To ensure 90% of the population could likely not spot the difference, you would need to place a 50-inch 4K TV 5.9 feet away. To extend this threshold to 100%, it would need to be at least 6.8 feet ...
The parts selection was essentially just the entirety of my old main workstation and gaming rig. For the CPU, it's a Intel Core i7-10700K, which runs relatively cool and will have no problem staying ...