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Comandante C40 MK4 Nitro Blade edges out TIMEMORE Chestnut C3s, 8.5 to 8.2. It wins on performance, build & reliability, community love, while the Chestnut C3s is stronger on ease of use and value.

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Every detail, compared.

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Coffee Reviews score
8.5Great
8.2Great
Performance30% of score
9.0
7.8
Build & reliability20% of score
9.4
8.2
Ease of use15% of score
7.5
7.8
Value20% of score
7.2
9.1
Community love15% of score
9.2
8.0
Community
No ratings yet
No ratings yet
Typical price
$329
$89.00
Type
Manual conical burr grinder
Manual conical burr grinder
Burr
Nitro Blade conical burr with 'floating cone' design
38 mm stainless steel, CNC-cut
Burr steel
Nitro Rex high-nitrogen stainless steel (over 17% chromium, with vanadium and molybdenum)
Dual-bearing burr stabilization
Grind adjustment
Clicks counted from zero via a 3-pointed dial under the jar
All-metal unibody from a single piece of aluminum alloy
Suggested settings
7–13 clicks espresso, 14–20 moka pot, 18–35 pour-over, 25–35 French press
0 to 90 clicks (classic grind dial)
Warranty
No fixed term published; Comandante offers spare parts and a repair service via dealers
Limited warranty for the original purchaser in the US and Canada (term not stated on the brand site)
Brew methods
Pour-over, AeroPress, French press, Moka pot, Espresso
Pour-over, AeroPress, French press, Moka pot, Espresso
Certifications
—
—
Video reviews
Best for
  • • Pour-over enthusiasts who want a buy-it-for-life hand grinder
  • • Travel and outdoor brewing with no power
  • • Following online recipes written in Comandante clicks
  • • A first quality hand grinder on a tight budget
  • • Pour-over and AeroPress brewers who travel
  • • Backup or office grinder
Strengths
  • Exceptionally consistent grind with low retention and clumping
  • Nitro Blade burrs in corrosion-resistant high-nitrogen steel
  • Made in Germany with spare parts and repair service
  • All-metal aluminum body and 38 mm stainless S2C burrs for $89
  • Clear, well-rounded filter cups for the price
  • Compact and light enough for travel
Watch-outs
  • Slow: about 50 seconds for 20 g in The Coffee Chronicler's test
  • No dial readout; you count clicks from zero each time
  • Coarse steps (about 83 microns per click) make espresso hard to dial
  • Internal dial is less convenient than an external adjuster

FAQ

Quick answers.

Which is better, C40 MK4 Nitro Blade or Chestnut C3s?

Comandante C40 MK4 Nitro Blade edges out TIMEMORE Chestnut C3s, 8.5 to 8.2. It wins on performance, build & reliability, community love, while the Chestnut C3s is stronger on ease of use and value.

Which costs less per unit?

Comandante C40 MK4 Nitro Blade works out to about $329 and TIMEMORE Chestnut C3s to about $89.00, based on typical retail prices when we last checked.

How do you score them?

Both are scored on the same five-factor rubric — weighted for flavor or performance, quality, value, sourcing or build, and community sentiment — using public specs, verified creator reviews and community consensus.