Eureka Mignon Specialità Smart vs Fellow Opus 2 Conical Burr Grinder
Technical comparison · All-purpose grinders
Choose Eureka Mignon Specialità Smart if you want a high mass (6.5 kg) and 55 mm flat burrs primarily oriented towards espresso. Choose Fellow Opus 2 Conical Burr Grinder if you prefer a single dose system with 48 mm conical burrs and maximum versatility for filter methods.
| Parameter |
Mignon Specialità Smart
Eureka
F3 · Advanced
|
Opus 2 Conical Burr Grinder
Fellow
F3 · Advanced
|
|---|---|---|
| Awards | — | |
| Identity | ||
| Use tier | F3 — Advanced | F3 — Advanced |
| Price | ||
| Price (€) | ~450–1000 € | ~90–200 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 12 × 19.1 × 34.8 cm | 13 × 20.6 × 26.7 cm |
| Weight (kg) | 6.5 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 | No | 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) | 300 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 geometry: Eureka Mignon features 55 mm hardened steel flat burrs, while Fellow Opus 2 uses 48 mm stainless steel conical burrs.
- Intended use and hopper: The Eureka is designed for continuous use with a 300 g hopper, unlike the Fellow Opus 2 which is designed as a single dose grinder with a 100 g capacity.
- Dimensions and weight: The Eureka model is significantly heavier (6.5 kg vs 2.3 kg) and taller (34.8 cm vs 26.7 cm).
- Brew versatility: While the Eureka focuses on espresso and filter coffee, the Fellow Opus 2 covers a wider range including pour over, french press, and cold brew.
Which one to choose
Choose Mignon Specialità Smart if…
Choose the Eureka Mignon Specialità Smart if your priority is grinding stability, guaranteed by its 6.5 kg weight, and if you operate predominantly with espresso, utilizing the 55 mm hardened steel flat burrs and the large 300 g hopper suited for continuous use.
Choose Opus 2 Conical Burr Grinder if…
Choose the Fellow Opus 2 Conical Burr Grinder if you need a lightweight (2.3 kg) and vertically compact (26.7 cm) single dose grinder, capable of ranging from espresso to cold brew thanks to its 48 mm stainless steel conical burrs.
Where to buy
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