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Thread: AMD 6990 OCing Comparisons
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4th August 2011, 05:23 PM #1Notebook Deity
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AMD 6990 OCing Comparisons
Hey all just want to get a feel for how good/bad my cards are ... and I think they are pretty good. I am running stable at good temps (max I have seen on internal GPU sensors is 84C)
Core Clock 865
Mem Clock 1175
Stock Dell Drivers
Stock Paste, ambient room temp about 25 C, Bios A02, using Sapphire Trixx.Alienware m18x, i7 2920XM OC @ 4.5GHz , 8GB HypEr X 1866MHz RAM, Dual 2GB Radeon 6990 X-Fire @ 880/1195 , 3DMark Vantage: 30325 Crucial M4 128 GB + 320GB 7200RPM HD
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4th August 2011, 06:40 PM #2Notebook Geek
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Re: AMD 6990 OCing Comparisons
Ya... I'm thinking they are real good.
Originally Posted by Shaden
On Stock Driver
The highest Ive ran mine benching is
Core Clock 855
Mem Clock 1155
Stock Voltage.
I'm real interested on what you find as the limit then test with new drivers.
One rep for taking the time to do this testing.M18 / Intel® Core™ i7 2920XM Factory OC 4.0GHz / Genuine Windows® 7 Professional, 64bit / Kingston HyperX Plug n Play 8GB (4GBx2) 204-Pin DDR3 1866MHz Ram / Dual 2GB GDDR5 AMD Radeon™ HD 6990M - AMD CrossFireX™ / 256GB Solid State Drive SATA 3 / Intel® Centrino Ultimate-N 6300 a/b/g/n 3x3 MIMO Technology and Bluetooth / Slot-Loading Dual Layer Blu-ray / Internal High-Definition 5.1 Performance Audio / Alienware Orion M18x Backpack - TSA Friendly / EPP Special Pricing Applied.
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5th August 2011, 01:37 AM #3Notebook Consultant
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Re: AMD 6990 OCing Comparisons
That is very good.
800/1000 is max for me. And even then it's not 100% stable. I still crash here and there with those OC values. So I usually stick around 750-780 core clock and 1000 mem clock.Alienware M18x
Intel® Core™ i7 2630QM 2.0GHz (2.8GHz w/Turbo Boost, 6MB Cache)
8GB Dual Channel DDR3 at 1333MHz (2DIMMS)
Dual 2GB GDDR5 AMD Radeon™ HD 6990M - AMD CrossFireX™
500GB 7200RPM Solid State Hybrid
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5th August 2011, 08:25 AM #4Notebook Deity
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Re: AMD 6990 OCing Comparisons
what Bios vers do you have ? Originally Posted by cachexic
Alienware m18x, i7 2920XM OC @ 4.5GHz , 8GB HypEr X 1866MHz RAM, Dual 2GB Radeon 6990 X-Fire @ 880/1195 , 3DMark Vantage: 30325 Crucial M4 128 GB + 320GB 7200RPM HD
Samsung Galaxy S2 - Dual Core Overclocked 1.5 GHz Processor, 32GB Storage, Super AMOLED+ screen, one sexy phone.
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5th August 2011, 11:15 AM #5Notebook Evangelist
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Re: AMD 6990 OCing Comparisons
I can push 840/1060 and thought that was on the high end, so yes, those are VERY good clocks. My temps never go above 80c at about the same ambiant temp, however.
Stock voltage, I assume?A machine for every season
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5th August 2011, 11:26 AM #6Notebook Consultant
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Re: AMD 6990 OCing Comparisons
How do I check? Originally Posted by Shaden
Alienware M18x
Intel® Core™ i7 2630QM 2.0GHz (2.8GHz w/Turbo Boost, 6MB Cache)
8GB Dual Channel DDR3 at 1333MHz (2DIMMS)
Dual 2GB GDDR5 AMD Radeon™ HD 6990M - AMD CrossFireX™
500GB 7200RPM Solid State Hybrid
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5th August 2011, 11:35 AM #7Notebook Deity
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Re: AMD 6990 OCing Comparisons
yes Stock Voltage Harmattan
Cahcexic you can either enter the bios on boot up and it will tell you or I think System information will list it as well...Alienware m18x, i7 2920XM OC @ 4.5GHz , 8GB HypEr X 1866MHz RAM, Dual 2GB Radeon 6990 X-Fire @ 880/1195 , 3DMark Vantage: 30325 Crucial M4 128 GB + 320GB 7200RPM HD
Samsung Galaxy S2 - Dual Core Overclocked 1.5 GHz Processor, 32GB Storage, Super AMOLED+ screen, one sexy phone.
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5th August 2011, 02:32 PM #8Notebook Evangelist
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Re: AMD 6990 OCing Comparisons
I can push 850/1100........ anything higher and i get BSOD issues
i am running stock dell drivers
M18XR2 / Nebula Red/ i7 3740QM/ 16GB DDR3 1866
1080p 60Hz 
256 Crucial M4 SSD / 750 GB SATA Hard Drive (7200RPM) 
8X DVD +/- RW Drive 
2 GB DUAL NVIDIA GTX 680M on SLI 
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Wireless HD CARD with Zyxel HD receiver
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5th August 2011, 05:11 PM #9Notebook Consultant
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Re: AMD 6990 OCing Comparisons
Alienware A02, 6/15/2011 Originally Posted by Shaden
Alienware M18x
Intel® Core™ i7 2630QM 2.0GHz (2.8GHz w/Turbo Boost, 6MB Cache)
8GB Dual Channel DDR3 at 1333MHz (2DIMMS)
Dual 2GB GDDR5 AMD Radeon™ HD 6990M - AMD CrossFireX™
500GB 7200RPM Solid State Hybrid
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5th August 2011, 10:32 PM #10Notebook Deity
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Re: AMD 6990 OCing Comparisons
Hrm ... well, every card is different of course. But we are running same bios and same drivers ... Originally Posted by cachexic
Alienware m18x, i7 2920XM OC @ 4.5GHz , 8GB HypEr X 1866MHz RAM, Dual 2GB Radeon 6990 X-Fire @ 880/1195 , 3DMark Vantage: 30325 Crucial M4 128 GB + 320GB 7200RPM HD
Samsung Galaxy S2 - Dual Core Overclocked 1.5 GHz Processor, 32GB Storage, Super AMOLED+ screen, one sexy phone.
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