Indeed. With the January update to GPU drivers, the SP3 is able to drive a 4k monitor @ 60Hz while still having the built-in display on, also @ 60Hz.
Not all 4k monitors though, only the older, MST ones.
See https://www.reddit.com/r/Surface/comments/2v7te8/reduce_cpu_...
For gaming, get an USB fan.
Indeed. With the January update to GPU drivers, the SP3 is able to drive a 4k monitor @ 60Hz while still having the built-in display on, also @ 60Hz.
Not all 4k monitors though, only the older, MST ones.
See https://www.reddit.com/r/Surface/comments/2v7te8/reduce_cpu_...
For gaming, get an USB fan.