Significance of higher memory speed vs higher CPU speed in two macbook models?

brad3n

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Apr 30, 2015
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I am planning to buy a MacBook Pro within the next couple of weeks, but I'm stuck between two models. One is the older MacBook Pro 15-inch (base 2.2 GHz i7) starting at $1899.00, and the other is the newer MacBook Pro 15-inch (base 2.6 GHz i7, 256GB SSD, w/ touchbar) starting at $2249.00.

If I were to buy this older MacBook Pro, I'd choose the version that upgrades the CPU to 2.8 GHz i7, raising the price from $1899 to $2169. That's still less than the $2249 newer MacBook Pro with only a 2.6GHz i7.

The only problem (from my inexperienced perspective) is the speed of the memory in this old macbook vs the new macbook. The older one has 16GB of 1600MHz RAM, while the newer one has 16GB of 2133MHz RAM. My question is: How significant would this memory speed difference be in my performance if I were to opt for the lower speed memory in the old macbook with a higher CPU speed or vice versa with the new macbook? I'll likely be doing a lot of photoshop, possibly music production, and most of my college/CompSci/development work.

The new MacBook Pro also has a Radeon Pro 450 (2GB memory) for graphics compared to Intel Iris Pro Graphics in the old MacBook Pro, if that makes any difference to the question.

Just for reference here is the link to the MacBook Pro models:
https://www.apple.com/us-hed/shop/buy-mac/macbook-pro/15-inch
There website isn't very helpful in viewing the more advanced specs of a particular model.

If the prices I mentioned seem a little off, that's because I was looking at the Education Pricing.
Any insight or opinions are appreciated!