Ronbus R4 Pulsar vs Six Zero Ruby
Both paddles measured on the same 15-trait Paddle DNA test. Ronbus R4 Pulsar takes the higher overall IQ score, but the right pick depends on which traits you value.
Add a third paddle to this comparison →
Paddle DNA head-to-head
- 88Power85
- 82Control86
- 88Spin88
- 82Forgiveness81
- 84Sweet spot82
- 86Stability85
- 78Maneuverability76
- 86Pop83
- 78Touch82
- 84Consistency85
- 76Swing weight70
- 80Twist weight83
- 56Launch angle56
- 86Plow through80
- 68Softness74
Ronbus R4 Pulsar vs Six Zero Ruby specs
Every measured spec side by side. Highlighted values are the better of the two where one is objectively better.
| Spec | Ronbus R4 Pulsar | Six Zero Ruby |
|---|---|---|
| Street price(USD) | $160 | $160 |
| IQ score(/ 100) | 83.5 | 83.5 |
| Weight(oz) | 8.1 | 8.2 |
| Core thickness(mm) | 14 | 16 |
| Swing weight(kg·cm²)Lower swings faster | 113 | 114 |
| Twist weight(kg·cm²)Higher is more stable | 6.5 | 6.6 — better |
| Shape | elongated | hybrid |
| Face length(in) | 16.5 | 16.3 |
| Face width(in) | 7.4 | 7.6 |
| Handle length(in) | 5.5 | 5.4 |
| Grip circumference(in) | 4.25 | 4.25 |
| Surface | Raw T700 carbon | Raw T700 carbon |
| Core material | Thermoformed polypropylene with foam walls | Thermoformed polymer |
Ronbus R4 Pulsar verdict
Ronbus swings for pace with a 14 mm foam-walled build. Power 88 and pop 86 at $160 is the best price-to-punch ratio we have measured this year.
Six Zero Ruby verdict
Six Zero's answer to the hybrid trend, and the most balanced paddle in our 2026 test group. Very few weaknesses at this price.
The verdict
Measured on the same 15-trait test, the clearest separation is swing weight: Ronbus R4 Pulsar scores 76 against 70 for Six Zero Ruby — a 6-point gap. They are effectively level on power, pop, twist weight, so those traits should not decide the purchase. Price is close enough ($160 vs $160) that it should not break the tie.
Swing weight
Ronbus R4 Pulsar leads by 6 points (76 vs 70).
Plow through
Ronbus R4 Pulsar leads by 6 points (86 vs 80).
Softness
Six Zero Ruby leads by 6 points (74 vs 68).
Control
Six Zero Ruby leads by 4 points (86 vs 82).
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 (83.1 vs 83.2 on the weighted index). Pick on shape — elongated on the R4 Pulsar, hybrid on the Ruby.
- Twist weight
- Control
- Consistency
Intermediate
3.0–3.9 — playing organised rec and early tournaments
Too close to call on the traits that matter here (82.8 vs 83.2 on the weighted index). Pick on shape — elongated on the R4 Pulsar, hybrid on the Ruby.
- Control
- Touch
- Consistency
Advanced / tournament
4.0+ — repeatable swing, fast hands battles
Too close to call on the traits that matter here (84 vs 83.3 on the weighted index). Pick on shape — elongated on the R4 Pulsar, hybrid on the Ruby.
- Plow through
- Power
- Maneuverability
Arm-sensitive players
Anyone managing tennis elbow or shoulder load
Six Zero Ruby
Six Zero Ruby is a narrow pick at this level — softness 74 vs 68, twist weight 83 vs 80. Its 16 mm Thermoformed polymer core at 8.2 oz is the softer, lower-shock build of the two.
- Softness
- Twist weight
Which one should you buy?
Ronbus R4 Pulsar
Take Ronbus R4 Pulsar if you want swing weight (+6), plow through (+6). Its swing weight of 113 kg·cm² and 14 mm core are what produce that profile.
Read the Ronbus R4 Pulsar review →Six Zero Ruby
Take Six Zero Ruby if you want softness (+6), control (+4), touch (+4). Its swing weight of 114 kg·cm² and 16 mm core are what produce that profile.
Read the Six Zero Ruby review →Ronbus R4 Pulsar vs Six Zero Ruby FAQ
- Which is better, the Ronbus R4 Pulsar or the Six Zero Ruby?
- Ronbus R4 Pulsar carries the higher overall Paddle IQ score (83.5 vs 83.5), but IQ is a weighted average. On the trait that separates them most — swing weight — Ronbus R4 Pulsar leads by 6 points.
- Which one is faster at the kitchen line?
- Ronbus R4 Pulsar, at 113 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 Ronbus R4 Pulsar or the Six Zero Ruby?
- Ronbus R4 Pulsar measures 88 on power against 85 for Six Zero Ruby. That comes from a 14 mm Thermoformed polypropylene with foam walls core swinging at 113 kg·cm² — mass behind the ball, not face material.
- Which one gives more control and touch?
- Six Zero Ruby at 86 versus 82. Its 16 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?
- Ronbus R4 Pulsar scores 88 for spin off its Raw T700 carbon face, against 88 for the Raw T700 carbon face on Six Zero Ruby. In practice a 0-point gap is small enough that technique matters more.
- Which is more forgiving on off-center hits?
- Six Zero Ruby, with 6.6 twist weight against 6.5. Higher twist weight means the face rotates less when you miss the middle, and Ronbus R4 Pulsar carries the higher forgiveness score (82) as a result.
- Is the price difference worth it?
- They are within $0 of each other, so price should not decide this matchup.
- Do they use the same core and face?
- Ronbus R4 Pulsar: 14 mm Thermoformed polypropylene with foam walls core with a Raw T700 carbon face. Six Zero Ruby: 16 mm Thermoformed polymer core with a Raw T700 carbon face.
- Which is better for a two-handed backhand?
- Ronbus R4 Pulsar, at 5.5 in of handle against 5.4 in. Anything under 5.25 in forces you to choke the bottom hand onto the face bevel, which Ronbus R4 Pulsar avoids.
- Which one is better for beginners?
- Ronbus R4 Pulsar is the safer first paddle here: forgiveness 82 and sweet spot 84 mean fewer mishits while your contact point is still inconsistent. Ronbus R4 Pulsar rewards a repeatable swing and can feel unstable before that.
- Which is lighter in the hand?
- Ronbus R4 Pulsar at 8.1 oz against 8.2 oz. Static weight matters for arm fatigue and elbow comfort; swing weight (113 vs 114) is what you feel mid-rally.
- Is it worth upgrading from the Six Zero Ruby to the Ronbus R4 Pulsar?
- Only if you need what it actually adds. Ronbus R4 Pulsar leads on swing weight by 6 points; everything else is within 6 points. At $160 vs $160, the money is better spent elsewhere unless that one trait is your weak spot.
This matchup is a control vs power decision
Browse every head-to-head that splits on the same trade-off:
Also worth comparing
Head-to-heads that share DNA with this matchup — useful if you're still deciding between shapes, cores or price tiers.
- R4 Pulsar vs Black Diamond Power 16
- R4 Pulsar vs Series One Project Black
- R4 Pulsar vs Extreme Tour 16
- R4 Pulsar vs Evoke Premier Pro
Top alternatives to both
Paddles that beat one of these two on a specific trait or on price.
Read the full reviews: Ronbus R4 Pulsar and Six Zero Ruby. Or build a different comparison, browse the full database or find paddles within 5% of your current one.