Here you can compare Samsung S21 vs A21. If you compare the Samsung Galaxy S21 with the Samsung Galaxy A21, you can verify their respective specifications and unique features. It could potentially help you understand how the Samsung Galaxy S21 fares against the Samsung Galaxy A21 and which one to buy. Currently, the lowest price for the Samsung Galaxy S21 is $699.99 on Amazon and the Samsung Galaxy A21 is $186.89 on Amazon.
Samsung S21 vs A21
Faster CPU?
Between Samsung S21 vs A21, which one has a faster CPU? The Samsung Galaxy S21 has 2.9 GHz, while the Samsung Galaxy A21 has 2.3 GHz. Samsung S21 is about 26% faster CPU than Samsung Galaxy A21. A faster CPU means a smoother experience.
Samsung S21 vs A21 – More RAM?
Samsung Galaxy S21 has 8 GB and Samsung Galaxy A21 has 3 GB. About 166% more RAM than Samsung Galaxy A21. More RAM means that more applications can run at the same time, making the device faster.
Better screen resolution
Between Samsung S21 vs A21, which comes with better screen resolution? The Samsung Galaxy S21 has 1080 x 2400 pixels and the Samsung Galaxy A21 has 720 x 1600 pixels. About 125% more pixels than the Samsung Galaxy A21. More resolution means a sharper and sharper screen.
Light?
Samsung Galaxy S21 169 g and Samsung Galaxy A21 weigh 193 g. S21 is 12% lighter than Samsung Galaxy A21. Light gear is easier to hold without tiring your arms.
Supports memory card slot
The Samsung Galaxy A21 has a slot for a memory card. Memory cards provide more storage capacity for your device. So that you can store more songs, photos and videos.
More storage capacity
If you compare Samsung A21 and S21 storage, you will see that Samsung Galaxy S21 128 GB and Samsung Galaxy A21 32 GB. That is about 300% more built-in memory than the Samsung Galaxy A21. With more memory, you can store more songs, videos, photos and install more applications.
Supports FM radio?
The Samsung Galaxy A21 supports FM radio, but the Samsung Galaxy S21 does not. Listen to your favorite radio stations on your device. Enjoy music on the go with FM radio.
3.5mm headphone jack?
The Samsung Galaxy S21 does not have a headphone jack, but the Samsung Galaxy A21 does.
With a 3.5 mm connection you can connect a large number of other devices (for example speakers) with a 3.5 mm connection.
Samsung S21 Vs A21 Specifications Comparison
| Key Specs | ||||
| Display | 6.20-inch | 6.50-inch | ||
| Processor | Samsung Exynos 2100/Snapdragon 888 | MediaTek Helio P35 | ||
| Front Camera | 10-megapixel | 8-megapixel | ||
| Rear Camera | 12-megapixel + 12-megapixel + 64-megapixel | 48-megapixel + 5-megapixel + 2-megapixel + 2-megapixel | ||
| RAM | 8GB | 4GB | ||
| Storage | 128GB | 64GB | ||
| Battery Capacity | 4000mAh | 5000mAh | ||
| OS | Android 11 | Android 10 | ||
| Resolution | 1080×2400 pixels | 720×1600 pixels | ||
| General | ||||
| Brand | Samsung | Samsung | ||
| Model | Galaxy S21 | Galaxy A12 | ||
| Release date | 14th January 2021 | 24th November 2020 | ||
| Form factor | Touchscreen | Touchscreen | ||
| Dimensions (mm) | 151.70 x 71.20 x 7.90 | 164.00 x 75.80 x 8.90 | ||
| Weight (g) | 171.00 | 205.00 | ||
| IP rating | IP68 | – | ||
| Battery capacity (mAh) | 4000 | 5000 | ||
| Fast charging | Proprietary | Proprietary | ||
| Wireless charging | Yes | – | ||
| Colours | Phantom Violet | Black, Blue, White | ||
| Launched in India | – | Yes | ||
| Display | ||||
| Screen size (inches) | 6.20 | 6.50 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 1080×2400 pixels | 720×1600 pixels | ||
| Protection type | Gorilla Glass | – | ||
| Aspect ratio | 20:9 | 20:9 | ||
| Pixels per inch (PPI) | 421 | – | ||
| Hardware | ||||
| Processor | 2.2GHz octa-core (3×2.8GHz + 4×2.2GHz + 1×2.9GHz) | 1.8GHz octa-core (4×1.8GHz + 4x23GHz) | ||
| Processor make | Samsung Exynos 2100 | MediaTek Helio P35 (MT6765) | ||
| RAM | 8GB | 4GB | ||
| Internal storage | 128GB | 64GB | ||
| Expandable storage | – | Yes | ||
| Expandable storage type | – | microSD | ||
| Expandable storage up to (GB) | – | 1000 | ||
| Camera | ||||
| Rear camera | 12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 64-megapixel (f/2.0, 0.8-micron) | 48-megapixel (f/2.0) + 5-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) | ||
| No. of Rear Cameras | 3 | – | ||
| Rear autofocus | Yes | Yes | ||
| Rear flash | Yes | Yes | ||
| Front camera | 10-megapixel (f/2.2, 1.22-micron) | 8-megapixel (f/2.2) | ||
| No. of Front Cameras | 1 | – | ||
| Software | ||||
| Operating system | Android 11 | Android 10 | ||
| Skin | One UI 3.1 | One UI Core 2.5 | ||
| Connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Wi-Fi standards supported | 802.11 a/b/g/n/ac/Yes | – | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes, v 5.00 | Yes | ||
| NFC | Yes | – | ||
| USB Type-C | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| Headphones | – | 3.5mm | ||
| Sim 1 | ||||
| SIM Type | Nano-SIM | Nano-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| 5G | Yes | – | ||
| Sim 2 | ||||
| SIM Type | Nano-SIM | Nano-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| 5G | Yes | – | ||
| Sensors | ||||
| Face unlock | Yes | – | ||
| In-Display Fingerprint Sensor | Yes | – | ||
| Compass/ Magnetometer | Yes | – | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | Yes | ||
| Gyroscope | Yes | – | ||
| Barometer | Yes | – | ||
| Fingerprint sensor | – | Yes |