V v_jenya Feb 1, 2019 1 0 10 0 Feb 1, 2019 #1 Hi. I have next PC: Processor: Intel Core i7-4770 Motherboard: g1.sniper Z5s I want to update my current GPU (GeForce GTX 660) to the new one. I want to buy 1080/1070/2060 but afraid of the bottleneck. Looking for advice from experts. Thank you.