How much bandwidth can the Wi-Fi 6 standard set?

I am doing business in restaurant and hotel services, and I am planning to set up the whole system again according to the wi-fi 6 standard.
Is the bandwidth division the same as wi-fi 5? And how much does it cost to renew? Thank you.

It is definitely faster. I think it is better to make an inquiry to your local distributor. They can perform accurate planning according to your demands and explain all advantages and price for the solution.