Overclockers (Team Finland):

SF3D & Sampsa with support of macci & kamu

Test setup:

AMD Phenom II X4 AM3 engineering sample
Asus M4A79-T Deluxe (790FX + SB750)
2 GB Corsair DDR3-1800
Asus ATI Radeon HD 4870 X2
Corsair HX1000W
Kingpin F1 EE + LN2 cooling
Win XP + SP3

We did a quick Super Pi 1M WR in XP @ 6144 MHz. DDR3 doesn't seem to help much in this single threaded almost 15 years old benchmark. We tested that last core (#3) could overclock highest so we used that with affinity setting. CPU-Z shows core #0 clock speed:



Sub 11s seems to require ~6,2 GHz with our current test setup & efficiency. 6,5 GHz for Sub 10 with liquid helium?