Already published on Phoronix have been Intel HD Graphics 4600 benchmarks on Ubuntu Linux from the Intel Core i7 4770K Haswell processor and compared against previous generations of Intel HD Graphics. Being benchmarked today is the Intel HD Graphics 4600 on Linux compared against various AMD Radeon graphics cards using both the open and closed-source graphics drivers."
You do software updates to get the most from favourite programs right? Updating a motherboard BIOS can in a timely manner is also critical. The guide to Flashing a Motherboard BIOS spells out the often complicated steps in plain english. PCSTATS Tips