Benchmarks actually show the hd 530 beating the r6 but they are so close it's pretty much the same level. So the i7 wins hands down. http://www.notebookcheck.net/Intel-HD-Graphics-530.148358.0.html
http://www.notebookcheck.net/AMD-Radeon-R6-Carrizo-Benchmarks.144290.0.html
Benchmarks actually show the hd 530 beating the r6 but they are so close it's pretty much the same level. So the i7 wins hands down. http://www.notebookcheck.net/Intel-HD-Graphics-530.148358.0.html
http://www.notebookcheck.net/AMD-Radeon-R6-Carrizo-Benchmarks.144290.0.html