Diadem Edge 18K V2 vs Proton Series Four (Project Roadrunner)
Both paddles measured on the same 15-trait Paddle DNA test. Proton Series Four (Project Roadrunner) takes the higher overall IQ score, but the right pick depends on which traits you value.
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Paddle DNA head-to-head
- 84Power85
- 86Control88
- 90Spin95
- 82Forgiveness82
- 84Sweet spot84
- 84Stability83
- 76Maneuverability84
- 78Pop82
- 84Touch86
- 86Consistency88
- 74Swing weight68
- 80Twist weight82
- 52Launch angle57
- 80Plow through78
- 72Softness80
Diadem Edge 18K V2 vs Proton Series Four (Project Roadrunner) specs
Every measured spec side by side. Highlighted values are the better of the two where one is objectively better.
| Spec | Diadem Edge 18K V2 | Proton Series Four (Project Roadrunner) |
|---|---|---|
| Street price(USD) | $180 | $175 — better |
| IQ score(/ 100) | 83.7 | 85.6 — better |
| Weight(oz) | 8.1 | 7.9 |
| Core thickness(mm) | 16 | 15 |
| Swing weight(kg·cm²)Lower swings faster | 113 | 110 |
| Twist weight(kg·cm²)Higher is more stable | 6.6 — better | 6.3 |
| Shape | elongated | elongated |
| Face length(in) | 16.4 | 16.5 |
| Face width(in) | 7.4 | 7.375 |
| Handle length(in) | 5.5 | 5.375 |
| Grip circumference(in) | 4.25 | 4.25 |
| Surface | Textured 18K raw carbon | Aerospace bi-directional carbon with exposed aramid weave |
| Core material | Thermoformed polypropylene with foam edge fill | Nomex and polypropylene hybrid honeycomb |
Diadem Edge 18K V2 verdict
Diadem's 18K weave measures at the top end for spin without the harsh feedback most thermoformed elongated paddles carry. It is the balanced option in a category full of specialists.
Proton Series Four (Project Roadrunner) verdict
The exposed Kevlar weave is the story: it grips the ball like a fresh grit face but, unlike sprayed textures, it is the material itself, so the spin number does not decay over a season.
The verdict
Measured on the same 15-trait test, the clearest separation is maneuverability: Proton Series Four (Project Roadrunner) scores 84 against 76 for Diadem Edge 18K V2 — a 8-point gap. They are effectively level on control, touch, consistency, so those traits should not decide the purchase. Price is close enough ($175 vs $180) that it should not break the tie.
Maneuverability
Proton Series Four (Project Roadrunner) leads by 8 points (84 vs 76).
Softness
Proton Series Four (Project Roadrunner) leads by 8 points (80 vs 72).
Swing weight
Diadem Edge 18K V2 leads by 6 points (74 vs 68).
Spin
Proton Series Four (Project Roadrunner) leads by 5 points (95 vs 90).
Which one is right for your level?
Each call below re-weights the Paddle DNA traits that matter at that level, so the winner can differ from the overall pick.
Beginner
New to 3.0 — still building a consistent contact point
Too close to call on the traits that matter here (84 vs 83.4 on the weighted index). Pick on shape — elongated on the Series Four (Project Roadrunner), elongated on the Edge 18K V2.
- Twist weight
- Consistency
- Control
Intermediate
3.0–3.9 — playing organised rec and early tournaments
Proton Series Four (Project Roadrunner)
Proton Series Four (Project Roadrunner) is a narrow pick at this level — maneuverability 84 vs 76, spin 95 vs 90, control 88 vs 86. At 110 kg·cm² swing weight it stays quick enough for hands battles.
- Maneuverability
- Spin
- Control
Advanced / tournament
4.0+ — repeatable swing, fast hands battles
Proton Series Four (Project Roadrunner)
Proton Series Four (Project Roadrunner) is a narrow pick at this level — spin 95 vs 90, maneuverability 84 vs 76, touch 86 vs 84. Swing weight 110 kg·cm² is what carries that through contact.
- Spin
- Maneuverability
- Touch
Arm-sensitive players
Anyone managing tennis elbow or shoulder load
Proton Series Four (Project Roadrunner)
Proton Series Four (Project Roadrunner) is a narrow pick at this level — softness 80 vs 72, twist weight 82 vs 80. Its 15 mm Nomex and polypropylene hybrid honeycomb core at 7.9 oz is the softer, lower-shock build of the two.
- Softness
- Twist weight
Which one should you buy?
Proton Series Four (Project Roadrunner)
Take Proton Series Four (Project Roadrunner) if you want maneuverability (+8), softness (+8), spin (+5). Its swing weight of 110 kg·cm² and 15 mm core are what produce that profile.
Read the Proton Series Four (Project Roadrunner) review →Diadem Edge 18K V2
Take Diadem Edge 18K V2 if you want swing weight (+6). Its swing weight of 113 kg·cm² and 16 mm core are what produce that profile.
Read the Diadem Edge 18K V2 review →Proton Series Four (Project Roadrunner) vs Diadem Edge 18K V2 FAQ
- Which is better, the Proton Series Four (Project Roadrunner) or the Diadem Edge 18K V2?
- Proton Series Four (Project Roadrunner) carries the higher overall Paddle IQ score (85.6 vs 83.7), 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 113 for Diadem Edge 18K V2. 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 Diadem Edge 18K V2?
- Proton Series Four (Project Roadrunner) measures 85 on power against 84 for Diadem Edge 18K V2. 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 90 for the Textured 18K raw carbon face on Diadem Edge 18K V2. In practice a 5-point gap is small enough that technique matters more.
- Which is more forgiving on off-center hits?
- Diadem Edge 18K V2, 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?
- They are within $5 of each other, so price should not decide this matchup.
- 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. Diadem Edge 18K V2: 16 mm Thermoformed polypropylene with foam edge fill core with a Textured 18K raw carbon face.
- Which is better for a two-handed backhand?
- Diadem Edge 18K V2, at 5.5 in of handle against 5.375 in. Anything under 5.25 in forces you to choke the bottom hand onto the face bevel, which Diadem Edge 18K V2 avoids.
- 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 8.1 oz. Static weight matters for arm fatigue and elbow comfort; swing weight (110 vs 113) is what you feel mid-rally.
- Is it worth upgrading from the Diadem Edge 18K V2 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 8 points. At $175 vs $180, 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.
- Edge 18K V2 vs Ruby
- Edge 18K V2 vs Pursuit Ultra MX 6.0
- Edge 18K V2 vs SLK Halo XL Control
- Edge 18K V2 vs Series One Project Black
- 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
- Series Four (Project Roadrunner) vs Ruby
Top alternatives to both
Paddles that beat one of these two on a specific trait or on price.
Read the full reviews: Diadem Edge 18K V2 and Proton Series Four (Project Roadrunner). Or build a different comparison, browse the full database or find paddles within 5% of your current one.