Guru3D showed you how to overclock the all new Radeon HD 4890 a few days ago. “….. Today the turn goes to the new GeForce GTX 275. See, you picked up this GeForce GTX 275 for 229 EUR, a card full of livelihood, performance and bang for buck. But heck, you are guru … you want more. Here’s where we present you an overclocking guide. The end result of 2 minutes work is 10 to 15 percent more performance. Join us for a quick crash course in graphics card tweaking…..”.