Fellow Opus 2 Conical Burr Grinder vs Niche Duo
Technical comparison · All-purpose grinders
Opus 2 Conical Burr Grinder and Duo are not direct competitors: very different prices (~5×). Opus 2 Conical Burr Grinder is the entry-level choice; Duo offers more capability in a higher class. Judge them by budget, not head-to-head.
| Parameter |
Opus 2 Conical Burr Grinder
Fellow
F3 · Advanced
|
Duo
Niche
F4 · Semi-professional
|
|---|---|---|
| Awards | ||
| Identity | ||
| Launch year | — | 2023 |
| Use tier | F3 — Advanced | F4 — Semi-professional |
| Price | ||
| Price (€) | ~90–200 € | ~450–1000 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 13 × 20.6 × 26.7 cm | 13.5 × 23 × 35.5 cm |
| Weight (kg) | 2.3 kg | 5 kg |
| Power (W) | 300 W | — |
| Category specs | ||
| Burr type | Conical | Flat |
| Burr diameter (mm) | 48 mm | 83 mm |
| Retention (g) | — | 0 g |
| Single dose | Yes | Yes |
| Supported brew methods | Espresso, Pour over, Drip filter, French press, Cold brew | Espresso, Drip filter |
| Adjustment type | Stepless | Stepless |
| Burr material | Stainless steel | — |
| Drive | Electric | Electric |
| Hopper capacity (g) | 100 g | — |
CoffeeSpecs Awards
Opus 2 Conical Burr Grinder
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 →Duo
Most capable Semi-professional
Highest technical score among the 5 sheets in the All-purpose grinders category (semi-professional tier): 60/100.
How we assign awards →The differences that matter
- Burr diameter: Opus 2 Conical Burr Grinder 48 mm vs Duo 83 mm — Duo wins (+73%)
- Burr type: Opus 2 Conical Burr Grinder Conical · Duo Flat
- Supported brew methods: Opus 2 Conical Burr Grinder Espresso, Pour over, Drip filter, French press, Cold brew · Duo Espresso, Drip filter
Which one to choose
Choose Opus 2 Conical Burr Grinder if…
It is the cheapest in its class.
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