4k: Last Epoch
Last Epoch isn't as demanding as Diablo 4 , but pushing it to true 4K (2160p) requires a specific balance of VRAM and CPU single-core speed. Here is the breakdown for 60 FPS vs 144 FPS at 4K.
In 4K, you can actually see the runes glowing on your helmet. You can read the flavor text without squinting. And most importantly—you can see the exact ground effect that is about to one-shot you. last epoch 4k
But here is the truth: You need a GPU with at least 10GB of VRAM. If you run out of VRAM at 4K, the game will drop to 20 FPS the second a Harbinger spawns. Last Epoch isn't as demanding as Diablo 4