In this guide we’ll examine Rainbow Six Siege's PC-only upgrades, explain how they work, show comparisons that highlight their benefits, and reveal their relative performance cost at 1920x1080, the most popular PC gaming resolution. On PC there are enhanced graphics, higher rendering resolutions, and technically-advanced NVIDIA GameWorks effects that raise the bar for graphical fidelity. Tom Clancy's Rainbow Six Siege launches worldwide today across multiple platforms. By Andrew Burnes on Mon, Featured Stories,