Yes, but its not actually TurboTax that sets the processing fees. There is an additional charge set by the IRS processing services when you choose an integrated e-file and pay option compared to paying the IRS directly through Direct Pay.
See -
https://www.irs.gov/payments/pay-by-debit-or-credit-card-when-you-e-file
For a lower rate, choose to make payments through Direct Pay -
https://www.irs.gov/payments
https://www.irs.gov/payments/pay-taxes-by-credit-or-debit-card
