A tier question, not a holy war
The most common surprise in a consulting call: both candidates come from the same house. That shifts the question from brand to sizing. How many domains, which jurisdictions, is there a server-side chain behind it, does anyone monetise programmatically.
Our field line is stated in both tool reviews: Cookiebot for SMB, Usercentrics for enterprise consent, and where a stack runs without consent-requiring services, we say that too. This very website runs cookieless, without a banner.
The individual verdicts live on the tool pages: Usercentrics and Cookiebot. The broader suite question is covered in OneTrust vs. Cookiebot, the full picture in Measurement & Privacy Engineering.