Eureka Mignon Zero 55s vs Fellow Opus 2 Conical Burr Grinder

Technical comparison · All-purpose grinders

In brief

Mignon Zero 55s is ahead on burr diameter; beyond that the two differ in burr type and supported brew methods, which is a design choice rather than a ranking. On the category's technical index, Mignon Zero 55s ranks #5 of 15, Opus 2 Conical Burr Grinder #13.

Parameter
Awards
Identity
Use tier F3 — Advanced F3 — Advanced
Price
Price (€) ~200–450 € ~90–200 €
Price updated on 09/2026 09/2026
Universal specs
Dimensions (W×D×H) (cm) 12 × 21.5 × 36.3 cm 13 × 20.6 × 26.7 cm
Weight (kg) 5.6 kg 2.3 kg
Power (W) 310 W 300 W
Category specs
Burr type Flat Conical
Burr diameter (mm) 55 mm 48 mm
Single dose Yes Yes
Supported brew methods Espresso, Drip filter Espresso, Pour over, Drip filter, French press, Cold brew
Adjustment type Stepless Stepless
Burr material Hardened steel Stainless steel
Drive Electric Electric
Hopper capacity (g) 150 g 100 g

CoffeeSpecs Awards

Mignon Zero 55s

No awards in this tier.

Opus 2 Conical Burr Grinder

Best price Advanced

The lowest price band among advanced All-purpose grinders machines (between €900 and €2,000). It is a positioning estimate, not a selling price.

How we assign awards →

The differences that matter

  • Burr diameter: Mignon Zero 55s 55 mm vs Opus 2 Conical Burr Grinder 48 mm — Mignon Zero 55s wins (+15%)
  • Burr type: Mignon Zero 55s Flat · Opus 2 Conical Burr Grinder Conical
  • Supported brew methods: Mignon Zero 55s Espresso, Drip filter · Opus 2 Conical Burr Grinder Espresso, Pour over, Drip filter, French press, Cold brew
  • Burr material: Mignon Zero 55s Hardened steel · Opus 2 Conical Burr Grinder Stainless steel

Which one to choose

Choose Mignon Zero 55s if…

you value burr diameter.

See the Mignon Zero 55s sheet →

Questo confronto rimanda alle due schede, dove trovi i dati completi e i link ufficiali.