- Sep 30, 2013
- 3
- 0
- 10,510
Hi,
I recently acquired an EVGA GTX 780 Classified Hydro Copper and it runs fine in stock clocks but when I overclock it to 1500 mhz and overvolted it to 1.35V, the TDP used during load dropped from 120% to 40-50% and makes the card run slower than it was in stock clocks. However, the card was water cooled, thus temperature was kept under 50 degrees, eliminating thermal throttling. So my question is, is my PSU causing the drop of my GPU's TDP usage? I have a FSP 1000W power supply, i7-980X@4.8Ghz, 12GB of ram, GTX 780@1500Mhz, GTX 480 as a dedicated Physx Card, Asus Rampage III Extreme, 18 120mm fans, 2 140mm fans, and 2 12V D5 water pumps.
I recently acquired an EVGA GTX 780 Classified Hydro Copper and it runs fine in stock clocks but when I overclock it to 1500 mhz and overvolted it to 1.35V, the TDP used during load dropped from 120% to 40-50% and makes the card run slower than it was in stock clocks. However, the card was water cooled, thus temperature was kept under 50 degrees, eliminating thermal throttling. So my question is, is my PSU causing the drop of my GPU's TDP usage? I have a FSP 1000W power supply, i7-980X@4.8Ghz, 12GB of ram, GTX 780@1500Mhz, GTX 480 as a dedicated Physx Card, Asus Rampage III Extreme, 18 120mm fans, 2 140mm fans, and 2 12V D5 water pumps.
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