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The 6950 to 6970 unlock thread - Page 24

post #231 of 437
You should test with a killwatt to see what the actual draw is and if the power draw is getting throttled.

There's another thing at play which is how AMD handles bad textures from overspeed/overclocking. When pushed beyond limits, say a texture is rendered poorly/artifacts the card will re-render it until it is perfect. This will of course hamper performance.

After a certain point of overclocking, the performance will go down even though the clocks are getting higher and higher. You'll know when you've clocked to far because you won't get any gains from overclocking because the card is spending "x" time re-rendering bad textures.
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post #232 of 437
Ok! I heard of that re-rendering part, but i thought that only applied to ram-clocks, so thanks for the info! once again you come through with some good food for thought..So if that's how it works would you think (I know this will be based on assumptions) a 1000mhz core at 1.3v run better and with fewer corrupted frames than 1000mhz at 1.25 core, even if both seems stable?? Just wondering if there's a reason to run higher core voltage, even if the cards seem stable in benchmarks etc. This is actually quite interesting, but what i'd love is a way to unlock a higher power control setting to see how much is possible to run without throttling.
What is a "Killwatt"? I figure it's some sort of measuring device for powerdraw, but where do i get it and how does it work?
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post #233 of 437
Quote:
Originally Posted by EndWar View Post
Ok! I heard of that re-rendering part, but i thought that only applied to ram-clocks, so thanks for the info! once again you come through with some good food for thought..So if that's how it works would you think (I know this will be based on assumptions) a 1000mhz core at 1.3v run better and with fewer corrupted frames than 1000mhz at 1.25 core, even if both seems stable?? Just wondering if there's a reason to run higher core voltage, even if the cards seem stable in benchmarks etc. This is actually quite interesting, but what i'd love is a way to unlock a higher power control setting to see how much is possible to run without throttling.
What is a "Killwatt"? I figure it's some sort of measuring device for powerdraw, but where do i get it and how does it work?
Yea, killawatts measure power draw from the wall socket. They sell them on Amazon, 20 bucks. Plug it into wall socket, plug your pc into it. It will show power draw on the unit. Note power draw at idle and full gpu load w/o cpu load, this is your gpu power draw.

As far as voltage imo, the less voltage needed to achieve your goal the better. It creates less heat, less wear, and it's more sustainable in the long run.
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post #234 of 437
Quote:
Originally Posted by tsm106 View Post
Yea, killawatts measure power draw from the wall socket. They sell them on Amazon, 20 bucks. Plug it into wall socket, plug your pc into it. It will show power draw on the unit. Note power draw at idle and full gpu load w/o cpu load, this is your gpu power draw.

As far as voltage imo, the less voltage needed to achieve your goal the better. It creates less heat, less wear, and it's more sustainable in the long run.
Gotcha. Much appreciated!
Yea, but if you disregard component decay and wear; do you think it's possible that it will better performance in the short run?
Either way you get another rep from me for the replies.
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post #235 of 437
Quote:
Originally Posted by EndWar View Post
Gotcha. Much appreciated!
Yea, but if you disregard component decay and wear; do you think it's possible that it will better performance in the short run?
Either way you get another rep from me for the replies.
If overvolt damage isn't a concern, it doesn't really matter what volts you run to get the speed you want right?
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post #236 of 437
Just posted this unlock comparison thread for anyone interested

HD6950 Shader Unlock Gaming Comparison
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post #237 of 437
When I tried to backup my current Bios using Winflash I got a BSOD! =S

and after the reboot the file was there, in the folder it was supposed to be. Weird!!!!
post #238 of 437
So... I bought another 6950, an MSI to be exact. It was 245 after rebate from Amazon free shipping.

Anyways, so I got it today and I'm !@#ing ecstatic because it has the bios switch and backplate. There was a good chance it would be a revision 2, but instead I scored with this one. None of my systems are up at the moment except for my son's Dell. I'm gonna drop it in there and unlock it.
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post #239 of 437
Woot! Unlocked to 6970 bios. That makes it for 4 for 4 full unlock to 6970 bios for me.
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post #240 of 437
I unlocked 2 Sapphire 6950s shaders lastnight. I didnt see the point to flash with a 6970 bios if I can just unlock the shaders and OC the card to whatever the 6970 can clock to.
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