Butterfly Dignics 64 vs Yasaka Rakza Z: Which Should You Buy?

UltraSpin comparison · 2026-06-11 · rubber

Butterfly Dignics 64Yasaka Rakza Z
Our rating8.8/108.6/10
best_sidebackhandforehand
control8.5high
speed9.5medium
spin8.5extreme
sponge_hardness40 degrees (Shore A) / 50 degrees (EUR)50 degrees (medium-hard; Extra Hard version around 57 degrees)
typeinvertedhybrid tacky tensor
weight_uncut_g4772

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Dignics 64 is the pure backhand blocker: spin insensitive, low trajectory, light and durable. Excellent for speed exchanges and aggressive blocks where controlling incoming spin matters more than generating maximum spin.

Yasaka Rakza Z is a hard tacky hybrid with exceptional, low-slip spin on loops, backspin openings, and serves. Surprisingly high control and long dwell time for a hard rubber, tacky topsheet grips the ball, and strong linear kick when you commit to full strokes. Excellent durability and great value versus Dignics 09C alternatives.

These are fundamentally different: Dignics 64 for fast backhand play and control, Rakza Z for heavy spin generation through full strokes. Rakza Z is heavy and demands aggressive forehand play with full power to shine. It is weak at passive play or when out of position. Choose Dignics 64 for speed-focused backhand tactics and versatility. Pick Rakza Z if you are a proactive offensive player, especially forehand looper, who wants heavy spin and placement over outright pace.

FAQ

Which has more spin?

Rakza Z rates extreme for spin with exceptional, low-slip output. Dignics 64 rates 8.5 and prioritizes spin insensitivity, making them opposites in spin philosophy.

Which is for forehand vs backhand?

Dignics 64 is backhand-focused. Rakza Z is ideal for forehand loopers who want heavy spin and can commit full power to each stroke.

How much heavier is Rakza Z?

Rakza Z at 72g uncut is significantly heavier than Dignics 64’s 47g. This 25-gram difference can cause noticeable arm and wrist fatigue, especially on carbon blades.

Which is more durable?

Rakza Z offers excellent durability and strong value versus Dignics 09C and Tenergy. Dignics 64 is also durable. Both are long-lasting compared to many alternative rubbers.

Who is each for?

Dignics 64: advanced backhand blockers seeking speed control and durability. Rakza Z: proactive offensive players, especially forehand loopers, wanting heavy spin and excellent value.