NVIDIA’s Kepler-based GeForce GTX 680 arrived this morning with no shortage of promises: faster than the Fermi GPUs of old, but cooler running and more power efficient too. According to the graphics company, the new 28nm Kepler technology can do twice as much graphical magic per watt than previous GPUs, with the ability to drive four monitors from a single card. Plenty of hyperbole, then, but how does the GTX 680 live up in practice? We’ve been crunching through the launch-day reviews; check out our summary after the cut.












