DF64 Gen 2 Single Dose Grinder vs Fellow Opus Conical Burr Grinder
DF64 Gen 2 Single Dose Grinder (#2, best premium) vs Fellow Opus Conical Burr Grinder (#4, best value): in our Coffee Grinders scoring the DF64 Gen 2 Single Dose Grinder totals 9.1/10 and the Fellow Opus Conical Burr Grinder 8.3/10.
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TopsFive comparison scores
Side by side
| DF64 Gen 2 Single Dose Grinder | Fellow Opus Conical Burr Grinder | |
|---|---|---|
| Price | $390 | $195 |
| Burrs | 64mm flat | 40mm conical |
| Retention | <0.3g | — |
| Adjustment | Stepless | — |
| Motor | 250W | — |
| Upgrades | SSP burrs compatible | — |
| Settings | — | 41 |
| Hopper | — | 110g |
| Features | — | Load cell, anti-static |
| Design | — | Award-winning |
How they differ in real use
Built from our coffee grinders scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the DF64 Gen 2 Single Dose Grinder and the Fellow Opus Conical Burr Grinder made our Top 5 Coffee Grinders, at #2 (best premium) and #4 (best value). 64mm flat burrs with near-zero retention at half the price of established competitors. The home espresso community's darling. Beautiful design meets solid performance—41 settings covering all brew methods with anti-static technology.
We score coffee grinders on Grind Consistency (40%), Grind Range (25%), Retention (15%), Build Quality (10%) and Value (10%). On that basis the DF64 Gen 2 Single Dose Grinder totals 9.1 out of 10 and the Fellow Opus Conical Burr Grinder 8.3. The widest gap is Grind Consistency, where the DF64 Gen 2 Single Dose Grinder scores 9 against 8 for the Fellow Opus Conical Burr Grinder — particle uniformity. Retention also separates them: 10 for the DF64 Gen 2 Single Dose Grinder versus 8 for the Fellow Opus Conical Burr Grinder.
On paper, the specifications that actually differ: Burrs — 64mm flat on the DF64 Gen 2 Single Dose Grinder versus 40mm conical on the Fellow Opus Conical Burr Grinder.
Pricing as of February 1, 2026: $390 for the DF64 Gen 2 Single Dose Grinder and $195 for the Fellow Opus Conical Burr Grinder, a $195 difference in the Fellow Opus Conical Burr Grinder's favor. Owners praise the DF64 Gen 2 Single Dose Grinder for 64mm flat burrs and near-zero retention; the most common complaint is QC can vary. Owners praise the Fellow Opus Conical Burr Grinder for beautiful design and 41 grind settings; the most common complaint is not espresso-optimized.
DF64 Gen 2 Single Dose Grinder
- 64mm flat burrs
- Near-zero retention
- Great value
- SSP burr upgradeable
- QC can vary
- Needs alignment check
- Clumpy stock
Fellow Opus Conical Burr Grinder
- Beautiful design
- 41 grind settings
- Load cell for dosing
- Anti-static technology
- Not espresso-optimized
- Higher retention than single-dose
- Premium pricing
Which should you buy?
The DF64 Gen 2 Single Dose Grinder is the better fit for single-dose home espresso and value-seekers — it is the higher-scoring pick here, chiefly for Grind Consistency and Retention. The Fellow Opus Conical Burr Grinder is the better fit for design-conscious coffee lovers and multi-method brewers. If the $195 saving matters more than Grind Consistency, the Fellow Opus Conical Burr Grinder is the better value. The DF64 Gen 2 Single Dose Grinder is a poor fit for set-and-forget users; the Fellow Opus Conical Burr Grinder is a poor fit for serious espresso focus.
Choose the DF64 Gen 2 Single Dose Grinder if
- Single-dose home espresso
- Value-seekers
- Those comfortable modding
Skip it if
- Set-and-forget users
- Those wanting premium support
Choose the Fellow Opus Conical Burr Grinder if
- Design-conscious coffee lovers
- Multi-method brewers
- Fellow ecosystem fans
Skip it if
- Serious espresso focus
- Budget shoppers
Common questions
Is the DF64 Gen 2 Single Dose Grinder better than the Fellow Opus Conical Burr Grinder?
In our Coffee Grinders ranking the DF64 Gen 2 Single Dose Grinder scores higher overall, 9.1 to 8.3, with the biggest advantage in Grind Consistency. The Fellow Opus Conical Burr Grinder does not out-score it on any criterion we weigh.
How much more does the DF64 Gen 2 Single Dose Grinder cost than the Fellow Opus Conical Burr Grinder?
$195 more as of February 1, 2026: $390 for the DF64 Gen 2 Single Dose Grinder against $195 for the Fellow Opus Conical Burr Grinder. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Grind Consistency — 9 versus 8 in our scoring.
What is the main difference between the DF64 Gen 2 Single Dose Grinder and the Fellow Opus Conical Burr Grinder?
The headline spec difference is Burrs: 64mm flat on the DF64 Gen 2 Single Dose Grinder versus 40mm conical on the Fellow Opus Conical Burr Grinder. In use, the gap that matters most is Grind Consistency (9 vs 8 in our scoring): particle uniformity.