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OK, so to your point, is your CPU chip soldered? As far as I know its not in your given model as you've already discovered the base model: Intel i5-4570R 2.7 GHz (Ramped 3.20 GHz) CPU is soldered down. Yes, a gamer or someone working in video or music will find the i7 hyper-threading useful! But they are likely to have a bigger display (27" or larger external).Yes, if you run multiple apps concurrently each can have its own thread pool, so you could run an Excel spreadsheet crunch while you're doing something else thats CPU intensive.Yes, it does offer hyper-threading Vs the i5 but most basic workstation apps are still single threaded.Yes, the i7 CPU is faster but by only a slight margin.I'm not sure its worth the effort for so little gain.
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