Butterfly Tenergy 64 vs Nittaku Fastarc C-1: Which Should You Buy?

UltraSpin comparison · 2026-06-10 · rubber

Butterfly Tenergy 64Nittaku Fastarc C-1
Our rating8.6/108.4/10
best_sideboth wings, but especially the backhand and for speed-first attackersbackhand or allround
controlmedium-highhigh
speedvery high15.25 (Nittaku scale)
spinhigh but the lowest of the Tenergy line12.25 (Nittaku scale)
sponge_hardnessapproximately 36 degrees on the Butterfly scale (around 48 degrees ESN, plays nearer 45)45 degrees
typespring sponge high tension tensor, inverted topsheetinverted / tensor
weight_uncut_gapproximately 70 (around 47 g cut at 2.1 mm)approx 47 g (157 x 150 mm sheet)

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Butterfly Tenergy 64 is the fastest Tenergy with spin-insensitive reliable blocking, ideal for speed-first attackers and blockers wanting to counter spinny balls with low throw and light weight. Nittaku Fastarc C-1 is a forgiving high-arc tensor that prioritizes spin and dwell time on opening loops while delivering excellent mid-distance striking. Fastarc C-1 shares G-1 topsheet grip that is grippy and spinny when active, with effortless close-to-table blocks and controlled power. Fastarc C-1 is less spinny passively than harder tensors and not ideal for high-speed serving; Tenergy 64 is spin-insensitive but reaches higher top-end speed. Fastarc C-1 is significantly cheaper and better suited for backhand or allround play; Tenergy 64 is faster and lighter. Fastarc C-1 suits intermediate attackers; Tenergy 64 suits speed-focused players.

FAQ

Which rubber is better for backhand?

Fastarc C-1. Its forgiving high arc and excellent dwell time are ideal for backhand. Tenergy 64 is better for speed-first backhand countering.

Which rubber has more spin output?

Fastarc C-1 on opening loops and heavy topspin. Tenergy 64 overall due to higher speed, but less passive spin.

Which rubber is cheaper?

Fastarc C-1 offers strong value versus Tenergy 64 or 80 at lower price.

Which rubber is better for mid-distance play?

Fastarc C-1. It excels at mid-distance striking and controlled power. Tenergy 64 is better for close-table blocking.