Custom Mini ITX i3 6100 & GTX 1050 --- iGPU or Dedicated?

Custom Mini ITX small form factor PC with the newest GTX 1050 budget graphics card. Should you stick with the integrated GPU or get a dedicated one? Budget gaming on the cheap from quality name brands: Cooler Master 110 Case Gigabyte H110N Motherboard Corsair 8 GB DDR4 RAM Corsair 240 GB SSD i3 6100 CPU Zotac Nvidia GTX 1050  Corsair 450 Watt Power Supply USB Wireless-N Adapter Windows 10 Home Go to minute 11:50 for cost