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Top 20 AMD/ATI cards for Boinc in order of Single / Double Precision computing power - Page 2

post #11 of 15
5/12/12 at 8:01pm
Great stuff DarkRyder!
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The Gaming/BOINC Rig
(15 items)
 
Another Quad Core
(13 items)
  		 
CPUMotherboardGraphicsRAM
Intel i5-760 @ 3.82 GHz ASUS P7P55D-E Gigabyte Radeon HD 7870 OC 8GB G.SKILL Ripjaws DDR3-1600 
Hard DriveOptical DriveCoolingOS
60GB Agility 3 + 1TB Caviar Black LG Blu-Ray Burner Cooler Master Hyper 212 Plus Win 7 Pro x64 w/SP1 + Ubuntu 12.04 
MonitorKeyboardPowerCase
LG IPS226 Logitech G110 Enermax Revolution 85+ 1250W Silverstone KL-03 (Silver) 
MouseOther
Logitech G400 Corsair HS1 Headset 
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CPUMotherboardGraphicsRAM
C2Q Q8200 2.33GHZ 1.05vCore ASRock P45XE XFX Radeon 4670 1GB 4GB OCZ Platinum DDR2-1000 
Hard DriveOptical DriveOSMonitor
1TB Seagate Barracuda 16x LG DVD-RW Windows 7 x64, Ubuntu 10.10 x64 BenQ 18.5 wide LED 
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post #12 of 15
5/22/12 at 3:33pm
Quote:
Originally Posted by Tex1954 View Post

Well, so far, for Milkyway and Donate the HD6990 can run slow memory clocks with no penalty and reduce temps since these are Hot running projects. However, I'm running mini_collatz now and discovered it runs tons cooler at the same settings, but also it really slows down with a slow memory clock... Soo, it's running default 1250MHz mem clocks now, BUT, the temps are way LOWER than other projects... VReg around 63c now.

glancing through this topic i am intrigued by the lower memory clocks to lower heat. I tried lowering the memory clocks on my xfx 6870 using both msi afterburner and saphire trixx. GPU-Z reports no change in the memory speed, its constantly stuck at 1050mhz. Any ideas why?
Edited by granno21 - 5/22/12 at 3:35pm
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i5 2500k @ 4.6ghz ASRock Z68 Pro3-M XFX Radeon 6870 8gb Corsair Vengeance 1600mhz 
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Western Digital 500gb Seagate Barracuda LP 2TB Antec H20 620 Windows 7 64bit 
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Sharp LC-40e9 40inch LCD TV OCZ ModXStream 500w Corsair 400r 
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Dual Xeon 5410 @ 2.33 intel dx5400xs "Skulltrail" AMD Saphire 5850 AMD Saphire 5850 
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western digital caviar black 500 Stock windows xp corsair hx850 
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cooler master stacker 830 
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BOINC Cruncher
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BOINC Monster
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CPUMotherboardGraphicsRAM
i5 2500k @ 4.6ghz ASRock Z68 Pro3-M XFX Radeon 6870 8gb Corsair Vengeance 1600mhz 
Hard DriveHard DriveCoolingOS
Western Digital 500gb Seagate Barracuda LP 2TB Antec H20 620 Windows 7 64bit 
MonitorPowerCase
Sharp LC-40e9 40inch LCD TV OCZ ModXStream 500w Corsair 400r 
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CPUMotherboardGraphicsGraphics
Dual Xeon 5410 @ 2.33 intel dx5400xs "Skulltrail" AMD Saphire 5850 AMD Saphire 5850 
Hard DriveCoolingOSPower
western digital caviar black 500 Stock windows xp corsair hx850 
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cooler master stacker 830 
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post #13 of 15
5/22/12 at 3:52pm
Thread Starter 
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how far are you trying to downclock ?
Boincinstein's Monster
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Intel 2600k@4.6ghz Asus P67 Sabertooth MSI R7970 Lightning 16GB G.Skill DDR3-1866 
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Corsair Force GT 120gb (OS), 2x 1tb WD Blacks R... Sony DVD-RW CoolerMaster TPC 812 26" Emprex 
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Logitech G15 CoolerMaster SPH-1300 Coolermaster HAF922 Logitech G7 
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Boincinstein's Monster
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Corsair Force GT 120gb (OS), 2x 1tb WD Blacks R... Sony DVD-RW CoolerMaster TPC 812 26" Emprex 
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Logitech G15 CoolerMaster SPH-1300 Coolermaster HAF922 Logitech G7 
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post #14 of 15
5/22/12 at 3:55pm
Quote:
Originally Posted by DarkRyder View Post

how far are you trying to downclock ?

I tried going down to 850hmz, but when that failed I tried a smaller value. Even 1000mhz failed. Its as if the memory frequency is locked
BOINC Cruncher
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i5 2500k @ 4.6ghz ASRock Z68 Pro3-M XFX Radeon 6870 8gb Corsair Vengeance 1600mhz 
Hard DriveHard DriveCoolingOS
Western Digital 500gb Seagate Barracuda LP 2TB Antec H20 620 Windows 7 64bit 
MonitorPowerCase
Sharp LC-40e9 40inch LCD TV OCZ ModXStream 500w Corsair 400r 
View all
CPUMotherboardGraphicsGraphics
Dual Xeon 5410 @ 2.33 intel dx5400xs "Skulltrail" AMD Saphire 5850 AMD Saphire 5850 
Hard DriveCoolingOSPower
western digital caviar black 500 Stock windows xp corsair hx850 
Case
cooler master stacker 830 
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BOINC Cruncher
(15 items)
 
BOINC Monster
(9 items)
  		 
CPUMotherboardGraphicsRAM
i5 2500k @ 4.6ghz ASRock Z68 Pro3-M XFX Radeon 6870 8gb Corsair Vengeance 1600mhz 
Hard DriveHard DriveCoolingOS
Western Digital 500gb Seagate Barracuda LP 2TB Antec H20 620 Windows 7 64bit 
MonitorPowerCase
Sharp LC-40e9 40inch LCD TV OCZ ModXStream 500w Corsair 400r 
View all
CPUMotherboardGraphicsGraphics
Dual Xeon 5410 @ 2.33 intel dx5400xs "Skulltrail" AMD Saphire 5850 AMD Saphire 5850 
Hard DriveCoolingOSPower
western digital caviar black 500 Stock windows xp corsair hx850 
Case
cooler master stacker 830 
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post #15 of 15
5/22/12 at 4:04pm
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it could be. i never had that problem with XFX in the past tho...
Boincinstein's Monster
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Logitech G15 CoolerMaster SPH-1300 Coolermaster HAF922 Logitech G7 
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CoolerMaster HSM Battle Pad SSK Creative Sound Blaster X-Fi Titanium Fatal1ty P... 
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Boincinstein's Monster
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CPUMotherboardGraphicsRAM
Intel 2600k@4.6ghz Asus P67 Sabertooth MSI R7970 Lightning 16GB G.Skill DDR3-1866 
Hard DriveOptical DriveCoolingMonitor
Corsair Force GT 120gb (OS), 2x 1tb WD Blacks R... Sony DVD-RW CoolerMaster TPC 812 26" Emprex 
KeyboardPowerCaseMouse
Logitech G15 CoolerMaster SPH-1300 Coolermaster HAF922 Logitech G7 
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CoolerMaster HSM Battle Pad SSK Creative Sound Blaster X-Fi Titanium Fatal1ty P... 
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