Toms Hardware: Who needs sleep when you have caffeine? We take a second GeForce GTX 680 and run it in SLI against two Radeon HD 7970s. Then we add 5760x1080 benchmark results. Then we overclock our single-GPU flagships for a third comparison.
BenchmarkReviews.com: NVIDIA's new Kepler-based video cards have set new standards in performance for the desktop graphics market. Now that reference-design cards are widely available, manufacturers have the breathing space to start distinguishing their products. Benchmark Reviews has been given the opportunity to examine MSI's N680GTX Lightning video card, and as we'll see MSI has gone far beyond simply slapping a new cooler on a reference design board. As with other products in MSI's Lightning line, the N680GTX boasts a completely new board design that should allow substantial overclocking.
WCCFTech writes: You might remember the Sparkle GTX 680 Calibre press release we covered, of it having a new cooler, very similar to a Gainward Phantom edition cards. The card was showcased at Computex with more details now available.
techPowerUp: With the Kepler architecture, particularly with the design of the new-generation Streaming Multiprocessors (SMX), NVIDIA techPowerUp: substantially increased CUDA core density. Each SMX holds 192 CUDA cores, and as with the previous-generation Fermi architecture, the SMX count is the only thing NVIDIA can tinker with, to control CUDA core count in new GPUs. GeForce GTX 680's little brother, hence will have 7 out of 8 SMX units enabled, and end up with a CUDA core count of 1344. This leaves easier to configure parameters such as clock speeds, for NVIDIA to design the perfect SKU to capture a price-point. NVIDIA is targeting the sub-$399 market, while somehow maintaining competitiveness with Radeon HD 7950.
