Proton Series Four (Project Roadrunner) vs Six Zero Ruby

The verdict

Measured on the same 15-trait test, the clearest separation is maneuverability: Proton Series Four (Project Roadrunner) scores 84 against 76 for Six Zero Ruby — a 8-point gap. They are effectively level on consistency, control, sweet spot, so those traits should not decide the purchase. Six Zero Ruby is $15 cheaper at $160.

• Maneuverability

  Proton Series Four (Project Roadrunner) leads by 8 points (84 vs 76).

• Spin

  Proton Series Four (Project Roadrunner) leads by 7 points (95 vs 88).

• Softness

  Proton Series Four (Project Roadrunner) leads by 6 points (80 vs 74).

• Touch

  Proton Series Four (Project Roadrunner) leads by 4 points (86 vs 82).

Which one should you buy?

Proton Series Four (Project Roadrunner) vs Six Zero Ruby FAQ

Which is better, the Proton Series Four (Project Roadrunner) or the Six Zero Ruby?

Proton Series Four (Project Roadrunner) carries the higher overall Paddle IQ score (85.6 vs 83.5), but IQ is a weighted average. On the trait that separates them most — maneuverability — Proton Series Four (Project Roadrunner) leads by 8 points.

Which one is faster at the kitchen line?

Proton Series Four (Project Roadrunner), at 110 kg·cm² swing weight against 114 for Six Zero Ruby. Lower swing weight is the single best predictor of hand speed in fast exchanges.

Which paddle has more power, the Proton Series Four (Project Roadrunner) or the Six Zero Ruby?

Proton Series Four (Project Roadrunner) measures 85 on power against 85 for Six Zero Ruby. That comes from a 15 mm Nomex and polypropylene hybrid honeycomb core swinging at 110 kg·cm² — mass behind the ball, not face material.

Which one gives more control and touch?

Proton Series Four (Project Roadrunner) at 88 versus 86. Its 15 mm core holds the ball on the face slightly longer, which is what makes resets and dinks land shorter.

Which paddle spins the ball more?

Proton Series Four (Project Roadrunner) scores 95 for spin off its Aerospace bi-directional carbon with exposed aramid weave face, against 88 for the Raw T700 carbon face on Six Zero Ruby. In practice a 7-point gap is noticeable on third-shot drives.

Which is more forgiving on off-center hits?

Six Zero Ruby, with 6.6 twist weight against 6.3. Higher twist weight means the face rotates less when you miss the middle, and Proton Series Four (Project Roadrunner) carries the higher forgiveness score (82) as a result.

Is the price difference worth it?

Six Zero Ruby costs $160, $15 less. Whether that gap is worth closing depends on whether you actually use the traits it trades away — check the head-to-head DNA bars above before paying up.

Do they use the same core and face?

Proton Series Four (Project Roadrunner): 15 mm Nomex and polypropylene hybrid honeycomb core with a Aerospace bi-directional carbon with exposed aramid weave face. Six Zero Ruby: 16 mm Thermoformed polymer core with a Raw T700 carbon face.

Which is better for a two-handed backhand?

Six Zero Ruby, at 5.4 in of handle against 5.375 in. Anything under 5.25 in forces you to choke the bottom hand onto the face bevel.

Which one is better for beginners?

Proton Series Four (Project Roadrunner) is the safer first paddle here: forgiveness 82 and sweet spot 84 mean fewer mishits while your contact point is still inconsistent. Proton Series Four (Project Roadrunner) rewards a repeatable swing and can feel unstable before that.

Which is lighter in the hand?

Proton Series Four (Project Roadrunner) at 7.9 oz against 8.2 oz. Static weight matters for arm fatigue and elbow comfort; swing weight (110 vs 114) is what you feel mid-rally.

Is it worth upgrading from the Six Zero Ruby to the Proton Series Four (Project Roadrunner)?

Only if you need what it actually adds. Proton Series Four (Project Roadrunner) leads on maneuverability by 8 points; everything else is within 7 points. At $175 vs $160, the money is better spent elsewhere unless that one trait is your weak spot.

Also worth comparing

Head-to-heads that share DNA with this matchup — useful if you're still deciding between shapes, cores or price tiers.

• Series Four (Project Roadrunner) vs V-Sol Pro 16
• Series Four (Project Roadrunner) vs SLK Halo XL Control
• Series Four (Project Roadrunner) vs V7 Hybrid

• Ruby vs V7 Hybrid
• Ruby vs Oni 16
• Ruby vs Mach 1 Forza 16

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Read the full reviews: Proton Series Four (Project Roadrunner) and Six Zero Ruby. Or build a different comparison, browse the full database or find paddles within 5% of your current one.