Arabica and Robusta: What Do They Have in Common — and How Do They Differ?
Most of us who start the day with a cup of coffee (or two) have heard the familiar claim: your brew is either made from 100% Arabica, an Arabica–Robusta blend, or—more rarely—100% Robusta for those who enjoy bold, intense flavors.
But what actually sets these beans apart? And beyond these two famous varieties, are there other coffee beans worth knowing about?
Arabica: the refined classic
Arabica makes up around 62% of global coffee production and is typically grown at higher altitudes. Cooler, slightly humid and shaded areas—often 1,000 meters above sea level and higher—create the right conditions for Arabica to develop its well-known complexity. The trade-off is that cultivating coffee in these environments is more demanding than growing it in lowland tropical regions.
That’s one reason why origins like Ethiopia, Colombia, and Central America are considered some of the best sources of Arabica: geography and climate work in their favor.
In the cup, Arabica is usually recognized by its brighter acidity and layered flavor profile—often with notes of fruit, berries, and sometimes even honey-like tones. It also contains nearly twice less caffeine than Robusta, which helps explain Arabica’s smoother, more “velvety” character.
Because of its elegance and complexity, Arabica is typically priced higher than Robusta. At the same time, it can taste dramatically different depending on its origin and growing conditions.
Robusta: the strong and energizing choice
If Arabica is subtle, Robusta is power. It’s generally grown in lowland regions and thrives in hot tropical climates, where it’s easier to cultivate.
Robusta contains about twice as much caffeine as Arabica—one of the main reasons it delivers that strong wake-up kick many people associate with coffee. It also tends to bring a touch more bitterness and intensity.
Flavor-wise, Robusta usually has low acidity, with more earthy, woody notes coming through. Since it’s simpler to grow and more resilient, it’s also more affordable and widely available. Key exporters include Vietnam, India, and Indonesia.
Roasted Arabica bean (left) compared to Robusta bean (right)
Beyond Arabica and Robusta: lesser-known beans
Arabica and Robusta dominate the market, but they aren’t alone. Varieties like Liberica and Excelsa exist too—together making up only about 1% of the global coffee market. Still, interest in these beans has been growing, and it wouldn’t be surprising to see them become more common on specialty menus in the future.
If you’d like to taste the difference between 100% Arabica and Arabica–Robusta blends, take a look at our online shop and explore the Cafés Richard coffee collection in Georgia.
