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post #11 of 14
Overclocking the memory has some advantages as it pushes info across the bus at faster speeds, least I think so(correct me if I'm wrong anyone). When you get into higher resolutions like 1440p, 1080p/1440p Surround, or 4K, memory overclocking helps a lot, that is partially why at higher resolutions the AMD 290 and 290X do really well, since they have a 512 bit bus vs our 384. Try something small, like +50 - +100 on the memory after you believe you have found a stable clock speed, even at 1080p memory overclocking will increase frames, just not as much as core clocks do.

I wouldn't rely on a program to test for stability, I've found out games are a bit more demanding and random then a benchmark ever will be. Even though I can bench at higher speeds in 3dmark, I have to lower speeds to 1110 or else my monitors go black in Red Orchestra 2.

Remember though overclocking the core/memory and adding voltage will increase the heat, just be mindful of your temps via precision and you should be good to go.

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post #12 of 14
Certainly the more memory that is being used, the more benefit you will see with higher clocks/more bandwidth.
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post #13 of 14
Thread Starter 
Quote:
Originally Posted by Shogon View Post

Overclocking the memory has some advantages as it pushes info across the bus at faster speeds, least I think so(correct me if I'm wrong anyone). When you get into higher resolutions like 1440p, 1080p/1440p Surround, or 4K, memory overclocking helps a lot, that is partially why at higher resolutions the AMD 290 and 290X do really well, since they have a 512 bit bus vs our 384. Try something small, like +50 - +100 on the memory after you believe you have found a stable clock speed, even at 1080p memory overclocking will increase frames, just not as much as core clocks do.

I wouldn't rely on a program to test for stability, I've found out games are a bit more demanding and random then a benchmark ever will be. Even though I can bench at higher speeds in 3dmark, I have to lower speeds to 1110 or else my monitors go black in Red Orchestra 2.

Remember though overclocking the core/memory and adding voltage will increase the heat, just be mindful of your temps via precision and you should be good to go.
Quote:
Originally Posted by EVGA-JacobF View Post

Certainly the more memory that is being used, the more benefit you will see with higher clocks/more bandwidth.

I had just always assumed it was mostly for show when people overclock the memory, having a bandwidth of 288GB/s just seems astronomical, and most vendors don't overclock the memory from stock. I will give it a try and see what happens, I'm covered by warranty, so why not. I'm aiming for 90+ fps, and I was surprised at the bump in frame count when I played BF4/Crysis 3 with the OC. Never really dips below 65fps in either with my SC at factory OC settings, and it was a good 20+ frames higher at 1215mhz. Replicating exact tests is obviously impossible, so I'm putting the big difference down to that.

BF4 seems to be really memory hungry, uses 2.4gb or more sometimes, Crysis 3 was more like 1.8gb VRAM.
    
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post #14 of 14
Thread Starter 
Quote:
Originally Posted by EVGA-JacobF View Post

Anything that you can do in Precision is covered under warranty.

Another question for you Jacob:

I've found a stable clock now, 1215mhz seems to be the limit, which I use 1.2v for, I don't think 1.87v will cut it for that speed, but I think my card could definitely go higher if the TDP limit was increased and I had maybe 2.12v to play with. 1228mhz keeps bouncing back down to 1202/1215 during a windowed Firestrike run. The cards cooling is pretty awesome, so I don't imagine that being an issue.

I know you are bound, nay obligated, to tell me that bios flashes void warranty outright, but its been said that flashing it back to a stock bios is acceptable to EVGA in the event that a minor mishap occurs.

What's the official standing on this?

Edit: Also, for future reference, is there a different stance taken for dual-bios cards?
    
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