String comparison
RPM Blast Rough vs Hyper-G Soft
Babolat RPM Blast Rough against Solinco Hyper-G Soft: ratings, specs and which one fits your junior.
The short answer
Both are polyester strings. RPM Blast Rough leads on spin. Hyper-G Soft leads on power, comfort, durability and tension hold. They score the same for arm friendliness (3/5). Hyper-G Soft costs less per set.
Ratings
Power
Spin
Control
Comfort
Durability
Tension hold
Ratings are on a 1–10 scale. The higher score is in bold when they differ.
Pick RPM Blast Rough if…
- You want more spin (10 vs 9 out of 10)
- Best for: spin-obsessed players
- Best for: juniors developing their topspin game
- Best for: first-time poly users (more forgiving than Blast)
Pick Hyper-G Soft if…
- You want more power (8 vs 7 out of 10)
- You want more comfort (7 vs 6 out of 10)
- You want more durability (7 vs 6 out of 10)
- You want more tension hold (8 vs 5 out of 10)
- You want to spend less (from $12 vs $20 a set)
- Best for: players who like Hyper-G but want more comfort
- Best for: juniors transitioning to polyester
- Best for: those wanting spin with less stiffness
Specs side by side
| Spec | RPM Blast Rough | Hyper-G Soft |
|---|---|---|
| Type | Polyester | Polyester |
| Construction | Textured octagonal high-density co-polyester | Square-shaped co-polyester with softening chemical formula |
| Gauges | 16, 17 | 16, 17 |
| Stiffness | Medium | Medium |
| Set price | $20–21 | $12–13 |
| Reel price | $130–150 | $165–175 |
| Arm friendliness | 3/5 · Moderate | 3/5 · Moderate |
| Cost to maintain | 3/5 | 5/5 |
| Recommended from | Age 13 | Age 13 |
| Levels | Intermediate, Advanced, Elite | Intermediate, Advanced, Elite |
| Play styles | Baseliner, Big hitter | Baseliner, All court, Big hitter |
| Junior tension | 46-50 lbs for juniors. Can string slightly lower than regular Blast. | 48-52 lbs for juniors. Can string at normal tensions due to improved comfort. |
RPM Blast Rough in short
Babolat RPM Blast Rough adds a textured surface to the familiar octagonal profile of RPM Blast. The result is a string that some testers found eclipsed the spin of the original. It feels softer and more arm-friendly than regular RPM Blast, with a livelier, more powerful response. A great entry-level co-poly for juniors or developing players looking to try their first polyester string.
Hyper-G Soft in short
Hyper-G Soft is a softer high-performance co-polyester string designed to offer playability and control while generating extreme power and intense spin. It utilizes a newly developed softening chemical formula with improved tension maintenance. All the spin benefits of original Hyper-G with a more forgiving, arm-friendly response. The improved tension maintenance means the string stays playable longer.
RPM Blast Rough vs Hyper-G Soft: quick answers
Which has more spin, RPM Blast Rough or Hyper-G Soft?
Babolat RPM Blast Rough, with a spin rating of 10/10 against 9/10.
Which is more arm-friendly for a junior?
They score the same, 3/5. RPM Blast Rough is recommended from age 13 and Hyper-G Soft from age 13.
Which lasts longer?
Solinco Hyper-G Soft rates 7/10 for durability against 6/10.
Which is cheaper?
RPM Blast Rough costs about $20–21 a set and Hyper-G Soft about $12–13, at typical retail.
The short answer and the "pick if" lists are generated from our ratings and junior data only. Data verified 2025-01 (RPM Blast Rough) and 2025-01 (Hyper-G Soft).