Maximum PC: Historically, integrated graphics, with their notoriously lackluster performance, have been of little interest to power users. But perceptions began to change with Intel’s Sandy Bridge, and later its Ivy Bridge, microarchitecture. While Sandy Bridge’s DX10-class, Intel HD 2000/3000 graphics engines aren’t cutting-edge by any means, they offer enough performance for many mainstream PC users, and consequently, helped Intel gain market share in the graphics race. Ivy Bridge further improves the situation with a more powerful graphics core outfitted with additional execution units and DX11 support. Whereas Intel’s HD 3000 offers 12 EUs, Ivy Bridge’s HD 4000 engine has 16.