Introduction
If you’re comparing the Caliburn A3 vs X, you’re likely searching for the perfect pod system that suits your vaping needs. Uwell has established itself as a leader in the pod vape category, offering innovative, reliable, and sleek devices. But how do the Caliburn A3 and Caliburn X stack up against each other?
This comprehensive comparison will help you understand their differences in performance, design, features, and usability. Whether you’re a beginner or a seasoned vaper, this review will clarify which model best fits your lifestyle.
Introduction to Caliburn A3 and Caliburn X
Before diving into the specs, it’s important to understand who these devices are made for. The Caliburn A3 is a sleek, beginner-friendly device with a focus on simplicity and flavor. In contrast, the Caliburn X targets users who want more control and customization.
Both come from the trusted Caliburn series by Uwell, but they cater to different preferences. Let’s explore what sets them apart.
Design and Build Quality
Caliburn A3 – Slim and Minimalistic
The A3 is known for its lightweight aluminum alloy build. It’s extremely pocket-friendly and has a refined, minimal design. Its curved edges and matte finish make it both attractive and comfortable to hold.
Caliburn X – Modern and Feature-Rich
The Caliburn X feels more substantial. It features a larger chassis, an OLED display, and an adjustable airflow slider. These additions make it a bit heavier, but they offer significantly more functionality. If you prefer devices that show more info at a glance, the Caliburn X stands out.
Pod and Coil System
Caliburn A3 Pods
The A3 uses fixed 1.0Ω mesh pods. These pods are perfect for mouth-to-lung (MTL) vaping. They deliver consistent flavor and a satisfying throat hit, especially for those transitioning from cigarettes.
The pods are magnetically connected and easy to refill from the top, thanks to Uwell’s snap cap system.
Caliburn X Pods
The X is compatible with Uwell’s G-series coils and refillable pods. This offers flexibility to switch between 0.8Ω and 1.2Ω coils, allowing users to experiment with MTL or restricted direct lung (RDL) styles.
The pod capacity is 3ml—larger than A3’s 2ml—which means fewer refills throughout the day.
Battery Life and Charging
A3 Battery Performance
With a 520mAh battery, the A3 is ideal for light to moderate users. It supports fast USB-C charging and can go from zero to full in about 30 minutes. LED indicators show battery levels clearly: green for high, blue for medium, and red for low.
X Battery Capabilities
Packing a 850mAh battery, the Caliburn X is built for all-day use. The OLED display shows battery percentage, wattage, and puff count. It also supports fast USB-C charging.
If you’re a heavy user or want better battery longevity, the X takes the lead here.
Vaping Experience and Performance
Caliburn A3 Vaping Experience
The A3 delivers a consistent, flavorful vape with a smooth draw. It supports auto-draw and button activation, giving users flexibility in how they vape. The fixed wattage output makes it foolproof—great for beginners.
Caliburn X Vaping Experience
With adjustable wattage (up to 20W), the X allows for a more tailored vaping experience. Whether you prefer tighter MTL draws or warmer RDL hits, the X offers control and variety.
The OLED screen also allows you to track puffs and battery life, making it more engaging for tech-savvy users.
Ease of Use
Simplicity of A3
The A3 wins in simplicity. No screen, no settings—just fill, click, and vape. It’s perfect for users who want a no-hassle device without the learning curve.
Functionality of X
While the X is slightly more complex, its user interface is intuitive. The button interface and screen are responsive and easy to navigate. It’s a great choice if you enjoy tweaking settings to get the most out of your vape.
Durability and Portability
Both devices are well-constructed, but the A3 is more pocket-friendly due to its smaller size and lighter weight. However, if you’re okay with carrying a slightly bulkier device for added features, the X is worth it.
Price and Value
The Caliburn A3 is more affordable and offers excellent value for money, especially for those who don’t need adjustable settings. The Caliburn X, while pricier, gives more features and flexibility, making it worth the investment for advanced users.
Caliburn A3 vs X – Which One Is Better?
The answer depends on your needs.
Choose the Caliburn A3 if you:
- Are new to vaping
- Prefer a lightweight, no-fuss device
- Want excellent flavor without manual settings
Choose the Caliburn X if you:
- Like customizing your vape
- Prefer more battery life and a larger pod
- Appreciate having an OLED display and adjustable wattage
Frequently Asked Questions (FAQ)
Is Caliburn X better than A3?
It depends on your vaping style. The X offers more features like adjustable wattage, airflow, and a screen, while the A3 focuses on simplicity and ease of use.
Can you use the same pods for Caliburn A3 and X?
No. The A3 uses fixed pods with built-in coils, while the X uses separate coils and pods compatible with Uwell’s G-series.
Which Caliburn is best for beginners?
The Caliburn A3 is more beginner-friendly due to its fixed wattage, auto-draw system, and simple pod design.
Does Caliburn X leak?
With proper care, the Caliburn X rarely leaks. Ensure coils are installed correctly and avoid overfilling. Uwell’s Pro-FOCS technology also minimizes leakage.
How long do Caliburn pods last?
Typically, a Caliburn pod or coil lasts 1–2 weeks with regular use. Lifespan depends on the type of e-liquid and how frequently you vape.
In the battle of Caliburn A3 vs X, it all comes down to what you value more—simplicity or versatility.
The A3 is a fantastic choice for beginners or those who prefer a minimal setup. Its flavor quality, slim profile, and quick charging make it an everyday go-to device.
On the other hand, the Caliburn X caters to users who enjoy tinkering with their vape. With adjustable wattage, screen display, and swappable coils, it offers a more dynamic experience.


