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The Great Coffee Debate: Arabica vs. Robusta

Arabica or Robusta?  You may have heard of these 2 types of beans, but what are they?  What are the differences?  What am I drinking?

Arabica Coffee has been the primary bean sold in the specialty market, so much of what you consume is likely arabica coffee.  But Robusta is making a comeback effort to earn its recognition!

These two coffee bean varieties dominate the market, each boasting unique characteristics that cater to different tastes and preferences. In this blog post, we'll explore the key differences between Arabica and Robusta coffee beans, and give you perhaps one more part of coffee to explore.

Origins and Cultivation

Arabica Coffee Beans

Arabica beans, scientifically known as Coffea arabica, originate from the highlands of Ethiopia. Today, they are primarily grown in Latin America, Eastern Africa, and Asia. Arabica plants thrive at higher altitudes, typically between 600 and 2,000 meters above sea level, and require a cooler climate with lots of rain.

Robusta Coffee Beans

Robusta beans, or Coffea canephora, are native to central and western sub-Saharan Africa. They are commonly cultivated in Western and Central Africa, Southeast Asia, and parts of Brazil. Robusta plants are hardier and more resistant to pests and diseases, thriving at lower altitudes of 200 to 800 meters, and can withstand higher temperatures and harsher growing conditions.

Flavor Profile


Arabica beans are well-known for their smooth, complex flavor profile. They tend to have a wide range of taste notes (see this blog post for more information on this!), including fruity, floral, and nutty undertones. The acidity in Arabica beans is higher, which contributes to a bright and flavorful cup of coffee. A well-brewed Arabica coffee might have flavors reminiscent of berries, citrus, and chocolate, making it a favorite among connoisseurs.


Robusta beans offer a stronger, more robust flavor. They are often described as having a more bitter, earthy, and nutty taste, with notes of grain and wood. The bitterness is due to the higher caffeine content in Robusta beans, which is nearly double that of Arabica. This makes Robusta coffee a bolder choice, historically has been used in espresso blends to add a punch of intensity.

Caffeine Content

One of the biggest differences between Arabica and Robusta is the caffeine content. Robusta beans contain about 2.2-2.7% caffeine, compared to Arabica's 1.2-1.5%. The higher caffeine level not only influences the taste but also makes Robusta beans more resilient to pests and diseases, a significant factor in the way they are grown.

Physical Characteristics

he physical difference between an Arabica coffee bean and a Robusta coffee bean

Arabica Beans:

  • Oval shape with a curved crease (the line running down the middle of the bean).

  • Typically larger and less dense.

  • Higher sugar content, which gives them a sweeter taste.

Robusta Beans:

  • Rounder shape with a straight crease.

  • Smaller and denser.

  • Higher chlorogenic acid (a chemical found in coffee and tea) content, which makes them more bitter.

Why Choose Arabica?

Flavor and Quality: If you appreciate a smooth, complex cup of coffee with nuanced flavors, Arabica is your go-to bean. It's ideal for those who enjoy sipping their coffee black.

Specialty Coffee: Arabica beans dominate the specialty coffee market. They are often used in single-origin coffees, which highlight the unique flavors of specific regions and geographies.

Lower Caffeine: For those who are sensitive to caffeine or prefer to enjoy multiple cups without getting jittery, Arabica’s lower caffeine content is better.

Why Choose Robusta?

Bold Flavor: If you prefer a strong, intense coffee experience, Robusta is your best bet. It's perfect for those who like their coffee with milk or sugar, as the robust flavor can cut through these additions.

Espresso Blends: Robusta historically has been used in espresso blends for its ability to add depth and caffeine content to the coffee.

Cost-Effective: Robusta beans are generally cheaper to produce and buy, making them an economical choice for budget-conscious coffee drinkers.

Here at Enderly Coffee, we roast and brew 100% Arabica beans

Here at Enderly, we roast and brew with 100% Arabica beans. Though Robusta beans are making a comeback in specialty coffee, we have not made the jump yet..  If you would like to try a cup of Robusta Coffee from Vietnam, you can find our friends Robusta Coffee here in CLT who pop up around town serving their coffee (and we roast it for them 😀).

Ultimately, however, the choice between Arabica and Robusta comes down to your personal preference and what you want in your coffee experience. Arabica offers a refined, complex flavor profile for those who want to savor every sip, while Robusta provides a bold, powerful kick for those who need a strong start to their day. 

Whether you lean towards the smooth elegance of Arabica or the intense punch of Robusta, there’s a coffee out there that’s perfect for you. Happy brewing!

Have you tried both Arabica and Robusta? Share your thoughts and preferences in the comments below!

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