Apple wrote:
Processor: Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz (4 CPUs)
That's actually a dual-core. It just shows up as 4 cores since it has HT, don't let that fool you. I really wouldn't have gone for that machine, the Intel® HD Graphics 4400 has just slow shared memory, whereas the Iris Pro (5xxx) has 128MB of extremely fast L4 cache. Also the invalid is basically the same. My macbook actually has one of the Iris Pro GPUs and it has about half the speed of the dedicated Geforce GT 750M it comes with as well.
Your 4500U: $393.00
http://ark.intel.com/products/75460/int ... o-3_00-ghz4850HQ (Twice the cores, much better GPU): $434.00
http://ark.intel.com/products/76086/Int ... o-3_50-GHz
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