# Smart Grinder Pro vs C40 MK4 Nitro Blade: specs and price compared

A sourced, side-by-side comparison of the Smart Grinder Pro (Breville) and C40 MK4 Nitro Blade (Comandante) among coffee grinders. Smart Grinder Pro is the cheaper of the two at $199.95.

## Side by side

| Spec | Smart Grinder Pro | C40 MK4 Nitro Blade |
| --- | --- | --- |
| US price | $199.95 | $325 |
| Brand | Breville | Comandante |
| Released | 2014 | 2021 |
| Type | electric | manual |
| Burr type | conical | conical |
| Burr size (mm) | 40 | 39 |
| Grind settings | 60 stepped | ~40 clicks per rotation |
| Hopper capacity (g) | 454 | 40 |
| Best for | all | all |
| Weight (lb) | 6.4 | 1.63 |

## Key differences

- Type: Smart Grinder Pro electric vs C40 MK4 Nitro Blade manual
- Burr size (mm): Smart Grinder Pro 40 vs C40 MK4 Nitro Blade 39
- Grind settings: Smart Grinder Pro 60 stepped vs C40 MK4 Nitro Blade ~40 clicks per rotation
- Hopper capacity (g): Smart Grinder Pro 454 vs C40 MK4 Nitro Blade 40
- Weight (lb): Smart Grinder Pro 6.4 vs C40 MK4 Nitro Blade 1.63

## What reviewers say

**Smart Grinder Pro** — One whitelisted source survived verification: NYT Wirecutter's 'Best Coffee Grinder' guide (updated 2026-01-14). It evaluated the Breville Smart Grinder Pro hands-on as a competition-section entry and dismissed it, citing a complicated digital interface, an overwhelming abundance of settings, and too many fines in the grounds. No measured or lab metrics were captured. This is a single-source, entirely negative verdict. (1 sourced review.)

**C40 MK4 Nitro Blade** — Only one whitelisted hands-on reviewer survived verification: Tom's Guide, which lab-measured grind uniformity (Kruve sieves), retention (scale, before/after) and grind speed, and named the Comandante C40 MK4 Editor's Choice. Every quote and measured value in this entry was confirmed verbatim against the fetched article. Verdict: best-in-class hand grinder for consistency and low retention, but slow to crank at fine settings and very expensive. (1 sourced review.)

## Sources

- Smart Grinder Pro: https://www.breville.com/en-us/product/bcg820 (breville.com, verified 2026-06-19)
- C40 MK4 Nitro Blade: https://prima-coffee.com/equipment/comandante/c40-mk4-coman-pp (prima-coffee.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/coffee-grinders/breville-smart-grinder-pro-vs-comandante-c40-mk4/
Cite: Per The Front Desk Review, Smart Grinder Pro ($199.95) vs C40 MK4 Nitro Blade ($325) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/coffee-grinders/breville-smart-grinder-pro-vs-comandante-c40-mk4/
License: CC BY 4.0.