Samsung Galaxy A21 vs Samsung Galaxy A21s – A Complete Comparison

Published: 13/03/2025

Samsung’s Galaxy A series offers affordable smartphones with decent features. The Samsung Galaxy A21 and Samsung Galaxy A21s are two budget-friendly models that look similar but have key differences in performance, cameras, and battery life. In this article, we’ll compare these two devices in detail to help you decide which one is the better choice for you.

Table of Content

Key Differences Between Samsung Galaxy A21 and A21s
Display & Design
1. Key Points:
Performance & Software
1. Key Points:
Cameras
1. Key Points:
Battery Life & Charging
1. Key Points:
Pros and Cons
1. Samsung Galaxy A21 – Pros & Cons
2. Samsung Galaxy A21s – Pros & Cons
What Should You Choose?
Conclusion
FAQs

So, guys, without wasting time, let’s jump into the article to learn the difference between Samsung Galaxy A21 vs Samsung Galaxy A21s.

Key Differences Between Samsung Galaxy A21 and A21s

Before diving into details, here’s a quick look at the major differences between the Samsung Galaxy A21 and A21s:

Features	Samsung Galaxy A21	Samsung Galaxy A21s
Display	6.5-inch PLS LCD, HD+	6.5-inch PLS LCD, HD+
Processor	MediaTek Helio P35	Exynos 850
RAM & Storage	3GB/32GB	3GB, 4GB, 6GB RAM & 32GB, 64GB Storage
Rear Camera	Quad (16MP + 8MP + 2MP + 2MP)	Quad (48MP + 8MP + 2MP + 2MP)
Front Camera	13MP	13MP
Battery	4000mAh, 15W fast charging	5000mAh, 15W fast charging
Operating System	Android 10 (Upgradeable)	Android 10 (Upgradeable)

Now, let’s break down these differences further.

Display & Design

Both the Samsung Galaxy A21 and A21s feature a 6.5-inch PLS LCD display with an HD+ resolution. This ensures decent brightness and colors, but the lack of Full HD resolution means that sharpness isn’t the best.

Key Points:

Both phones have a 6.5-inch HD+ display, making them identical in screen size.
The A21s has slightly better brightness and color accuracy due to minor panel improvements.
Both devices have a punch-hole camera design, offering a modern look.

Performance & Software

Performance is a major difference between these two phones. The Samsung Galaxy A21 is powered by the MediaTek Helio P35, while the A21s runs on Samsung’s Exynos 850.

Key Points:

The Exynos 850 in A21s is more power-efficient, providing better battery life.
The A21s comes with up to 6GB RAM, while the A21 is limited to 3GB RAM.
Both devices ship with Android 10, but the A21s offers smoother multitasking.

Cameras

The Samsung Galaxy A21 and A21s both feature quad-camera setups, but the A21s has a higher-resolution 48MP primary sensor, compared to the 16MP on the A21.

Key Points:

A21s has a 48MP main camera, producing sharper and more detailed images.
Both phones include an 8MP ultra-wide lens, a 2MP macro lens, and a 2MP depth sensor.
The front camera remains the same at 13MP, ensuring similar selfie quality.

Battery Life & Charging

Battery life is an essential factor when choosing a smartphone. The Samsung Galaxy A21s has a larger 5000mAh battery, compared to the 4000mAh on the A21.

Key Points:

A21s offers longer battery life thanks to its 5000mAh battery and energy-efficient processor.
Both devices support 15W fast charging, ensuring quick power-ups.
A21s lasts 1-2 hours longer in daily use than the A21.

Pros and Cons

Before making a final decision, here’s a breakdown of the pros and cons of both devices.

Samsung Galaxy A21 – Pros & Cons

The Samsung Galaxy A21 is an affordable smartphone, but it has its strengths and weaknesses.

Pros:

Large 6.5-inch display for immersive viewing.
Decent quad-camera setup for a budget device.
13MP front camera for clear selfies.
Affordable price for basic users.
Lightweight design for easy handling.

Cons:

Slower Helio P35 processor, not ideal for gaming.
Lower-resolution 16MP main camera, lacks sharpness.
Smaller 4000mAh battery, shorter usage time.
Limited to 3GB RAM, making multitasking difficult.
No Full HD display, affecting screen clarity.

Samsung Galaxy A21s – Pros & Cons

The Samsung Galaxy A21s brings several improvements over the A21, but it also has some downsides.

Pros:

More powerful Exynos 850 processor, better performance.
Higher 48MP main camera, better image quality.
Larger 5000mAh battery, longer battery life.
More RAM options (3GB, 4GB, 6GB) for smoother performance.
Same 6.5-inch screen but with improved brightness.

Cons:

Slightly heavier due to a bigger battery.
Still an HD+ display, not Full HD.
Plastic body, prone to scratches.
Charging speed remains 15W, not the fastest.
No 5G support, limited to 4G networks.

What Should You Choose?

If you’re confused between the Samsung Galaxy A21 and A21s, here’s a simple guide to help you pick the best one:

Choose Samsung Galaxy A21 if:
- You need a budget-friendly phone for basic tasks.
- You don’t mind a slower processor and lower camera resolution.
- You want a lighter phone for easy handling.
- You’re okay with a 4000mAh battery that lasts a day.
Choose Samsung Galaxy A21s if:
- You want better performance with a more powerful processor.
- You need a higher-resolution 48MP camera for better photography.
- You prefer a larger 5000mAh battery for longer usage.
- You need more RAM options for multitasking.

Conclusion

So guys, in this article, we’ve covered Samsung Galaxy A21 and A21s in detail. If you need a budget-friendly phone for basic tasks, the A21 is a reasonable choice. However, if you want better performance, a longer battery life, and improved cameras, the A21s is the superior option.

Which one do you prefer? Let us know in the comments below!

FAQs

Here are some of the most frequently asked questions about the Samsung Galaxy A21 and A21s .

Is the Samsung A21 the same as the A21s?

No, the A21s is an upgraded version of the A21. It has a better processor, larger battery, and improved cameras.

Why is my Samsung A21 phone so slow?

Your A21 may be slow due to background apps, low storage, or outdated software. Clearing cache and updating software can help improve performance.

What is special about the Samsung A21s?

The A21s offers a larger 5000mAh battery, a more powerful Exynos 850 processor, and a quad-camera setup for better performance and photography.

Is Samsung A21s waterproof or not?

No, the Samsung A21s does not have an official IP rating, meaning it is not waterproof or water-resistant.

Is A21s wireless charging?

No, the Samsung A21s does not support wireless charging. It charges via a USB-C cable with 15W fast charging support