Apple's MacBook Air refresh for 2013 saw it integrating Intel's 4th generation Core "Haswell" CPUs in an effort to improve performance and battery life. It was only a matter of time before the CPU architecture caught up with the rest of Apple's lineup. A validation of a 15-inch MacBook Pro on Geekbench database reveals that Apple is already testing the notebook with the very latest Intel chips.
With Core "Haswell," Intel introduced a new grade of silicon codenamed "Haswell-GT3," which combines up to four CPU cores with up to 6 MB L3 cache, and a large integrated graphics core that features 40 execution units, as opposed to 20 found on regular "Haswell-GT2" and "Haswell-GT1" chips. The added pixel-crunching muscle makes the chip ready to singlehandedly take on Apple's Retina displays, without the need for discrete GPUs, such as the NVIDIA GeForce GT 640M that handled the first Retina-equipped MacBook Pro.
The Geekbench validation scored by the press points out that a near-future 15-inch MacBook Pro could run Intel's Core i7-4950HQ quad-core processor, which is a "Haswell-GT3" part, featuring Intel Iris 5200 graphics, 6 MB L3 cache, and up to 2.40 GHz of CPU clock speed. A slightly older report that predates Apple's grand Spring unveil, pointed out that "Haswell" driven MacBook Pros with Retina display, could be introduced any time this summer. Apple is eyeing back-to-school sales.