Hiya, first post for me.
I wanted to overclock my sapphire 5770 card to get slightly more performance from it. I've read in one or two articles overclockers getting overclocks (at stock voltage) of 890MHz for the GPU and 1430MHz for the memory easily up from the stock speeds of 850MHz/1200MHz. My question is why can I not get anywhere near these overclocks? Setting my GPU frequency at 890MHz I can only get up to 1300Mhz before the card fails in benchmarks. Cooling doesn't seem to be a problem with the card topping out at 61c on load. Thanks for your help


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) whem you hear other people achieving it, though it may be a particluarly good batch, or you just got a slightly worse card.