Have to agree with Titan and Darkbreeze....A Intel 9700K or 9900K/KS plus RTX 2080Ti will do a great job for 1080P high refresh gaming and be fairly good on the Photoshop side. It will also handle streaming and the like though the 3900X should also be conidered though again at 1080P the 9900K comes to mind.
Below is
just an example build and others will jump in with better suggestions. This includes the 9900KS which is the all core 5GHz CPU and it seems to overclock to 5.2GHz if you want to overclock...you can up the ram as well to 32GB if required as the RAM is very cost effective...
PCPartPicker Part List:
https://pcpartpicker.com/list/YCVMZf
CPU: Intel Core i9-9900KS 4 GHz 8-Core Processor ($524.99 @ Best Buy)
CPU Cooler: Corsair H150i PRO 47.3 CFM Liquid CPU Cooler ($179.89 @ OutletPC)
Motherboard: Gigabyte Z390 AORUS ULTRA ATX LGA1151 Motherboard ($249.99 @ Amazon)
Memory: G.Skill Trident Z RGB 16 GB (2 x 8 GB) DDR4-3600 Memory ($94.99 @ Newegg)
Storage: Crucial P1 1 TB M.2-2280 NVME Solid State Drive ($95.89 @ OutletPC)
Storage: Seagate Barracuda 2 TB 3.5" 7200RPM Internal Hard Drive ($64.99 @ Newegg)
Video Card: EVGA GeForce RTX 2080 Ti 11 GB Black Video Card ($1098.99 @ SuperBiiz)
Case: Fractal Design Meshify C ATX Mid Tower Case ($89.99 @ Amazon)
Power Supply: SeaSonic FOCUS Plus Gold 750 W 80+ Gold Certified Fully Modular ATX Power Supply ($109.99 @ SuperBiiz)
Total: $2509.71
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2019-11-03 16:03 EST-0500