The Breville Bambino and Barista Express can both produce traditional semi-automatic espresso, but they are designed for very different setups. The Bambino is a compact espresso machine that requires a separate grinder, while the Barista Express combines the grinder and espresso machine into one larger appliance.
Comparison basis: Espresso Index has not personally tested these machines side by side. This comparison is based on Breville’s current published specifications and documentation together with established independent hands-on testing. We focus on meaningful differences rather than declaring a universal winner.
Breville Bambino vs. Barista Express: Quick Comparison
| Feature | Breville Bambino BES450 | Breville Barista Express BES870 |
|---|---|---|
| Machine type | Semi-automatic | Semi-automatic with integrated grinder |
| Integrated grinder | No | Yes |
| Grind settings | Depends on separate grinder | 16 |
| Portafilter | 54 mm | 54 mm stainless steel |
| Recommended dose | 18 g | 18 g |
| Extraction | Low-pressure pre-infusion followed by 9 bar | Low-pressure pre-infusion followed by 9 bar |
| Heating system | ThermoJet | Thermocoil with PID control |
| Heat-up | Approximately 3 seconds | Slower traditional Thermocoil system |
| Pressure gauge | No | Yes |
| Milk system | Manual steam wand | Manual steam wand |
| Hot water | Yes | Dedicated hot-water outlet |
| Width | 6.1 inches | 15.9 inches |
| Best fit | Compact setup or buyers choosing their own grinder | All-in-one espresso and grinder setup |
The Biggest Difference: The Grinder
The most important difference between these machines is simple: the Barista Express includes a grinder and the Bambino does not.
The Barista Express has an integrated conical burr grinder with 16 grind settings. Coffee can be ground directly into the portafilter, allowing the machine to function as a largely self-contained espresso station.
The Bambino requires pre-ground coffee or, preferably, a separate espresso-capable grinder.
That makes the Barista Express more convenient for someone starting without any equipment. The Bambino provides greater flexibility because the grinder can be selected, upgraded or replaced independently.
Espresso Brewing System
The two machines share more of their espresso fundamentals than their size difference might suggest.
Both use a 54 mm portafilter built around an 18 g coffee dose. Breville specifies low-pressure pre-infusion followed by 9-bar extraction from a 15-bar pump for both machines.
Neither machine is intended to eliminate the variables involved in semi-automatic espresso. Grind quality, dose, distribution and tamping still influence the result.
The major difference is how much equipment is included in the machine itself.
ThermoJet vs. Thermocoil Heating
The Bambino uses Breville’s newer ThermoJet heating system and is designed to reach extraction temperature in approximately three seconds.
The Barista Express uses a Thermocoil heating system with electronic PID temperature control. Breville specifies a brewing temperature of 200°F for the Barista Express.
For buyers who regularly make a quick espresso before leaving the house, the Bambino’s rapid startup is a meaningful convenience.
The Barista Express takes a more traditional approach and places greater emphasis on its integrated grinder and hands-on workflow than on near-instant startup.
Pressure Gauge
The Barista Express includes an analog espresso pressure gauge. The Bambino does not.
The gauge provides visual feedback during extraction and can help users understand how changes in grind, dose and puck preparation affect resistance through the coffee.
It does not automatically make better espresso, but it adds another piece of information for someone interested in learning the espresso-making process.
Bambino users instead judge extraction through factors such as shot time, flow, appearance and taste.
Milk Steaming
Both machines use manual steam wands, so neither provides the hands-free automatic milk texturing found on machines such as the Breville Bambino Plus.
With either machine, the user controls the amount of air incorporated into the milk, milk circulation and steaming time.
This gives the user control over milk texture but also introduces a learning curve for anyone new to cappuccinos, flat whites and latte art.
Size and Counter Space
This is one of the clearest differences between the two machines.
Breville currently lists the Bambino at approximately 11.9 × 6.1 × 13.5 inches. Its narrow 6.1-inch width makes it particularly useful for kitchens where counter space is limited.
The Barista Express is approximately 15.9 × 13.1 × 12.4 inches.
That makes the Barista Express considerably wider, but the comparison is not completely straightforward because its footprint also includes the grinder.
A Bambino paired with a separate grinder will require additional counter space somewhere beside it.
Which Setup Is More Flexible?
The Bambino provides greater long-term flexibility.
Because the espresso machine and grinder are separate, a buyer can choose a grinder based on budget and performance requirements and upgrade it later without replacing the espresso machine.
The Barista Express is simpler as a complete package but ties the grinder and brewer together. If a user eventually wants significantly greater grinder capability, a separate grinder may still be added, leaving the built-in grinder unused.
Which Is Easier for a Beginner?
That depends on what the beginner considers easier.
The Barista Express simplifies purchasing because the grinder is already included. A new user can buy one machine and have the essential equipment required to grind beans and prepare espresso.
The Bambino requires an additional grinder decision, but the machine itself has a simpler layout and very fast startup.
Neither is a one-touch automatic espresso machine. Both still require the user to learn basic grinding, dosing, tamping and milk-steaming technique.
Who Should Choose the Breville Bambino?
- Buyers who already own a capable espresso grinder
- People who want to select their grinder separately
- Users with limited counter space
- People who value very fast startup
- Buyers who want the option to upgrade the grinder independently
- Users who prefer a simpler, compact espresso machine
Who Should Choose the Barista Express?
- Buyers starting without an espresso grinder
- People who prefer an integrated all-in-one setup
- Users who want an extraction pressure gauge
- People who enjoy a more traditional hands-on espresso workflow
- Buyers who want grinder and brewer controls in one appliance
- Users who have enough counter space for the larger machine
Bambino Advantages
- Much narrower machine
- Approximately three-second ThermoJet heat-up
- Freedom to choose a separate grinder
- Easier grinder upgrades later
- Good fit for kitchens with limited space
Barista Express Advantages
- Integrated conical burr grinder
- 16 grinder settings
- Analog extraction pressure gauge
- Integrated grind and dose workflow
- Dedicated hot-water outlet
- One-machine setup for buyers starting from scratch
Breville Bambino Product Review
For a closer look at the smaller machine, read our Breville Bambino BES450 Product Review.
Breville Barista Express Product Review
For a detailed examination of the integrated grinder, pressure gauge, heating system and workflow, read our Breville Barista Express BES870 Product Review.
Product Comparison Conclusion
There is no universal winner between the Breville Bambino and Barista Express because they solve different problems.
The Bambino is the stronger fit for buyers who want a compact machine, rapid startup and the flexibility to choose their grinder separately.
The Barista Express is the stronger fit for buyers who want an integrated grinder, pressure gauge and a more complete espresso setup in a single appliance.
The choice therefore depends less on which machine has the longer feature list and more on whether the buyer prefers a modular espresso setup or an integrated one.
Sources and methodology: This research-based comparison uses current Breville product specifications and documentation together with published independent hands-on testing. Espresso Index has not personally tested these machines side by side. Specifications can change, so key details are periodically rechecked.



