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The PerfectRec phone team Learn more
Updated February 23, 2024·
If you prioritize a sophisticated camera and overall better performance, the Samsung Galaxy S21 is a better choice, despite being older. However, if longer battery life and a larger screen are more important to you, the Samsung Galaxy A25 would suit your needs better, albeit at a higher price point. Both phones have OLED displays and similar storage capacity, but the Galaxy S21 supports HDR10+ and has higher peak brightness, offering a better screen quality. The Galaxy A25, released more recently, might provide longer software support going forward, which could be a deciding factor as well. Both run on Android and have plastic bodies, giving them a similar look and feel. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the Samsung Galaxy A25
- The Samsung Galaxy A25 has no clear advantages over the Samsung Galaxy S21.
Advantages of the Samsung Galaxy S21
- Good for taking photos
- Fair for recording videos
- Very good display quality
- Good performance
Key differences
Overall Camera Quality
7.2
The Samsung Galaxy A25 has poor overall camera quality, while the Samsung Galaxy S21 has good overall camera quality.
The Samsung Galaxy S21 boasts superior photography capabilities, including a good selfie camera and effective software, versatile camera options, and better performance in low light and dynamic range across both photos and videos, compared to the Samsung Galaxy A25, which has a poor selfie camera and consistently poor performance in all mentioned camera aspects. Furthermore, for video purposes, the Galaxy S21 offers better resolutions, stabilization, and mic quality, heightening its overall multimedia experience in contrast to the Galaxy A25's poor performance in these areas.
Photo Quality
7.0
The Samsung Galaxy A25 takes poor photos, while the Samsung Galaxy S21 takes good photos.
The Samsung Galaxy A25 takes poor photos because it scores poorly in all camera-related aspects including selfie quality, resolution, software experience, dynamic range, and low light performance. In contrast, the Samsung Galaxy S21 is noted to have good selfie quality, with overall better performance in resolution, software experience, dynamic range, and low light capabilities, leading to good photo results.
Video Quality
6.6
The Samsung Galaxy A25 takes poor videos, while the Samsung Galaxy S21 takes only fair videos.
The Samsung Galaxy A25's video capabilities are inferior due to poor video resolution/framerate, software experience, stabilization, dynamic range, low light performance, and mic quality. Conversely, the Samsung Galaxy S21 excels in video quality with the best video resolution/framerate and stabilization, and good software experience, dynamic range, low light performance, and mic quality.
Battery
8.7 Hours
6.7 Hours
The Samsung Galaxy A25 has 8.7 hours of battery life. The Samsung Galaxy S21 has 6.7 hours of battery life.
Screen Size
The Samsung Galaxy A25 has a screen size of 6.5 inches and the Samsung Galaxy S21 is 6.2 inches.
Cost
$300
$145
$0
$100
$200
$300
$400
$500
The Samsung Galaxy A25 has a price of $300 and the Samsung Galaxy S21 costs $145.
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How the Samsung Galaxy A25 and the Samsung Galaxy S21 compare to other phones
Spec Comparison
 |  | |
| Samsung Galaxy A25 | Samsung Galaxy S21 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$300 | $145 | ||
Brand | |||
Brand | Samsung | Samsung | |
Operating System | |||
Operating System | Android | Android | |
Release Date | |||
Release Date | January 1, 2024 | January 29, 2021 | |
SCREEN | |||
|---|---|---|---|
Screen Size | |||
Screen Size | 6.5" | 6.2" | |
Resolution | |||
Resolution | 2340 x 1080 | 2400 x 1080 | |
Variable refresh rate | |||
Variable refresh rate | No | No | |
Pixels Per Inch | |||
Pixels Per Inch | 396 | 421 | |
Display Type | |||
Display Type | OLED | OLED | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | D6100+ | SD888 | |
Internal Storage | |||
Internal Storage | 128 GB | 128 GB | |
RAM | |||
RAM | 6 GB | 8 GB | |
CAMERA | |||
|---|---|---|---|
Overall Camera Quality Score | |||
Overall Camera Quality Score | 7.2/10 | ||
Photos Score | |||
Photos Score | 7/10 | ||
Videos Score | |||
Videos Score | 6.6/10 | ||
Rear Cameras | |||
Rear Cameras | Main, Ultrawide, Macro | Main, Ultrawide, Telephoto | |
Main Camera | |||
Main Camera | 50 megapixels + OIS | 12 megapixels + OIS | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 8.7 Hours | 6.7 Hours | |
Battery Capacity | |||
Battery Capacity | 5000 mAh | 4000 mAh | |
Wireless Charging | |||
Wireless Charging | Yes | Yes | |
Wireless charging Speed | |||
Wireless charging Speed | 15 W | 15 W | |
Reverse wireless charging | |||
Reverse wireless charging | Yes (4.5 watts) | Yes (4.5 watts) | |
PHYSICAL | |||
|---|---|---|---|
Size | |||
Size | 6.34" x 3.01" | 5.97" x 2.8" | |
Weight | |||
Weight | 6.95 oz | 5.96 oz | |
Back Material | |||
Back Material | Plastic | Plastic | |
Stereo Speakers | |||
Stereo Speakers | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
Dual SIM | |||
Dual SIM | Yes | Yes | |
Bluetooth Version | |||
Bluetooth Version | 5.3 | 5.0 | |
A2DP | |||
A2DP | Yes | Yes | |
WiFi Version | |||
WiFi Version | 5 | 6 | |
NFC | |||
NFC | Yes | Yes | |
US 5G Bands | |||
US 5G Bands | (SA/NSA/Sub6)1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78 | (SA/NSA/Sub6/mmWave)2, 5, 25, 41, 66, 71, 260, 261 (SA/NSA/Sub6)1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 | |
OTHER FEATURES | |||
|---|---|---|---|
Biometric unlock | |||
Biometric unlock | Face unlock, Fingerprint sensor: Side | Face unlock, Fingerprint sensor: Under Display | |
Unlockable Bootloader | |||
Unlockable Bootloader | No | No | |
Color | |||
Color | Blue Black | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | |
Stock Android | |||
Stock Android | No | No | |
SD Card | |||
SD Card | No | No | |
Shopping
Samsung Galaxy S21
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Dig into reviews and images
Android Central
Huseman Joe | February 2022
"The Galaxy S21 delivers the flagship Samsung experience in a phone that's much more pocketable (and affordable) than the top-end S21 Ultra.The triple-camera system is incredibly capable, Samsung's One UI 3.1 software is chock-full of features and settings to mess with, and I've not once missed having expandable storage."
Get a great deal on the Samsung Galaxy A25 or the Samsung Galaxy S21
About Samsung
Samsung is one of the most recognizable names in the smartphone industry, standing as the undisputed best-selling brand of Android smartphones in the United States for many years now. Samsung is known for offering a variety of smartphones in all available price points, as well as for implementing cutting-edge technology and innovative features in their flagship devices, ones that often shape the market going forward. The company offers its own unique spin on Android, called One UI, which focuses on offering a multitude of features and is heavily customizable, according to user preference.
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Why trust us
This information was produced and vetted by the PerfectRec phones team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest phone information and makes it digestible for you.
By the numbers
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About the phone team
Joe Golden, Ph.D
CEO and Phones Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
Jason Lew
Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
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Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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Seth is a US-based product expert focusing on smartphones and he is a moderator of one of the largest smartphone subreddits. His tailored recommendations have helped him earn over 87k comment karma, putting him in the top 1% of Redditors.
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Phones Expert
Efthimis is a Greece-based product expert focusing on smartphones. He has been recommending phones for 4 years and his recommendations on Reddit have earned him over 35k karma.
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