Stainless SteelRancilio / Espresso machine
Silvia
Thermostat control · single boiler
Model comparison / US catalog
Compare a thermostat-controlled single boiler with separate PID-controlled brew and steam boilers.
Stainless SteelRancilio / Espresso machine
Thermostat control · single boiler
Consider Silvia if you want direct controls and are comfortable making espresso and milk in sequence.
Stainless SteelRancilio / Espresso machine
Dual boilers · independent PID control
Consider Silvia Pro X if overlapping brewing and steaming and adjustable temperature controls matter to your routine.
Standard Silvia uses one thermostat-controlled boiler. Silvia Pro X has separate brew and steam boilers, each with PID control, and supports brewing and steaming together. That is a concrete distinction when preparing milk drinks for several people; it is not merely a change to the display.
Both require a separate grinder and manual milk texturing. Choosing Pro X does not automate puck preparation or make the wand an automatic frother. Decide whether concurrent operation solves a recurring inconvenience before comparing the rest of the controls.
SCG also offers a Silvia with an added Auber PID controller. That conversion remains a single-boiler machine; it is not the Silvia Pro X. Check which configuration a retailer is quoting and who supports the added controller.
Pro X’s documented features include soft infusion, a shot timer and a dedicated hot-water outlet. Consider whether you would use them, then compare installation space and care requirements. A shared 58 mm diameter does not prove universal accessory fit, and this document comparison does not establish a flavor or longevity ranking.
| Specification | Silvia | Silvia Pro X |
|---|---|---|
| Heating system | Single boilerSource ↗ | Dual boilerSource ↗ |
| Integrated grinder | NoSource ↗ | NoSource ↗ |
| Milk workflow | Manual steam wandSource ↗ | Manual steam wandSource ↗ |
| Brew & steam together | NoSource ↗ | YesSource ↗ |
| Portafilter diameter | 58 mmSource ↗ | 58 mmSource ↗ |
| Water reservoir | 2 LSource ↗ | 2 LSource ↗ |
| Width | 235 mmSource ↗ | 250 mmSource ↗ |
| Depth | 290 mmSource ↗ | 420 mmSource ↗ |
| Height | 340 mmSource ↗ | 390 mmSource ↗ |
| US supply voltage | 120 VSource ↗ | 120 VSource ↗ |
Not verified means the evidence is incomplete, not that the feature is absent. Prices and retailer configurations remain on the individual product pages.
Editorial comparison updated November 8, 2026. Individual source-check dates and configuration notes are shown in each product profile.