String comparison
NRG2 vs NXT
Tecnifibre NRG2 against Wilson NXT: ratings, specs and which one fits your junior.
The short answer
Both are multifilament strings. NRG2 leads on power and spin. NXT leads on control. They score the same for arm friendliness (5/5). NRG2 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 NRG2 if…
- You want more power (9 vs 8 out of 10)
- You want more spin (6 vs 5 out of 10)
- You want to spend less (from $14 vs $18 a set)
- Best for: developing juniors with slow to medium swings
- Best for: doubles players wanting touch on volleys
- Best for: hybrid crosses for power boost
Pick NXT if…
- You want more control (6 vs 5 out of 10)
- Best for: young juniors needing comfort
- Best for: players with slow to moderate swing speeds
- Best for: those wanting gut-like feel without gut price
Specs side by side
| Spec | NRG2 | NXT |
|---|---|---|
| Type | Multifilament | Multifilament |
| Construction | 1,120 Elastyl fibers bonded with flexy polyurethane resin, SPL coating | 1,600 fibers with polyurethane resin coating |
| Gauges | 16, 17 | 15L, 16, 17 |
| Stiffness | Low | Low |
| Set price | $14–18 | $18–20 |
| Reel price | $150–180 | $180–220 |
| Arm friendliness | 5/5 · Excellent | 5/5 · Excellent |
| Cost to maintain | 3/5 | 3/5 |
| Recommended from | Age 8 | Age 8 |
| Levels | Beginner, Intermediate | Beginner, Intermediate, Advanced |
| Play styles | All court, Serve and volley, Touch player | All court, Serve and volley, Touch player |
| Junior tension | 52-56 lbs for juniors. | 52-56 lbs for juniors. Multifilament is very forgiving. |
NRG2 in short
Tecnifibre NRG2 features 1,120 individual Elastyl fibers bonded with polyurethane resin offering 400% elasticity. This gives 12% more power than standard synthetic polyamide strings. The SPL (Silicon Pyrogene Lubritec) coating improves durability and resistance to notching. "Let's not mince words, Tecnifibre NRG2 is powerful" - ideal for players with slow to medium strokes still developing their swings. Playtesters raved about the soft, buttery feel. One of the best tennis strings for tennis elbow.
NXT in short
Wilson NXT is the most popular multifilament string on the market. The incredible feel and outstanding comfort comes from its construction of 1,600 fibers that create a cushioned response. The polyurethane resin coating seals the delicate fibers and enhances durability while softening the feel. NXT offers a 10% increased sweet spot over traditional synthetic gut and 74% less vibration. Players with slow to moderate swing speeds will benefit from the power of NXT. Tennis elbow sufferers looking for a softer, more comfortable string should give NXT a try.
NRG2 vs NXT: quick answers
Which has more spin, NRG2 or NXT?
Tecnifibre NRG2, with a spin rating of 6/10 against 5/10.
Which is more arm-friendly for a junior?
They score the same, 5/5. NRG2 is recommended from age 8 and NXT from age 8.
Which lasts longer?
They tie on durability (5/10). Tension maintenance: NRG2 6/10, NXT 6/10.
Which is cheaper?
NRG2 costs about $14–18 a set and NXT about $18–20, at typical retail.
The short answer and the "pick if" lists are generated from our ratings and junior data only. Data verified 2025-01 (NRG2) and 2025-01 (NXT).