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[Official] AMD R9 290X / 290 Owners Club - Page 1750

post #17491 of 43909
Quote:
Originally Posted by Paul17041993 View Post

of course, both reducing voltage and reducing clocks will reduce power draw significantly, and the heat produced is exactly proportional to the power draw, that's where the power all goes.

so undervolt and underclock to your heart's content, just be weary that the voltage still has to be enough for the clocks, and underclocking too far will give some performance issues, -100mV, 800/1100 seems perfectly stable for me, 1000/1250 with -100mV will likely not be, though some games may perform a lot worse then expected.

miners and folders usually undervolt for efficiency.

Well I did try undervolting and underclocking. I got black screen past -50mV on AB

here is my settings

Core voltage -31
Powerlimit -50%
Core clock 800
Memory Clock 1250

I did ran a 3dmark11 benchmark

http://www.3dmark.com/3dm11/8012349

I was so surprised that my 3dmark test before at stock clocks (975) was abit lower

http://www.3dmark.com/3dm11/8001317

http://www.3dmark.com/compare/3dm11/8001317/3dm11/8012349


shocking redface.gif
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post #17492 of 43909
Quote:
Originally Posted by nightfox View Post

Well I did try undervolting and underclocking. I got black screen past -50mV on AB

here is my settings

Core voltage -31
Powerlimit -50%
Core clock 800
Memory Clock 1250

I did ran a 3dmark11 benchmark

http://www.3dmark.com/3dm11/8012349

I was so surprised that my 3dmark test before at stock clocks (975) was abit lower

http://www.3dmark.com/3dm11/8001317

http://www.3dmark.com/compare/3dm11/8001317/3dm11/8012349


shocking redface.gif

Likely cards were throttling quite a bit at stock clocks.
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post #17493 of 43909
Quote:
Originally Posted by Roboyto View Post

Likely cards were throttling quite a bit at stock clocks.

temps are fine. I use AB custom fan profile and monitoring clocks. Temps never go up more than 75 so I dont think it was throttling. I dont think its CPU bottleneck as well cause I monitored CPU usage,
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post #17494 of 43909
Quote:
Originally Posted by nightfox View Post

temps are fine. I use AB custom fan profile and monitoring clocks. Temps never go up more than 75 so I dont think it was throttling. I dont think its CPU bottleneck as well cause I monitored CPU usage,

thinking.gif

Hmmm, is your PSU new? Maybe struggling to give good power at stock clocks? eXtreme PSU calculator comes to 938w recommended

Best brainstorm I could come up with, and it's not that great lol

Have an extra PSU, maybe hook it up to the 3rd card alone and see if your performance increases?
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post #17495 of 43909
Quote:
Originally Posted by nightfox View Post

Well I did try undervolting and underclocking. I got black screen past -50mV on AB

here is my settings

Core voltage -31
Powerlimit -50%
Core clock 800
Memory Clock 1250

I did ran a 3dmark11 benchmark

http://www.3dmark.com/3dm11/8012349

I was so surprised that my 3dmark test before at stock clocks (975) was abit lower

http://www.3dmark.com/3dm11/8001317

http://www.3dmark.com/compare/3dm11/8001317/3dm11/8012349


shocking redface.gif

I think dropping the memory slightly may allow a little more drop in core voltage, but being trifire that's likely already the most optimal settings, definitely didn't expect an _increase_ in 3dmark scores like that though, even your physics is almost 400 points higher...

I wonder what your total system power consumption is now compared to before though, this might become a new trend for cooling-limited setups or the power concerned...
lachen.gif
   
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post #17496 of 43909
Quote:
Originally Posted by Tobiman View Post

Ran all benchmarks and games at 1175/1500mhz. Will be pushing for higher stable clocks.

On my powercolor pcs+ 290 I'm finding that past 1170/1500, the vddc adjust needed to step up gets rather steep. +31 for 1050/1450; +75 for 1170/1500; +88 for 1180/1500; +125 for 1200/1500; +200 for 1230/1650 which seems the max stable clocks for me.

Temp wise this is ok because I'm discovering that this card isn't so great at delivering low temps at load; but it excels at keeping temps tolerable even when you push it. The bigger issue is wattage.

Btw I have yet to game on this card lol. Just testing and testing. I think I've found the two profiles I like tho. 1050/1450 at +31 (card comes +50 stock so that's actually an undervolt) with fans set to 50% max as my quiet profile. And then 1180/1500 at +88 with fans set to 80% max as my oc profile.
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post #17497 of 43909
Quote:
Originally Posted by Roboyto View Post

thinking.gif

Hmmm, is your PSU new? Maybe struggling to give good power at stock clocks? eXtreme PSU calculator comes to 938w recommended

Best brainstorm I could come up with, and it's not that great lol

Have an extra PSU, maybe hook it up to the 3rd card alone and see if your performance increases?

I dont think its a lack of power cause I tried overclocking both GPU and CPU. Here is my 3dmark11

http://www.3dmark.com/3dm11/7967107

Quote:
Originally Posted by Paul17041993 View Post

I think dropping the memory slightly may allow a little more drop in core voltage, but being trifire that's likely already the most optimal settings, definitely didn't expect an _increase_ in 3dmark scores like that though, even your physics is almost 400 points higher...

I wonder what your total system power consumption is now compared to before though, this might become a new trend for cooling-limited setups or the power concerned...
lachen.gif

I was also so surprised about it. for physics, could be because of I oced abit my memory. from stock 1600 to 1866. I could only guess.

I was really shocked at the graphics score

30772.0 stock

31708.0 underclocked.

I could only guess that it is because of the PLX latency?

i try to lower memory to 1100 and ran a benchmark
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post #17498 of 43909
Quote:
Originally Posted by Prozillah View Post

Windforce definitely. Just try to create a really powerful vortex. Thw windforce cooler is excellent at pulling the heat away from the chips but it dumps it inside the case so a power suction is required to dump that hot air out. I run a push pull 280mm top mount rad on full power as well as a side panel 200mm fan all sucking hot air out. The room heats up something chronic!
I have a question related to your answer... smile.gif
My case is a cheap elite 430 but i am pleased of its cooling so far. I have one 120mm. fan at the front, wich blows in; two 120mm. fans at the top, wich blow out; one 120mm. fan at the back, wich blows out; one 120mm. fan at the bottom, wich blows in; and one 120mm. fan at the side panel, wich blows in. My card is gb r9 290oc wf3 and it runs at stock with max temp for the core 75 degrees and max 78 for the vrm1. Do you think that the temps will drop if i turn the side panel fan to suck the air out? My fan configuration is made like this due to a grafic for the cooling solution in the page of cm elite 430. I will appreciate your answers. Thank you in advance.


Edit: I tested both situations and there is no change in the temps of the GPU. So do you think i must keep the side panel fan to blow in, or better to turn it to blow out.
Edited by Belkov - 2/21/14 at 11:10pm
post #17499 of 43909
Quote:
Originally Posted by nightfox View Post

I dont think its a lack of power cause I tried overclocking both GPU and CPU. Here is my 3dmark11

http://www.3dmark.com/3dm11/7967107
I was also so surprised about it. for physics, could be because of I oced abit my memory. from stock 1600 to 1866. I could only guess.

I was really shocked at the graphics score

30772.0 stock

31708.0 underclocked.

I could only guess that it is because of the PLX latency?

i try to lower memory to 1100 and ran a benchmark

I'd wager this would make a difference. Try underclocked settings with 1600 memory
Shrunken Beast
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Shrunken Beast
(30 items)
 
   
CPUCPUMotherboardGraphics
Intel Core i7 4770k Delidded ASUS Z87 Gryphon Power Color RX Vega 64 
GraphicsRAMHard DriveHard Drive
EK FC Vega - Nickel/Plexi Corsair Dominator Platinum 16GB 2400 MHz Crucial M500 240Gb Intel 530 240GB 
Hard DriveCoolingCoolingCooling
OCZ Vertex 3 128GB XSPC Raystorm XSPC EX240 XSPC EX240 
CoolingCoolingCoolingCooling
Koolance Compression Fittings Feser Silver Tubing Corsair SP120 High Performance x4 XSPC Dual 5.25" Reservoir 
CoolingCoolingOSMonitor
Swiftech MCP-655 Yate Loon 20mm Medium Speed x2 Windows 10 Pro LG 23EA63V-P 23" Slim LED IPS 
MonitorMonitorKeyboardPower
LG 23EA63V-P 23" Slim LED IPS LG 23EA63V-P 23" Slim LED IPS Logitech G510 Corsair RX1000X 
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Corsair Obsidian 350D Corsair Sabre RGB Corsair Vengeance MM600 Logitech Z623 
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Corsair Gaming Void RGB Headset Z87 Gryphon Armor Kit 
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Intel Core i5 4250U Intel NUC BOXD54250WYKH1 Intel HD5000 Crucial Ballistix Sport 8GB DDR3L 
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Crucial M500 mSATA Windows 7 Ultimate LG 50" LED 120Hz TV Logitech K400 
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Toshiba Q Series 128GB 6TB Toshiba N300 Samsung 4TB External Sandisk X110 256GB M.2  
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Sharp Aquos 60" 120Hz Logitech K800 EVGA 850G2 SuperNova Silverstone GD09B 
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post #17500 of 43909
Ok Ok now I more than stumbled.

settings as follows.

-37mV core
-50% power limit
800 / 1100

and look at my 3dmark11 score

http://www.3dmark.com/3dm11/8012631

IT EVEN WENT UP ABIT. lol

PHYSIX went up!!

comparing with the previous one

http://www.3dmark.com/compare/3dm11/8012618/3dm11/8012349

- only changed was core voltage from -31 to -37mv and memory gpu from 1250 to 1100

Graphics went down abit

now I am more than puzzled.....
my budget gaming
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HP Elitedisplay E231 abko ncore s2 mini tower 
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i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
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Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
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my budget gaming
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i5 4570 Asus Z87-m Plus Zotac GTX 750 ti OC 8gb (4gb x 2) Samsung DDR3 1333 LV 
Hard DriveHard DriveCoolingOS
Western Digital 1tb Seagate 2tb stock Windows 8.1 Pro 
MonitorCase
HP Elitedisplay E231 abko ncore s2 mini tower 
CPUMotherboardGraphicsGraphics
i7 4770k Gigabyte G1 Sniper 5 XFX r9 290 XFX R9 290X BF4 Edition 
GraphicsGraphicsRAMHard Drive
Power color R9 290 Sapphire R9 290X BF4 Edition G.Skill Trident X 2666 mhz CL12 Samsung 840 EVO 250gb 
Optical DriveCoolingOSMonitor
Samsung DVD writer Custom Water cooling WIndows 8.1 Professional Crossover 3020MDP 
MonitorMonitorKeyboardPower
Crossover 30X-P  Crossover 30X-p Steel Series 6Gv2 Mechanical Keyboard with Cher... Corsair ax1500i 
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