Eureka Mignon Zero 55s vs Fellow Opus 2 Conical Burr Grinder
Technical comparison · All-purpose grinders
Choose Eureka Mignon Zero 55s if you want a grinder with 55 mm hardened steel flat burrs dedicated to Espresso and Drip coffee. Choose Fellow Opus 2 Conical Burr Grinder if you prefer 48 mm stainless steel conical burrs and wider versatility covering Pour over, French press, and Cold brew.
| Parameter |
Mignon Zero 55s
Eureka
F3 · Advanced
|
Opus 2 Conical Burr Grinder
Fellow
F3 · Advanced
|
|---|---|---|
| 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
No awards in this tier.
Lowest price range Advanced
The lowest estimated price range among the sheets in the All-purpose grinders category (advanced tier): 90–200 €. It is an editorial estimate, not a selling price.
How we assign awards →The differences that matter
- Burr type and material: Eureka Mignon Zero 55s features 55 mm hardened steel flat burrs, while Fellow Opus 2 uses 48 mm stainless steel conical burrs.
- Brewing methods: Fellow Opus 2 covers Espresso, Pour over, Drip coffee, French press, and Cold brew, whereas Eureka Mignon Zero 55s covers Espresso and Drip coffee.
- Hopper capacity: Eureka Mignon Zero 55s holds 150 g, compared to 100 g for Fellow Opus 2.
- Dimensions and weight: Eureka Mignon Zero 55s measures 12 × 21.5 × 36.3 cm and weighs 5.6 kg; Fellow Opus 2 measures 13 × 20.6 × 26.7 cm and weighs 2.3 kg.
- Power output: Eureka Mignon Zero 55s operates at 310 W, compared to 300 W for Fellow Opus 2.
Which one to choose
Choose Mignon Zero 55s if…
Choose Eureka Mignon Zero 55s if your priority is grinding with 55 mm hardened steel flat burrs, 310 W power, and a 150 g hopper capacity focused on Espresso and Drip coffee.
Choose Opus 2 Conical Burr Grinder if…
Choose Fellow Opus 2 Conical Burr Grinder if you need versatility across 5 brewing methods (Espresso, Pour over, Drip coffee, French press, Cold brew), 48 mm stainless steel conical burrs, and a 2.3 kg body.
Where to buy
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