La Spaziale S1 Mini Vivaldi II vs Slayer Steam Single

Technical comparison · Dual boiler

In brief

S1 Mini Vivaldi II is ahead on water tank capacity; beyond that the two differ in pump type, which is a design choice rather than a ranking. On the category's technical index, Steam Single ranks #15 of 33, S1 Mini Vivaldi II #24.

Parameter
La Spaziale S1 Mini Vivaldi II S1 Mini Vivaldi II La Spaziale F4 · Semi-professional
Slayer Steam Single Steam Single Slayer F5 · Professional
Identity
Launch year 2024
Use tier F4 — Semi-professional F5 — Professional
Price
Price (€) ~1000–2200 € ~5000–11000 €
Price updated on 09/2026 09/2026
Universal specs
Dimensions (W×D×H) (cm) 41.5 × 41.5 × 38.5 cm 45.7 × 57.1 × 36.8 cm
Weight (kg) 28 kg 38 kg
Power (W) 1500 W
Category specs
Boiler architecture Dual boiler Dual boiler
Portafilter diameter (mm) 53 mm mm
PID control Yes
Pump type Vibration Rotary
Pre-infusion Programmable
3-way solenoid valve Yes
Group head type Proprietary
Water tank capacity (l) 3 l 2.5 l
Steam wand Manual steam wand
Plumbable Yes
Pressure gauge Yes
Flow control Yes

The differences that matter

  • Water tank capacity: S1 Mini Vivaldi II 3 l vs Steam Single 2.5 l — S1 Mini Vivaldi II wins (+20%)
  • Pump type: S1 Mini Vivaldi II Vibration · Steam Single Rotary

Which one to choose

Choose S1 Mini Vivaldi II if…

you value water tank capacity.

See the S1 Mini Vivaldi II sheet →

Questo confronto rimanda alle due schede, dove trovi i dati completi e i link ufficiali.