Besides the differences in speed, the processors for each model have the same specifications. 15-inch Retina MacBook Proīelow is a summary of the processor upgrades for the different 15-inch Retina MacBook Pro models:Įach model received a 100 MHz increase in processor speed. If you're curious how your computer compares, you can download Geekbench to find out. Higher Geekbench scores are better, where twice the score means twice the performance. If you're not familiar with Geekbench, it's our cross-platform benchmark utility. How do these new Retina MacBook Pro models perform compared to the original models? To find out I've collected Geekbench 2 results from the Geekbench Browser for all of the Retina MacBook Pro models and charted the scores below. The 13-inch Retina MacBook Pro now comes with a 2.5 GHz, 2.6 GHz, 2.9 GHz, or 3.0 GHz dual-core processor. The 15-inch Retina MacBook Pro now comes with a 2.4 GHz, 2.7 GHz, or a 2.8 GHz quad-core processor. Last week Apple quietly updated their Retina MacBook Pro lineup with faster processors.