Mmwave or SIM card - eviltoast

I’m currently in Australia on vacation (I live in the US), and my iPhone 11pro crapped out. The kind people at the Apple Store basically told me to buy the iPhone that I wanted, and then return it at the end of my trip, or keep it if I wanted the sim-card version of the phone.

So I’m in the unique position of needing to choose between an iPhone with a physical SIM card slot, or one that is 5G mmWave enabled. I do travel often, so could see the physical sim slot coming in handy. If it makes a difference, I live in San Francisco, but am not sure if there is 5G mmWave there.

Would love to hear people’s thoughts below! Which would you choose?

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