Tips for boosting performance on 970 GTX in SLI configuration
Tips for boosting performance on 970 GTX in SLI configuration
Hi
I’m looking for some good timing solutions to adjust my 2 x 970 gtx gigabyte Sli without raising the voltage, since I don’t want to shorten its lifespan. Do anyone have recommendations?
Here’s a quick summary of my setup:
CPU OC intel7 at 4.4 GHz
16 GB DDR 1600 MHz G-Skill RAM
PSU 1000W Seasonic
Mobo Formula IV ASUS
Thanks!
It is difficult to determine which clock to adjust since every card overclocks differently. It’s possible that some will not even reach their rated boost speed at all.
I suggest increasing the core clock in MSI Afterburner or similar tools by 50 MHz, then checking for any artefacts or crashes using a benchmark like 3DMark Firestrike. If everything is stable, add another 25 MHz and repeat. Adjust gradually until you notice instability, then reduce the change slightly.
You can also follow a similar approach for Memory Overclocking, though it usually offers less performance gain compared to stability concerns.
Regarding voltage adjustments, I wouldn’t be too concerned as the BIOS limits what you can do.
It is hard to say what clock to try, as every card overclocks different. It is a possibility that some will not even overclock over their rated boost speed at all.
I would recommend bumping up the core clock in MSI Afterburner or similar programs by 50 MHz, run a 3DMark Firestrike benchmark and see if you get any artefacting or crashes. If you are fine, then bump up the core clock by another 25 MHz. Repeat this process until the card starts to either crash or artefact, then dial it back a little.
You can also do the same process for Memory Overclocking, but this provides much less performance increase for the stability lost.
On the note of increasing the voltage, I would not worry so much. The BIOS on the card prevents you from turning up the voltage too much, and the chance of damaging anything is extremely low. As long as the temperatures are okay, I always modify the voltage and power limit on my card, to get better overclocks.