Breville Dual Boiler vs De'Longhi La Specialista Maestro EC9665
The Maestro ($999) is a capable all-in-one with auto-tamping and automatic milk; the Dual Boiler ($1,499) is a purer prosumer machine that beats it on thermal precision and workflow speed once you add a grinder. Buy the Maestro if convenience and a complete out-of-box setup matter most. Buy the Dual Boiler if extraction quality and simultaneous brew-and-steam are your priorities.
Spec face-off
Bars scaled to the higher value. Coloured = wins that spec.
Full specifications
Strengths & weaknesses
Full comparison
The Maestro and the Dual Boiler are genuinely competing options for the $1,000-1,500 buyer, and the choice hinges on automation preferences. The Maestro includes a sensor-based conical grinder with auto-adjusting grind time, a smart tamping station that automates tamping pressure, and a LatteCrema automatic milk system. It handles the three most skill-dependent steps for you. The Dual Boiler does none of these things automatically, but it does them better when you do them yourself.
The Maestro's 51mm portafilter is a real limitation. It caps espresso volume per shot and restricts you to a narrower basket and accessory ecosystem. Its single-boiler design means no simultaneous brew-and-steam, so each milk drink requires a wait cycle. The auto-tamping and sensor grinder reduce beginner errors effectively, but the grinder's limited settings frustrate users who want precise dial-in control.
The Dual Boiler's triple PID holds temperatures that the Maestro's single boiler cannot match. Simultaneous brew-and-steam with zero recovery lag is a categorical workflow advantage for anyone making multiple lattes per session. Programmable pre-infusion gives dial-in options that the Maestro's dynamic pre-infusion handles automatically but less transparently.
The $500 price gap after adding a grinder to the Dual Boiler narrows the real cost difference. If you want automation and a fully self-contained setup at $999, the Maestro delivers it. If you are willing to invest in a separate grinder and want a machine with a higher performance ceiling and better long-term workflow, the Dual Boiler is the better buy.