Your graphics controller should be able to support 4K, here you can check Quick Reference Guide for graphics https://software.intel.com/en-us/articles/quick-reference-guide-to-intel-processor-graphics/ Quick Reference Guide for Intel® Core™ Processor Graphics | Intel® Developer Zone. However, bear in mind that the resolution result will depend on your BIOS configuration, EDID of the T.V and custom resolution created by your computer manufacturer.
