Bezzera Duo vs La Spaziale S1 Mini Vivaldi II
Technical comparison · Dual boiler
Duo and S1 Mini Vivaldi II are both dual boilers with different pumps: rotary on the Bezzera, vibration on the La Spaziale. On the counter the choice comes down to tank and footprint: 4 litres against 3, and a lower, shallower machine.
| Parameter |
Duo
Bezzera
F4 · Semi-professional
|
S1 Mini Vivaldi II
La Spaziale
F4 · Semi-professional
|
|---|---|---|
| Identity | ||
| Use tier | F4 — Semi-professional | F4 — Semi-professional |
| Price | ||
| Price (€) | ~2200–5000 € | ~1000–2200 € |
| Price updated on | 09/2026 | 09/2026 |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 32.6 × 47 × 42.5 cm | 41.5 × 41.5 × 38.5 cm |
| Weight (kg) | 31 kg | 28 kg |
| Voltage (V) | 220 V | — |
| Category specs | ||
| Boiler architecture | Dual boiler | Dual boiler |
| Portafilter diameter (mm) | — | 53 mm mm |
| PID control | Yes | — |
| Pump type | Rotary | Vibration |
| Pre-infusion | Programmable | — |
| 3-way solenoid valve | — | Yes |
| Water tank capacity (l) | 4 l | 3 l |
| Steam wand | — | Manual steam wand |
| Plumbable | Yes | — |
| Pressure gauge | — | Yes |
The differences that matter
- Tank: 4 l on the Duo, 3 l on the S1 Mini → one more litre before a refill.
- Height and depth: 42.5 × 47 cm against 38.5 × 41.5 cm → the S1 Mini fits under a lower shelf and on a shallower counter.
- Width: 32.6 cm against 41.5 cm → the Duo leaves more room at the sides.
- Weight: 31 kg against 28 kg → 3 kg less to carry.
Which one to choose
Choose Duo if…
Choose the Duo if you pull many shots in a row, for a family or guests: the 4-litre tank needs refilling less often. The trade-off is height and depth, 42.5 and 47 cm, and 31 kg to move.
Choose S1 Mini Vivaldi II if…
Choose the S1 Mini Vivaldi II if the counter is low or shallow: 38.5 cm high, 41.5 cm deep, 28 kg. You accept a 3-litre tank that needs refilling sooner, and a width of 41.5 cm.
Where to buy
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