Butterfly Dignics 64 vs Butterfly Sriver FX: Which Should You Buy?

UltraSpin comparison · 2026-06-11 · rubber

Butterfly Dignics 64Butterfly Sriver FX
Our rating8.8/107.8/10
best_sidebackhandboth
control8.5high
speed9.5medium
spin8.5medium-high
sponge_hardness40 degrees (Shore A) / 50 degrees (EUR)soft
typeinvertedhigh-tension inverted (soft)
weight_uncut_g4762

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Dignics 64 and Butterfly Sriver FX are separated by generations. Dignics 64 is a modern premium backhand tensor: outstanding spin insensitivity for handling heavy serves, low flat trajectory, excellent counter-looping at half-distance, superior durability versus Tenergy 64, light weight aids mobile play.

Sriver FX is a decades-old classic optimized for speed glue era. Outstanding control and consistency among highest user-rated for both. Excellent for blocking and chopping; soft, forgiving sponge beloved by beginners. Good value at roughly 30-40 USD. However, it feels slow and tame unglued, lacks catapult and high throw of modern tensors, soft sponge limits power generation. Not optimized for modern plastic ball. Choose Dignics 64 for contemporary speed-tolerant play; choose Sriver FX for budget-conscious control players or speed-glue users.

FAQ

Is Sriver FX good for beginners?

Yes—soft, forgiving sponge and excellent control are beginner-friendly. Dignics 64 demands more skill.

Which is faster?

Dignics 64 significantly faster—modern tensor versus classic rubber. Sriver FX unglued is notoriously slow.

Price?

Sriver FX roughly 30-40 USD; Dignics 64 premium-priced. Sriver FX vastly cheaper.

Speed glue compatibility?

Sriver FX designed for speed glue—feels slow unglued. Dignics 64 is modern; speed glue is banned.

Who buys each?

Dignics 64: advanced players seeking premium lightweight backhand. Sriver FX: budget-conscious beginners and control players.