly binned chip. Most will run 1342MHz no problem. Just as well most 1060s could be clocked out of factory to the max OC they offer on the premium cards as most run faster than that in OC.
Edited by JackCY - 9/10/16 at 12:11pm
post #1222 of 4141
Quote:
Originally Posted by sinholueiro View Post

LOL, At 1342 you will be mostly bandwith limited. Lower it to 1300Mhz and the performace hit will be minimal.

Very true - if there even will be a negative performance impact from reducing the frequency at that point it will be very tiny.

post #1223 of 4141
Anybody here has a ROTR? Wanna compare bench results with latest drivers? DX11 & DX12, everything maxed + SMAA.
post #1224 of 4141
hyy,
i want to add VDDC and VDDCI offset "inside" the rom with a HexEditor (Rx 470 / Rx 480)......I have analyse the ROms with Hex Editor und AtomBioseditor and so an

like This:
http://www.overclock.net/image/id/12261435/width/900/height/900/flags/LL

have someone the Solution? / tried it?

lg blue
post #1225 of 4141
Quote:
Originally Posted by neptunex View Post

Anybody here has a ROTR? Wanna compare bench results with latest drivers? DX11 & DX12, everything maxed + SMAA.

 

I can do it after I get home later tonight.

 

Any idea if they've fixed their crappy DX12 implementation yet?

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post #1226 of 4141
Hi folks, I've got an MSI RX 480 Gaming X. While running the valley benchmark, my GPU at times dips from 100% usage. Why is this? You can see below, a short run of Valley to show an example.

Apologies for the awkward image size tongue.gif

post #1227 of 4141
Hello,

do you know where i could find a review of the XSPC RX480 blade waterblock ?

I plan to build a watercooled multi GPU mining/gaming rig with 4 GPU's, and onother rig with 6 GPU's

XSPC waterblock costs 100$CAD
Ek's costs 150$

I would like to find a review especially about the VRM temps and pressure drop.
Also it seems that those blocks can only be used in serial since there is only two ports. 6 of them in serial would be too much pressure drop maybe ?
    
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post #1228 of 4141
Quote:
Originally Posted by Synister View Post

Hi folks, I've got an MSI RX 480 Gaming X. While running the valley benchmark, my GPU at times dips from 100% usage. Why is this? You can see below, a short run of Valley to show an example.

I ran some tests - it's looking to me like you're experiencing a CPU bottleneck. I get some dips even at 4.5GHz with an i7-2600k in Valley (Heaven is even worse), so don't expect to be nailed at 100% in any scenario...

What matters is how well the games play, and you have enough performance that most games should play very well.
post #1229 of 4141
Quote:
Originally Posted by neojack View Post

Hello,

do you know where i could find a review of the XSPC RX480 blade waterblock ?

I plan to build a watercooled multi GPU mining/gaming rig with 4 GPU's, and onother rig with 6 GPU's

XSPC waterblock costs 100$CAD
Ek's costs 150$

I would like to find a review especially about the VRM temps and pressure drop.
Also it seems that those blocks can only be used in serial since there is only two ports. 6 of them in serial would be too much pressure drop maybe ?


I can't elaborate on pressure drop, but the VRM cooling is definitely not as good as the EK. 

 

http://www.overclock.net/t/1605802/official-radeon-rx480-470-460-owners-club/320_20#post_25416201

 

With all stock settings on my reference 8GB I am seeing 67C after 20 minutes of heaven.  Running 1400/2250 with +50% power and max voltage (stock BIOS) peaked at 78C.  This is with a single XSPC EX240 radiator with (2) absolutely silent fans pulling through the radiator that doesn't have a good source of fresh airflow.  Temperatures could likely be better with a more optimal cooling setup...but this is in my HTPC so size/noise were priority as temps are well within operating range.

 

The question is though, what kind of settings were you planning on running all the cards at?


If you're looking to flash BIOSes and max all the cards out, then the EK blocks are going to be what you want.

If you plan on running stock voltage/power restrictions, or even with an undervolt, then the temperatures for VRMs should be acceptable with the XSPC block.  If you were to add backplates and use some thermal pads to make them passive heatsinks, the temps would definitely get better.  I did this with a R9 290 (which I recently sold), and utilizing the backplate as a heatsink for VRM1 brought it's temperature down to just under the core and on par with VRM2...which is generally unheard of on Hawaii cards. 

I upgraded thermal pads for the VRMs, to Fujipoly Ultra Extreme, this would likely be a mandatory upgrade to ensure they run as cool as possible since you'll be loading the cards for extremely long periods of time.

 

 

Quote:
Originally Posted by Synister View Post

Hi folks, I've got an MSI RX 480 Gaming X. While running the valley benchmark, my GPU at times dips from 100% usage. Why is this? You can see below, a short run of Valley to show an example.
 

 

What settings are you running the card at?  Is there any overclock applied?  Did you increase power limit or voltage?

 

Please give as much information as possible so we can help you determine what is going on.

 

Here's what my card looked like after running Valley looped for 15 minutes with my waterblock installed.  I believe there to be dips when scenes change, but I could be wrong.

 

 

I also found another 15 min Valley loop screenshot and this one has much fluctuation in GPU usage.  I can't remember what the settings were exactly, but GPU usage in this scenario is much rockier than the one above.  The biggest difference is that this was when i was using the Kraken bracket and an AIO to cool the core, with a homebrew VRM heatsink.  

 

 

 

 In both scenarios I'm fairly certain the card was set to 1400/2250 with max voltage for core and 50% power target, but I am not 100% certain of this.  I may have been experimenting with RAM voltage for this run.  I would have to run the bench again to be certain.

Quote:
Originally Posted by looncraz View Post

I ran some tests - it's looking to me like you're experiencing a CPU bottleneck. I get some dips even at 4.5GHz with an i7-2600k in Valley (Heaven is even worse), so don't expect to be nailed at 100% in any scenario...

What matters is how well the games play, and you have enough performance that most games should play very well.

 

I don't think that the CPU is the problem.  How have people run bigger GPUs than the 480 with FX CPUs then?  I feel there is something else at play here, unless Valley is extremely CPU dependent for good performance.

 

There can be scenarios where an Intel CPU would perform better from the gaming stand point, but that would most likely be a game that is more reliant on single core performance where Intel obviously mops the floor with an FX CPU.

 

I was looking, and am currently unable to locate, a great CPU comparison article for gaming purposes.  In most 'modern' (last few years) gaming titles, even an i3 or FX-4xxx CPU can give extremely good performance due to how games are coded to leverage multiple CPU cores/threads.  The bottom line from said comparison was that a majority of the performance in gaming can be had with 4 cores/threads; and after that it is diminishing returns.  I'm not saying there isn't extra performance to be had from bigger/better CPUs, but you would be surprised how well a HyperThreaded i3 or 4 'core' FX chip will play games. 


Edited by Roboyto - 9/16/16 at 8:48am
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post #1230 of 4141
I agree...not a bottleneck. It's the benchmark......

Valley can be ran with two cores and score great. It's not that CPU intensive.

Here is a screen shot that I just ran with my GTX970's. You can see the GPU load go up and down. It's the scene changes, and how much rendering is done. This was a loop for about 15 mins.



I don't think you need to be concerned really. Run a few other benchmarks, or jump up the resolution to 1440p and see how your GPU reacts. It should be a little bigger load throughout.

EDIT: Here is my RX470 with Valley and Heaven.....seems to hold the load a bit higher and tighter than my 970's. I was in SLI though.


Edited by Hequaqua - 9/12/16 at 7:23pm
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