How significantly does the performance varies between the configurations listed below.
2.7GHz Quad-core Intel Core i7, Turbo Boost up to 3.7GHz
16GB 1600MHz DDR3L SDRAM
512GB Flash Storage
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2.4GHz Quad-core Intel Core i7, Turbo Boost up to 3.4GHz
16GB 1600MHz DDR3L SDRAM
512GB Flash Storage
2.7GHz Quad-core Intel Core i7, Turbo Boost up to 3.7GHz
16GB 1600MHz DDR3L SDRAM
512GB Flash Storage
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2.4GHz Quad-core Intel Core i7, Turbo Boost up to 3.4GHz
16GB 1600MHz DDR3L SDRAM
512GB Flash Storage