Bona fide intel cpu or is a knock off okay?

So, just for shits and giggles I want to upgrade a 2007 iMac to run Success' href='/2020/12/install-macos-mojave-on-supported-pc.html'>Mojave but my quandary is the CPU. A genuine Intel is gonna cost $250 but Ali express only $50

What’s the word?

Author: @StatisticianFine9368