MKV Streaming lag by 4k films

[munpip214]

Might check out this thread. In general WiFi shouldn’t be used for 4K. Too many unknown variables that can slow it down.

4K WiFi Streaming on Apple TV (Problem)

Two more explanations I can offer. Macbook Pro is 3x3 MIMO (Max 1.3Gbps) wireless while iPhones and Apple TV is 2x2MIMO (867Mbps). So you are already cutting speed by 1/3. That third channel being used by the macbook might be less congested that the other two when streaming to the ATV. Also macbook pro has much better antenna and can pick up data with a smaller signal strength. Even 10’ farther from the router in the same room could drop it a speed level (Mod/Cod). Here’s a good site explaining…