Main trade-off
Fellow Opus 2 Conical Burr Grinder
Espresso grounds pass through a catch-cup transfer rather than Breville's supplied cradle workflow.
Head-to-head
Choose Opus 2 for a shorter single-dose grinder with stepless adjustment and automatic stopping. Choose Smart Grinder Pro for timed cup or shot selection and included direct-portafilter cradles. Opus is 4.8 inches shorter by the published body heights.
Before you choose
For a body-height limit of twelve inches, Opus clears the threshold and Breville does not. Working clearance still needs checking.
What this is based on
(15.3 - 10.5) / 15.3 × 100 = 31.4%. 10.5 is below twelve and 15.3 is above it. These are body heights, not complete filling envelopes.
Main trade-off
Espresso grounds pass through a catch-cup transfer rather than Breville's supplied cradle workflow.
Main trade-off
Its 15.3-inch body needs 4.8 inches more vertical space.


The pictured portafilter is not included. Compatible 50 to 54 mm or 58 mm cradle required. Shots and cups remain timed.
Compare Fellow Opus 2 and Smart Grinder Pro for low cabinet clearance, single dosing, direct portafilter grinding and stepped or stepless controls.
Choose Opus 2 for a shorter single-dose grinder with stepless adjustment and automatic stopping. Choose Smart Grinder Pro for timed cup or shot selection and included direct-portafilter cradles. Opus is 4.8 inches shorter by the published body heights.
Winner by situation
Opus is 10.5 inches high. Breville is 15.3 inches. Allow additional loading access for Opus.
Breville includes a cradle. Opus supplies a catch for transferring grounds.
Opus is explicitly built around a single-dose bin and automatic stop. Breville's timed routine may need checking after changes.
Smart Grinder Pro explicitly offers that interface.
Neither reviewed model provides grind-by-weight dosing.
What matters in practice
For a body-height limit of twelve inches, Opus clears the threshold and Breville does not. Working clearance still needs checking.
(15.3 - 10.5) / 15.3 × 100 = 31.4%. 10.5 is below twelve and 15.3 is above it. These are body heights, not complete filling envelopes.
Both have supplied equipment for that basket size. The decision is whether you want to transfer from a catch cup or grind while the portafilter rests in a cradle.
Fellow specifies a 54/58 mm espresso catch. Breville supplies a 50-54 mm cradle and a separate 58 mm cradle.
A nominal 18 g dose sits 12 g below the espresso catch's 30 g stated capacity. That margin does not turn the grinder into automatic weight dosing.
30 - 18 = 12 g. Opus has automatic stopping, while the user still determines the mass loaded. Breville's timer also does not measure delivered grams.

Fellow, 1222MB-NA
A compact second-generation all-rounder with stepless control, an ionizer and two magnetic cups sized for filter and espresso routines.

The pictured portafilter is not included. Compatible 50 to 54 mm or 58 mm cradle required. Shots and cups remain timed.
Breville, BCG820BSSXL
A feature-rich hopper grinder with a clear screen, flexible dose timing and cradles for common home portafilter sizes.
Meaningful differences
| What changes | Fellow Opus 2 Conical Burr Grinder | Breville Smart Grinder Pro | Why it matters |
|---|---|---|---|
| Published body height | 10.5 inches | 15.3 inches | Opus is shorter, but lid removal and filling still need extra access. |
| Adjustment method | Stepless side dial | 60 positions | The control methods differ without proving a difference in grind quality. |
| Dose workflow | 100 g single-dose load bin with automatic stop | Programmable timer in 0.2-second steps | Opus emphasizes loading a measured dose, while Breville emphasizes timed delivery. |
| Espresso transfer equipment | 30 g catch compatible with 54 mm and 58 mm portafilters | Direct-grinding 50-54 mm and 58 mm cradles | Both support common espresso sizes through different handling steps. |
| Brew-method scope | Espresso through coarse brewing | Espresso through French press | Neither requires a separate filter-only grinder simply because you change brew methods. |
What you give up
Recommendation switch
Choose Fellow Opus 2 Conical Burr Grinder. Opus is 10.5 inches high.
Choose Breville Smart Grinder Pro. Breville lists cradles for 50-54 mm and 58 mm.
Choose neither. Neither reviewed specification establishes it.
What matters in practice
The 4.8-inch height gap can settle a cramped coffee station quickly. A body fitting below a shelf is only the first check. Leave room to remove the lid and pour beans safely, or plan to slide the grinder forward. Do not substitute the published body height for required daily access.
Opus sends grounds into a magnetic catch, including an espresso catch for transfer. Breville provides portafilter cradles for direct grinding. Neither arrangement is universally cleaner or better. The practical choice is whether you want another transfer step or prefer the basket supported beneath the grinder.
Automatic stop on Opus ends the single-dose run, while Breville stops after the programmed time. Neither describes measuring the grounds in grams. Weigh the beans before loading Opus and verify the result when precision matters. With Breville, check the timed output again when the coffee or grind setting changes.
What the facts say
Useful conclusions from the current premium coffee grinders comparison, followed by the checked facts used to reach them.
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| Fellow Opus 2 Conical Burr Grinder |
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| Breville Smart Grinder Pro |
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Ready to choose?
Open either model on Amazon to check the current price, customer reviews and delivery options.

The grinder body must stay below twelve inches
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The pictured portafilter is not included. Compatible 50 to 54 mm or 58 mm cradle required. Shots and cups remain timed.
You want timed dosing with cup or shot selection
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