If by machine learning you mean only neural nets, frameworks like tensorflow or pytorch are built to parallelize operations in NVidia GPUs, and if you want to lower training times (who doesn't, trying different stuff is important), then I recommend the option with the GPU, the Dell option. If you just want to try out machine learning or this is not important, then your back will thank you for the lightest option. Mobility is great!
so which laptop do you suggest MacBook Pro 2016 or Dell Inspiron 15 7567 or any other?
And what about more weight, less battery life, and useless graphics card.
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