A:AnswerYep. All Apple’s chips do. The m5 has more of that performance than before because it’s got the separate engine plus the GPU does that kind of work too now.
A:AnswerYou can from Apple’s website to some extent, though then you miss out on sales Best Buy runs.
I’m not sure if Apple lets you configure the m5 with 32GB and 512GB storage though, since 512GB is the base amount now.