The update increases the GPU Boost clockspeed and raises the GPU's voltage limit to make the card run stable at higher clockspeeds. The company claims the new BIOS delivers performance enhancements of up to 8 percent in their 3DMark 11 tests.
OLD BIOS | NEW BIOS | BOOST% | |
GTX660 TI DC2T-2GD5 | P8767 | P9249 | +5% |
GTX660 TI-DC2O-2GD5 | P8193 | P8847 | +8% |
GTX660 TI-DC2-2GD5 | P7925 | P8195 | +3% |