Head to head

Gamma Marathon DPC 15 (1.40) vs Gamma Ocho TNT 17 (1.25)

They split the measurements 3–3. The widest gap is snapback, where Marathon DPC 15 (1.40) is 34 percentile points ahead. Every figure is a testing-machine result at a fixed reference tension.

Measured, side by side

Gamma

Marathon DPC 15 (1.40)

Nylon · 15 ga

Gamma

Ocho TNT 17 (1.25)

Nylon · 17 ga

Stiffness lower = softer, kinder on the arm
18046th pct
18654th pct
Tension loss lower = stays where you strung it
154th pct
110th pct
Energy return higher = livelier, more free power
9388th pct
9495th pct
Spin potential higher = more spin off the string bed
5.774th pct
5.057th pct
Ball bite higher = grabs the ball harder
0.44855th pct
0.47267th pct
Snapback lower = strings slide and snap back
0.07921st pct
0.09454th pct

Bars are percentile against all 788 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.

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 Marathon DPC 15 (1.40) at 52 lb

String Ocho TNT 17 (1.25) at 50.2 lb 22.8 kg

Coming from Ocho TNT 17 (1.25) at 52 lb

String Marathon DPC 15 (1.40) at 53.8 lb 24.4 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.

Marathon DPC 15 (1.40) mains / Ocho TNT 17 (1.25) crosses

Stiffness49th pct · 1 measured
Tension loss2nd pct · 1 measured
Energy return91st pct · 1 measured
Spin potential70th pct · 1 measured
Ball bite57th pct · 1 measured
Snapback29th pct · 1 measured

Ocho TNT 17 (1.25) mains / Marathon DPC 15 (1.40) crosses

Stiffness50th pct · 1 measured
Tension loss1st pct · 1 measured
Energy return92nd pct · 1 measured
Spin potential61st pct · 1 measured
Ball bite65th pct · 1 measured
Snapback47th pct · 1 measured

Open this in the hybrid builder

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.

Marathon DPC 15 (1.40)

~39 hours of play

Ocho TNT 17 (1.25)

~40 hours of play

Both strings in full

Every published measurement
StringGaugeStiff lb/inLoss %Power %SpinBite COFSnap COF
Gamma Marathon DPC 15 (1.40) Nylon1518015935.70.4480.079
Gamma Ocho TNT 17 (1.25) Nylon1718611945.00.4720.094

Add a third string Marathon DPC 15 (1.40) in full Ocho TNT 17 (1.25) in full