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These are the two grinders most often shortlisted by home espresso drinkers who have decided to single-dose. They solve the same problem from opposite directions: the Niche Zero uses large conical burrs, the DF64 uses flats. That one difference drives almost everything else.
- Niche Zero: conical burrs, sweeter and more forgiving, refined workflow
- DF64: flat burrs, more clarity and separation, better value
- Both are genuinely low-retention single-dose designs
- Choose on cup preference and budget, not on specifications
Burr geometry is the real decision
The Niche uses 63 mm conical burrs. Conicals produce a slightly wider particle distribution, which in the cup reads as body, sweetness and roundness. They are forgiving: a small dialling error still gives you something drinkable.
The DF64 ships with flat burrs, and flats produce a tighter distribution. That reads as clarity — individual flavours separate rather than blending. The trade is less forgiveness. A grind adjustment that a conical would absorb can noticeably change a flat-burr shot.
Side by side
| Factor | Niche Zero | DF64 |
|---|---|---|
| Burr type | 63 mm conical | 64 mm flat |
| Cup character | Sweet, round, heavy body | Clear, separated, brighter |
| Forgiveness | High | Moderate |
| Retention | Effectively zero | Very low, varies by version |
| Adjustment | Stepless collar | Stepless |
| Burr swaps | Not the usual path | Large aftermarket ecosystem |
| Filter range | Excellent | Good |
| Value | Premium | Stronger price-to-performance |
Workflow and upgrade paths
The Niche is the more finished product: quiet, tidy, designed around single-dosing from the start, and it grinds coarse enough for French press without complaint. The DF64 is the more open platform — owners routinely swap in different burr sets to change its character entirely, which is either a fun upgrade path or an unwanted project depending on your temperament.
Which should you buy?
Choose the Niche Zero if you want one grinder that does espresso and filter, prefer a sweeter and more forgiving cup, and want to stop tinkering. Choose the DF64 if you want clarity in the cup, better value for the burr size, and like the idea of swapping burrs later.
Read the full Niche Zero review or the wider espresso grinder guide.
Frequently asked questions
Is the DF64 as low-retention as the Niche?
Close, but the Niche is the benchmark. DF64 retention varies by version and by any modifications fitted, while the Niche was designed around zero retention from the outset.
Which is better for filter coffee?
The Niche. Its range extends comfortably to coarse grinds, whereas espresso-focused flat grinders are often weaker at the coarse end.
Can I change the burrs in a Niche Zero?
It is not the usual upgrade path. The DF64 has a much larger aftermarket burr ecosystem if swapping appeals to you.