The Mahlkönig E64 WS and Eureka Libra 65 All Purpose both dose by weight, but differ significantly in their intended use and control concept.
What they have in common
You set a target weight and grind directly into the portafilter. This reduces dose fluctuations and is extremely convenient when using a consistent house bean.
Eureka Libra 65 AP: straightforward GbW workflow
The Libra 65 AP focuses on weight-based dosing and a wide range of applications. It is appealing to users who want fewer software-related issues and straightforward everyday convenience.
E64 WS: more digital functionality
The E64 WS combines weight-based dosing with electronic grind adjustment and Sync. This allows it to be integrated more extensively into an automated recipe workflow.
What about the price?
The Libra is significantly cheaper. If you do not use Sync and electronic grind adjustment, it offers a great deal of convenience for the money. If you specifically want these features, you will find them in the E64 WS.
Which one is for whom?
Libra 65 AP for simple, robust grind-by-weight everyday use. E64 WS for home baristas who see their grinder as part of a connected system.
Conclusion
Both are strong hopper-based solutions. The E64 WS’s higher price mainly makes sense if you actually intend to use its digital features.
View Eureka Libra 65 AP or E64 WS.
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