[Q] Intl vs ATT version?

I live in the California AT&T service area. I have been trying to find out the 4G and LTE bands on the intl and ATT Versions. If I buy the intl version will it be compatible with AT&T LTE bands? Ideally I would like to buy the intl version so that I can get the OS updates when Samsung releases them without waiting the extra time for AT&T to release the upgrade. I also dont want the AT&T bloatware.

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