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Acaia Orbit vs Eureka Mignon Libra

Price, size, power, and main downside for 2 espresso grinders, taken from the same checked records as each product page. Where a source is unclear, the table says so.

Comparison table

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Product details from our records. Prices are dated checks, not live quotes.
Acaia OrbitEureka Mignon Libra
Good forWeigh beans for one drink or adjustable speed from 600 to 1500 RPM.Weigh servings in the grinder or grind into the portafilter.
Main downsideWeighing each serving needs a separate Acaia Lunar scale. The grinder alone does not weigh each serving.The included funnel fits a 58 mm basket; smaller baskets need another funnel.
Check firstAOT009 Black with Mazzer 33M burrs was out of stock on October 20, 2026. Other finish and burr variants had different prices and availability.The $699 snapshot applies to the in-stock Ferrari Red variant. Other finishes ranged from $649 to $749, with higher compare prices.
Stored size4.25 W × 10.47 D × 15.51 H in (10.8 × 26.6 × 39.4 cm, converted)4.88 W × 7.56 D × 15.35 H in (12.4 × 19.2 × 39 cm, converted)
Voltage100–240V / 50–60Hz / 200W110V U.S. listing, 310W manufacturer specification
Warranty2 years in the U.S.1 year via authorized retailer
Burrs64mm Mazzer 33M flat55mm flat hardened steel
AdjustmentWide stepless collar; 600–1500 RPMStepless micrometric
Daily routineWeigh beans for each drink.Keep beans in the hopper.
Portafilters58mm51mm, 53mm, 54mm, 58mm
Where to buySearch Amazon for Acaia Orbit Affiliate link. Search results, not a verified product listing. Check the exact model and U.S. version. Catalog prices are not Amazon quotes.(opens in a new tab)Full product record →Search Amazon for Eureka Mignon Libra Affiliate link. Search results, not a verified product listing. Check the exact model and U.S. version. Catalog prices are not Amazon quotes.(opens in a new tab)Full product record →

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