Donic Bluefire M1 vs Yasaka Rakza 7 Soft: Which Should You Buy?

UltraSpin comparison · 2026-06-12 · rubber

Donic Bluefire M1Yasaka Rakza 7 Soft
Our rating8.4/108.2/10
best_sideForehandbackhand or both
control9.1 / 109+ (Yasaka scale)
speed9.7 / 1011 (Yasaka scale)
spin9.0 / 1014+ (Yasaka scale)
sponge_hardness47.5 degrees (medium-hard)40 degrees (37-42 ESN range)
typeInverted / Tensortensor/inverted
weight_uncut_gapprox 49 gapproximately 42-44g

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M1 (8.4) is the hardest, fastest Bluefire, targeting 1500-plus USATT specialists with high throw angle and spin-dominant topspin from close-to-mid distance. Rakza 7 Soft (8.2) emphasizes control and serve-receive precision at soft 40 degrees, excelling on backhand and with new poly balls. Rakza 7 Soft consistently outscores comparable tensors in control and offers generous net clearance. However, speed lags and penetration from mid-far distance is limited. M1 fades within 1-2 months. Rakza 7 Soft is the superior first tensor upgrade for intermediates. M1 for forehand-only attackers seeking extremity; Rakza 7 Soft for developing, all-round, or backhand-focused players prioritizing control over explosiveness.

FAQ

Which is significantly harder and faster?

M1 is dramatically harder and faster. Rakza 7 Soft prioritizes soft control over speed.

Which is better for developing players?

Rakza 7 Soft overwhelmingly. M1 requires 1500-plus USATT skill.

Which works on backhand?

Rakza 7 Soft excels on backhand. M1 too hard for most on non-dominant wing.

Which handles poly balls better?

Rakza 7 Soft optimized for new poly balls. M1 works with poly but not specialized.

Which is more durable?

Rakza 7 Soft reports better durability. M1 fades within 1-2 months.