All base versions of the MacBook Air feature a dual-core Intel i5 1.4GHz processor, with a Turbo mode clock speed of up to 2.7GHz. If you’re willing to spend an extra £120 you can get a dual-core i7 CPU.
These are relatively efficient CPUs designed to promote battery life just as much as performance. The Pro models all offer higher clock speeds, with the base model using a dual-core 2.4GHz Intel Core i5 CPU. MacBook 2
Upgrades in the Pro model go much higher than the Airs too – you can get a quad-core Intel Core i7-powered MacBook Pro if you have deep enough pockets. This extra upgradability is seen in RAM too. MacBook Airs comes in 4GB and 8GB varieties, MacBook Pros in 8GB and 16GB.
If you’re out for one of the cheaper MacBook models, beware of the non-Retina MacBook Pro, though. It does not use the latest-generation Haswell type of processor, but an older Ivy Bridge model. This is both slower and less power-efficient. Avoid, unless you really know what you’re getting into.
Aside from this ‘dud’ model, the MacBook Pros all have more powerful GPUs than the Airs. The Intel HD 5000 integrated graphics used in the MacBook Airs aren’t too shabby by old standards, but the Intel Iris chips of the Pros are slightly more powerful.
The real difference? The Intel Iris chip is clocked at 1.2GHz, just 100MHz up from the 1.1GHz of the HD 5000, and it’s designed to run at the higher 28W power of the Pro, rather than the 15W of the Air. They are of the same generation, but the Pro’s GPU is a bit more powerful. And the 15-inch version has the even more powerful Iris Pro edition as well, which has an extra 128MB eDRAM.
‘Real’ gamers should consider a 15-inch MacBook Pro with a dedicated graphics card. However, these don’t come cheap – you’re looking at upwards of £2,000. Still, a Windows laptop is still the way forward for gaming, not least because Windows support for games is much more comprehensive.
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