The TaylorMade Qi4D is the winner for raw speed and aerodynamics, while the Callaway Quantum Triple Diamond Max offers superior feel and stability on off-center hits.
Their scorecard
Forgiveness: 4/5 — Misses are weak cuts
Distance: 5/5 — Higher clubhead speed
Sound & feel: 3/5 — Dull carbon thump
Looks at address: 4/5 — White banner strip
What they rate
Qi4D offers 2mph more clubhead speed on average
Callaway provides better efficiency and smash factor
Both models offer significantly improved visuals in sunlight
What they don’t
The TaylorMade sound is muted/dull compared to Callaway
Callaway's left-bias miss may worry 'hookers' of the ball
The TaylorMade Qi4D is the winner for raw speed and aerodynamics, while the Callaway Quantum Triple Diamond Max offers superior feel and stability on off-center hits.
Qi4D offers 2mph more clubhead speed on average
Callaway provides better efficiency and smash factor