Head to head
Wilson NXT OS vs Wilson SGX 16
They split the measurements 3–3. The widest gap is ball bite, where NXT OS is 48 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.
Measured, side by side
Bars are percentile against all 791 strings, and the marked side is the one that measures better, which is not always the one you want. A firmer bed is worse for your elbow and better for your control, and no measurement knows which of those you came for.
Which one wins, by problem
Each string's standing on the site's rankings, out of every measured string in the database. This is where a comparison stops being arithmetic and starts being a decision.
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NXT OS629th
SGX 16671st
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NXT OS235th
SGX 16221st
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NXT OS576th
SGX 16581st
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NXT OS215th
SGX 16217th
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NXT OS107th
SGX 16120th
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NXT OS603rd
SGX 16610th
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NXT OS205th
SGX 16203rd
Swapping between them: what tension?
Bed stiffness is published at one reference tension, so the only honest conversion is to scale it. These are starting points from 52 lb, not prescriptions. The calculator takes your own tension.
Coming from NXT OS at 52 lb
String SGX 16 at 53.2 lb 24.1 kg
Coming from SGX 16 at 52 lb
String NXT OS at 50.6 lb 23.0 kg
Hybrid: what if you used both?
Estimated, not measured. No hybrid combination has been tested as a bed. These figures are the two strings' own lab measurements weighted by how much of the bed each one actually is. Treat them as a guide to which way a pairing moves, never as lab data.
NXT OS mains / SGX 16 crosses
SGX 16 mains / NXT OS crosses
Which goes dead first?
Estimated from tension loss, which is the only thing the database measures about ageing. This is when the bed stops playing the way you strung it, not when the string breaks.
NXT OS
~36 hours of play
SGX 16
~36 hours of play
Both strings in full
| String | Gauge | Price | Stiff lb/in | Loss % | Power % | Spin | Bite COF | Friction COF |
|---|---|---|---|---|---|---|---|---|
| Wilson NXT OS Nylon | — | find | 170 | 19 | 93 | 2.5 | 0.459 | 0.181 |
| Wilson SGX 16 Nylon | 16 | find | 166 | 19 | 93 | 3.1 | 0.379 | 0.124 |