Many of us were impressed with pint-sized performance of the AMD   Radeon R9 Nano, which packs quite a punch with an MSRP of $499 (although you can find it for as low as $460 if you look hard enough). But there’s a new performance-per-watt king in town with the arrival of Pascal, and NVIDIA’s GeForce GTX 1070 GPU is proving to be quite a formidable

Source: Hot Hardware – Gigabyte Unveils Tiny GeForce GTX 1070 Mini ITX OC Card, Total Radeon R9 Nano Killer