Compare Grinders


	Lucca	Eureka
MSRP
MSRP	$580	$799
Skill Level
Skill Level	Intermediate	Intermediate
Type
Type	Electric	Electric
Activation
Activation	Button	Button
Grind Method
Grind Method	Flat Burr	Flat Burr
Burr Diameter
Burr Diameter	64 mm	55 mm
Adjustment
Adjustment	Stepless	Stepless
Adjustment Scale
Adjustment Scale	1 micron	1 micron
Dosing Method
Dosing Method	On/Off Button	Grind by Weight
Dosing Type
Dosing Type	Single Dose	Hopper
Retention
Retention	< .2 g	1 - 1.5 g
Grind Range
Grind Range	Full - Pour Over to Espresso	Espresso
Time to Grind (18g)
Time to Grind (18g)	12	11
Motor RPM
Motor RPM	800 rpm	1350 rpm
Swappable Burrset
Swappable Burrset	Yes	No
Adjustable RPM
Adjustable RPM	No	No
Weight
Weight	6.8 kg	6.5 kg
Material
Material	Aluminum	Black Aluminum
Dosing Cup
Dosing Cup	Metal Dosing Cup, Metal Dosing Funnel	No Information

EspressoBot Comparison

Machine Overview

The Eureka Mignon Libra and Lucca DF64 both cater to intermediate skill levels and are classified as semi-automatic grinders. The Mignon Libra is priced at $799, while the DF64 is more affordable at $580. Both brands hold a reputable standing in the coffee grinder market, appealing to enthusiasts and baristas alike. The difference in pricing may influence the decision based on budget considerations.

Brewing Comparison

In terms of grinding information, both grinders use flat burrs made of stainless steel. The Mignon Libra features a 55mm burr diameter, and offers stepless adjustment with a grind range specifically for espresso. Conversely, the DF64 boasts a larger 64mm burr diameter and also utilizes stepless adjustment, but has a broader grind range that supports both pour-over and espresso styles. The Mignon Libra employs a hopper-type system for primary dosing (grind by weight), while the DF64 uses a single dose hopper with a primary method of dosing via an on/off button.

Features Comparison

Regarding key features, the Mignon Libra has a fixed RPM of 1350 and does not support adjustable RPM, whereas the DF64 operates at 800 RPM with no adjustable capability as well. The Mignon Libra is built exclusively for espresso, limiting its grind range, while the DF64 accommodates a versatility that spans from brew to espresso, making it suitable

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