New vs Old: MacBook Pro Benchmarks compare the Core 2 Duo 13″, Core i5/i7 15″ and 17″ models | OSXDaily
2020 MacBook Air With Quad-Core i5 is Up to 76% Faster Than 2018-2019 Model Based on Benchmarks - MacRumors
Refurbished 13.3-inch MacBook Pro 2.0GHz quad-core Intel Core i5 with Retina display- Silver - Apple
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