Here are a few rewrites of the title “Club World Cup final: How Chelsea, PSG compare; who will win?” with slightly different focuses:

Focusing on the Matchup:

• Chelsea vs. PSG in Club World Cup Final: A Head-to-Head Comparison and Predictions
• Club World Cup Final Preview: Chelsea vs. PSG – Strengths, Weaknesses, and Winner Prediction
• Club World Cup Final Showdown: Chelsea and PSG Battle for the Title

Focusing on Analysis:

• Analyzing Chelsea and PSG Ahead of the Club World Cup Final
• Club World Cup Final: A Deep Dive into Chelsea and PSG’s Chances
• Chelsea vs. PSG: Breaking Down the Club World Cup Final Matchup

More Direct & Concise:

• Club World Cup Final: Chelsea vs. PSG – Who Wins?
• Chelsea-PSG Club World Cup Final: Predictions and Comparison

Slightly more informal:

• Club World Cup Final: Can Chelsea Beat PSG?
• Chelsea vs. PSG: Who’s Taking Home the Club World Cup Trophy?

The best option depends on the specific tone and emphasis you want to convey.