De'Longhi PrimaDonna Class ECAM550.65.SB vs Siemens Home Appliances EQ900 iAroma
Technical comparison · Bean-to-cup machines
For a household or office where several people will use the same machine with their own dose and strength settings, the number of user profiles matters more than anything else: 3 on the PrimaDonna Class ECAM550.65.SB, 10 on the EQ900 iAroma. That's the difference that drives the choice between these two closely positioned bean-to-cup machines.
| Parameter |
PrimaDonna Class ECAM550.65.SB
De'Longhi
F2 · Intermediate
|
EQ900 iAroma
Siemens Home Appliances
F3 · Advanced
|
|---|---|---|
| Identity | ||
| Use tier | F2 — Intermediate | F3 — Advanced |
| Price | ||
| Price (€) | 1099.90 € | 1749 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 26 × 47 × 36 cm | 31.5 × 47 × 39.2 cm |
| Weight (kg) | 11 kg | 11.7 kg |
| Power (W) | 1450 W | 1500 W |
| Voltage (V) | 220 V | 220 V |
| Category specs | ||
| Removable brew group | Yes | Yes |
| Milk system | Milk carafe | Milk carafe |
| Dishwasher-safe milk system | Yes | Yes |
| Integrated grinder | Yes | Yes |
| Integrated grinder burr type | Conical | Ceramic |
| Pre-ground bypass | Yes | No |
| Programmed drinks | — | 41 |
| User profiles | 3 | 10 |
| Bean hopper capacity (g) | — | 375 g |
| App connectivity | Yes | Yes |
The differences that matter
- User profiles: 3 on the PrimaDonna Class ECAM550.65.SB, 10 on the EQ900 iAroma → the EQ900 iAroma saves preferences for more people, the PrimaDonna Class ECAM550.65.SB only for a few.
- Pre-ground bypass: only on the PrimaDonna Class ECAM550.65.SB → only this one accepts already-ground coffee without going through the built-in grinder.
Which one to choose
Choose PrimaDonna Class ECAM550.65.SB if…
Choose the PrimaDonna Class ECAM550.65.SB if only a few people — up to 3 — need their own saved settings, and you also want to brew pre-ground coffee, a decaf say, thanks to its bypass funnel. The trade-off is fewer user profiles than the EQ900 iAroma.
Choose EQ900 iAroma if…
Choose the EQ900 iAroma if more people with different tastes will use the machine: user profiles go up to 10, against 3 on the PrimaDonna Class ECAM550.65.SB. In exchange it has no bypass funnel: every cup goes through the built-in ceramic-burr grinder.
Where to buy
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