Our Verdict
Gaggia RI9380/46 E24 Espresso Machine Wins

This model offers identical core espresso-making capabilities with its 9-bar pump pressure and 58mm portafilter, but at a more accessible price point of $452.44 compared to the RI9380/51's $529.99. Furthermore, its generous 70 oz water reservoir reduces refill frequency, enhancing convenience without compromising quality. The Gaggia RI9380/51 Classic Evo Pro could be a better pick for those prioritizing a specific "Industrial Grey" aesthetic or if a demonstrably smaller footprint (implied by "Small" in the name, but not specified) is crucial for extremely limited counter space, justifying its higher cost.
Bottom Line: Gaggia RI9380/46 E24 Espresso Machine is the better choice. This model offers identical core espresso-making capabilities with its 9-bar pump pressure and 58mm portafilter, but at a more accessible price point of $452.
In-Depth Analysis
How they compare in practice
The Gaggia RI9380/46 E24 and the Gaggia RI9380/51 Classic Evo Pro represent two very similar entry-level semi-automatic espresso machines, both delivering on essential features for quality home brewing. At their core, both machines boast a robust 9-bar pump pressure, crucial for optimal espresso extraction that produces a rich crema. They also share the industry-standard 58mm portafilter size, which means home baristas gain access to a wide array of aftermarket accessories and an experience closer to commercial machines. Furthermore, both feature a durable solid steel housing and a commercial three-way solenoid valve, ensuring longevity and dry pucks for easier clean-up.
However, the primary difference emerges in their value proposition and specified features. The Gaggia RI9380/46 E24 stands out with a more attractive price of $452.44, significantly less than the RI9380/51 Classic Evo Pro's $529.99. For this lower cost, the E24 explicitly offers a substantial 70.0894 oz water reservoir, greatly reducing the frequency of refills during daily use or when entertaining. In contrast, the RI9380/51 doesn't specify its reservoir size, and its "Small" designation in the name, while potentially implying a more compact design, lacks concrete dimensions to verify this as a distinct advantage over the E24's 8.0" depth, 9.5" width, 14.2" height.
Both machines utilize a single boiler system, a common characteristic at this price point. This means users will experience a necessary wait time when switching between brewing espresso and steaming milk. The boiler needs to heat up to a higher temperature for steaming, then cool down for subsequent brewing, impacting workflow for milk-based drinks. This is a shared trade-off, not a differentiator.
Ultimately, the Gaggia RI9380/46 E24 presents a stronger overall value. It provides the same fundamental high-quality espresso experience, robust build, and commercial features as the RI9380/51, but at a lower price and with the clear benefit of a large water tank. The RI9380/51's appeal might be limited to those specifically seeking its "Industrial Grey" finish or who have critically constrained counter space and are banking on a significantly smaller, unlisted footprint to justify its higher cost. For most, the E24 offers a more compelling package.
Which to Pick for Your Situation
Concrete scenarios with a clear recommendation
For the budget-conscious barista
GaggiaAt $452.44, the Gaggia RI9380/46 E24 provides identical core espresso quality (9-bar pressure, 58mm portafilter) to its pricier counterpart, offering excellent value.
For frequent daily espresso drinkers
GaggiaThe Gaggia RI9380/46 E24 features a large 70.0894 oz water reservoir, minimizing the need for frequent refills during busy mornings.
For small kitchens with limited counter space
TieWhile the RI9380/51's "Small" designation hints at a compact design, neither product provides a clear advantage in specific dimensions over the other, requiring users to verify.
For espresso enthusiasts who enjoy milk-based drinks
TieBoth machines utilize a single boiler system, meaning users must wait for temperature changes when switching between brewing espresso and steaming milk.
Who Should Buy Which?
Find the right product for your needs
Buy Gaggia if...
Gaggia RI9380/46 E24 Espresso
The Gaggia RI9380/46 E24 Espresso Machine is an excellent choice for the aspiring home barista who prioritizes consistent, quality espresso at a very competitive price. This buyer values foundational espresso features without needing to splurge on advanced dual-boiler systems. They appreciate the solid build quality of a stainless steel housing and the professional feel of a 58mm portafilter, allowing them to experiment with various grind sizes and tamping techniques to perfect their shots. With a budget around $450-$500, they are looking for robust performance and durability. This ideal user likely makes several espressos a day or enjoys entertaining, benefiting significantly from the machine's generous 70.0894 oz water reservoir, which minimizes constant refilling. While they enjoy milk-based drinks, they are patient and understand the single boiler design means waiting a moment for the machine to switch between brewing and steaming temperatures—a minor trade-off for the machine's overall value. They're willing to invest in a separate quality grinder to pair with this machine, knowing that fresh grounds are paramount to excellent espresso. They're not swayed by minor aesthetic variations or the "Pro" designation of pricier models, focusing instead on tangible specs like the 9-bar pump pressure and large reservoir that directly impact their daily coffee ritual.
Buy Gaggia if...
Gaggia RI9380/51 Classic Evo
The Gaggia RI9380/51 Classic Evo Pro Espresso Machine is best suited for a buyer who appreciates a specific aesthetic or, crucially, requires a potentially more compact machine, despite the lack of explicit dimension details. This user is prepared to spend slightly more, around $530, for a machine that delivers the essential Gaggia experience: reliable 9-bar pump pressure and a professional 58mm portafilter for high-quality espresso. They are likely drawn to its "Industrial Grey" finish, seeking a particular look that complements their kitchen decor, and are willing to pay a premium for that design preference. This buyer might have exceptionally tight counter space, hoping the "Small" in the product name translates to a significantly smaller footprint than other semi-automatic machines, even if specific measurements are not provided. They are making an educated guess or have seen it in person. Like the E24 user, they understand the limitations of a single boiler system, accepting the need to wait between brewing and steaming for their occasional latte or cappuccino. They are not necessarily looking for the absolute lowest price point, but rather a specific combination of Gaggia's proven espresso capabilities and an aesthetic or size advantage that justifies the higher cost over comparable models like the RI9380/46 E24. They value the "Classic Evo Pro" branding as a mark of refined quality within the Gaggia lineup.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $452 | $530 |
| Rating | 4.2(3.0k) | 4.1(3.0k) |
| Boiler Type | single | Single |
| Pump Pressure Bars | 9 | 9 |
| Portafilter Size mm | 58 | 58 |
| Steam Wand | Yes | Yes |
| Weight | 20 lbs | — |
| Grinder Included | No | — |
| Dimensions | 9.5" × 14.2" × 8" | — |
| Water Reservoir oz | 70.09 | — |
| Model Number | — | RI9380/51 |
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Pros & Cons
Quick overview of strengths and weaknesses
Gaggia RI9380/46 E24
- 9 bar pump pressure for optimal espresso extraction
- 58mm portafilter matches commercial standards
- Three-way solenoid valve for dry pucks
- Solid steel housing ensures durability
- Single boiler limits simultaneous brewing and steaming
- No integrated grinder requires separate purchase
Gaggia RI9380/51 Classic
- Consistent 9-bar extraction pressure.
- Durable solid steel housing.
- Standard 58mm commercial portafilter.
- Commercial three-way valve dries puck.
- Single boiler prevents simultaneous brew/steam.
- Warm-up time required for temperature changes.
Frequently Asked Questions
Common questions about this comparison
Do these machines come with an integrated grinder?
No, neither the Gaggia RI9380/46 E24 nor the RI9380/51 Classic Evo Pro include an integrated coffee grinder. You will need to purchase a separate grinder for fresh espresso grounds.
Can I brew espresso and steam milk simultaneously?
No, both models feature a single boiler. This means you must wait for the boiler to heat up for steaming and then cool down for brewing, preventing simultaneous operation.
What size portafilter do these Gaggia machines use?
Both Gaggia espresso machines are equipped with a commercial-standard 58mm portafilter. This allows for excellent extraction and compatibility with many aftermarket barista tools.
How much water do their reservoirs hold?
The Gaggia RI9380/46 E24 has a substantial 70.0894 oz water reservoir. The reservoir capacity for the RI9380/51 Classic Evo Pro is not specified in its provided details.
What is the pump pressure for these machines?
Both Gaggia RI9380/46 E24 and RI9380/51 Classic Evo Pro machines feature a 9.0-bar pump pressure, which is ideal for achieving optimal espresso extraction.
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