If buying a new CPU of a new generation you'll need a new motherboard. Your best choice will most likely be an i5 2500k or more expensive, but with a boost in certain applications, not including dolphin an i7 2600k paired with a z68 or p67 motherboard, unless you want to wait till the end of the month for the ivy bridge equivalent.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
