If you don't need a laptop then a 2009/2010 Mac Pro is still a strong option. You can easily and cheaply upgrade to a 6 core (12 cores if you have a dual socket model), memory is cheap and it has standard PCIe slots so you can whack in a SSD and decent graphics card.
I have macOS and Windows running on mine so I can switch to Windows when I feel like a gaming session.
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If you don't need a laptop then a 2009/2010 Mac Pro is still a strong option. You can easily and cheaply upgrade to a 6 core (12 cores if you have a dual socket model), memory is cheap and it has standard PCIe slots so you can whack in a SSD and decent graphics card.
I have macOS and Windows running on mine so I can switch to Windows when I feel like a gaming session.