ASUS Radeon HD 5870 Sets GPU Speed Record of 1525 MHz (core)
In an overclocking feat by XtremeSystems community members Elmor and Kinc, an ASUS EAH5870 MATRIX Radeon HD 5870 graphics card was able to achieve a mind-boggling core speed of 1525 MHz (core) from its default speed of 894 MHz, and AMD reference speed of 850 MHz. This translates into 70% over default speeds, and 79% over reference speeds. The not-so-relevant memory overclock was 1300 MHz (5.2 GHz effective), an 8.3% overclock. The card was cooled using liquid-nitrogen evaporators.
This wasn't a "hit-and-run" feat, either. The stability of the GPU at 1500 MHz was proven with a run of 3DMark Vantage, where it scored P29342 points at the performance preset. The rest of the bench comprised of an Intel Core i7 980X Extreme Edition six-core processor running at 4492.9 MHz, at 1.52V, also cooled by liquid nitrogen, ASUS Rampage III Extreme motherboard, 6 GB of Corsair Dominator GTX DDR3 memory, and Antec 1200W power supply. The validation for the 3DMark Vantage run where it scored P30542 can be found here.
This wasn't a "hit-and-run" feat, either. The stability of the GPU at 1500 MHz was proven with a run of 3DMark Vantage, where it scored P29342 points at the performance preset. The rest of the bench comprised of an Intel Core i7 980X Extreme Edition six-core processor running at 4492.9 MHz, at 1.52V, also cooled by liquid nitrogen, ASUS Rampage III Extreme motherboard, 6 GB of Corsair Dominator GTX DDR3 memory, and Antec 1200W power supply. The validation for the 3DMark Vantage run where it scored P30542 can be found here.