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I have a 4k monitor (LG 27UD88-W) that supports USB-C input. The 12" MacBook drives it at full resolution at an unusable 15 Hz. It drives the screen at 1080P

I have a 4k monitor (LG 27UD88-W) that supports USB-C input. The 12" MacBook drives it at full resolution at an unusable 15 Hz. It drives the screen at 1080P resolution at 60Hz. The laptop charges from the monitor's power supply while plugged in, so I think it is a pretty good setup if only the refresh rate was better at native resolution. The monitor has just two USB 3.0 type A ports so it can be used as a dock. It's no refresh of the thunderbolt display, but it'll do. Thunderbolt 3.0 runs on USB-C so you can consider this a 4-port thunderbolt machine. USB-C should start catching on now that Apple finally made a decent machine with the port. I was really bummed when the iPhone 7 did not feature USB-C instead of lightning. I'm optimistic about the new MacBook Pro driving a 4K display at 60Hz. Luckily I will get to order through work and test it out before considering it personally.

kgwgk 10y ago
13" Simultaneously supports full native resolution on the built-in display at millions of colors and: One display with 5120-by-2880 resolution at 60Hz at over a billion colors Up to two displays with 4096-by-2304 resolution at 60Hz at over a billion colors 15" Simultaneously supports full native resolution on the built-in display at millions of colors and: Up to two displays with 5120-by-2880 resolution at 60Hz at over a billion colors Up to four displays with 4096-by-2304 resolution at 60Hz at over a billion colors