Samsung Galaxy A30 vs. Samsung Galaxy A30s vs. Samsung Galaxy A40

Published: 12/03/2025

The Samsung Galaxy A30, A30s, and A40 are budget-friendly smartphones that offer a range of features to suit different user needs. While they share similarities, they also have key differences in design, performance, and camera capabilities. This comparison will help you understand their distinctions to choose the best one for you.

Table of Content

Design & Display
Performance & Hardware
Camera Capabilities
Battery Life
Software & Features
Pros and Cons
Conclusion

So, guys, without wasting time, let’s jump into the article to learn the difference between Samsung galaxy A30 Vs A30s Vs A40.

Design & Display

Samsung’s A30, A30s, and A40 come with sleek designs, but they differ in size, screen quality, and build materials. Understanding these differences will help you choose the most suitable model for your usage preferences.

The A30 features a 6.4-inch Super AMOLED display with Full HD+ resolution, offering vibrant colors and deep contrasts.
The A30s has the same 6.4-inch Super AMOLED screen but with a slightly lower HD+ resolution, impacting sharpness.
The A40 is smaller, with a 5.9-inch Super AMOLED display and Full HD+ resolution, making it more compact and easy to handle.

Performance & Hardware

Performance is crucial when selecting a smartphone. The A30, A30s, and A40 use different chipsets, affecting speed and multitasking efficiency.

A30: Powered by the Exynos 7904 processor with 3GB or 4GB RAM, providing decent performance for everyday tasks.
A30s: Features the same Exynos 7904 chipset but with a slightly improved GPU, making it better for casual gaming.
A40: Uses the Exynos 7904 processor with 4GB RAM, ensuring smoother performance compared to the A30s.

Camera Capabilities

Cameras are an essential factor when picking a smartphone. The A30, A30s, and A40 have different camera setups that cater to different photography needs.

A30: Dual-camera setup (16MP main + 5MP ultra-wide) and a 16MP front camera.
A30s: Upgraded to a triple-camera setup (25MP main + 8MP ultra-wide + 5MP depth sensor) for better photo quality.
A40: Features a dual-camera setup (16MP main + 5MP ultra-wide) but enhances image processing for more detailed shots.

Battery Life

Battery life is essential for daily usage. The three models offer reliable battery performance, but there are some differences.

A30 & A30s: Both come with a 4,000mAh battery, supporting 15W fast charging for long-lasting usage.
A40: Has a smaller 3,100mAh battery, which may require more frequent charging for power users.

Software & Features

Samsung provides software updates and security patches for these models, but there are differences in features.

A30 & A30s: Launched with Android 9 Pie, upgradable to Android 11 with One UI.
A40: Also launched with Android 9 Pie, receiving the same software upgrades as the other two models.

Pros and Cons

Understanding the advantages and disadvantages of each model will help you make an informed choice.

Samsung Galaxy A30

Before diving into the pros and cons, it’s important to note that the A30 is a well-rounded smartphone for general users.

Pros:

Large 6.4-inch Super AMOLED display with Full HD+ resolution.
Decent battery life with 4,000mAh capacity.
Good camera performance for the price.
Expandable storage via microSD card.
15W fast charging support.

Cons:

Plastic build may feel less premium.
Performance lags with heavy gaming.
No NFC support for contactless payments.
Camera struggles in low light.
Software updates may be limited in the future.

Samsung Galaxy A30s

The A30s is an upgraded version of the A30 with additional features.

Pros:

Triple-camera setup offers better photography options.
Sleek design with a glossy back finish.
Reliable battery life with 4,000mAh capacity.
On-screen fingerprint scanner for added security.
Improved GPU performance for casual gaming.

Cons:

Display resolution downgraded to HD+.
Performance is similar to A30, with no major improvements.
No major software enhancements over A30.
Plastic back prone to scratches.
Still lacks NFC for contactless payments.

Samsung Galaxy A40

The A40 is a compact phone that suits users who prefer smaller devices.

Pros:

Compact and lightweight design for easy handling.
Full HD+ resolution on a smaller 5.9-inch display.
Decent 16MP dual-camera setup for everyday photography.
4GB RAM ensures smoother performance than A30/A30s.
One UI provides a clean and user-friendly experience.

Cons:

Smaller 3,100mAh battery may require frequent charging.
No triple-camera setup like the A30s.
Lacks high-end gaming performance.
No NFC for contactless payments.
Slightly more expensive than A30.

Conclusion

Choosing between the Samsung Galaxy A30, A30s, and A40 depends on your needs. The A30 offers a solid balance of display, battery, and performance. The A30s improves the camera but sacrifices screen resolution. The A40 is ideal for those who prefer a compact phone with a high-resolution display. Consider your priorities to make the best decision for your daily smartphone use.

Is the Samsung A40 worth buying?

Yes, if you need a compact phone with a good display and decent cameras at an affordable price. However, it has average battery life and limited updates.

Why is my Samsung A30 so slow?

Your phone may be running too many apps, have full storage, or outdated software. Try clearing cache, updating software, and closing unused apps.

What is so special about Samsung A30s?

The A30s offers a triple-camera setup, in-display fingerprint sensor, and improved battery life over the A30.

How old is the Samsung A40?

The Samsung A40 was released in April 2019, making it over 4 years old. It no longer gets major software updates.

Which series is best: A or S?

A-Series: Budget-friendly, good battery life, decent specs.
S-Series: Premium, better cameras, faster performance.
If you want affordability, go for A-Series; for high-end features, choose S-Series.