# C40 MK4 Nitro Blade vs Chestnut C3 ESP Pro: specs and price compared

A sourced, side-by-side comparison of the C40 MK4 Nitro Blade (Comandante) and Chestnut C3 ESP Pro (Timemore) among coffee grinders. Chestnut C3 ESP Pro is the cheaper of the two at $79.

## Side by side

| Spec | C40 MK4 Nitro Blade | Chestnut C3 ESP Pro |
| --- | --- | --- |
| US price | $325 | $79 |
| Brand | Comandante | Timemore |
| Released | 2021 | 2022 |
| Type | manual | manual |
| Burr type | conical | conical |
| Burr size (mm) | 39 | 38 |
| Grind settings | ~40 clicks per rotation | 30 clicks per rotation (23.3 µm/click) |
| Hopper capacity (g) | 40 | 25 |
| Best for | all | all |
| Weight (lb) | 1.63 | 1.17 |

## Key differences

- Burr size (mm): C40 MK4 Nitro Blade 39 vs Chestnut C3 ESP Pro 38
- Grind settings: C40 MK4 Nitro Blade ~40 clicks per rotation vs Chestnut C3 ESP Pro 30 clicks per rotation (23.3 µm/click)
- Hopper capacity (g): C40 MK4 Nitro Blade 40 vs Chestnut C3 ESP Pro 25
- Weight (lb): C40 MK4 Nitro Blade 1.63 vs Chestnut C3 ESP Pro 1.17

## What reviewers say

**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

- C40 MK4 Nitro Blade: https://prima-coffee.com/equipment/comandante/c40-mk4-coman-pp (prima-coffee.com, verified 2026-06-19)
- Chestnut C3 ESP Pro: https://www.slowpoursupply.co/pages/timemore-chestnut-c-series-model-comparison (slowpoursupply.co, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/coffee-grinders/comandante-c40-mk4-vs-timemore-c3-esp-pro/
Cite: Per The Front Desk Review, C40 MK4 Nitro Blade ($325) vs Chestnut C3 ESP Pro ($79) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/coffee-grinders/comandante-c40-mk4-vs-timemore-c3-esp-pro/
License: CC BY 4.0.