Compare phones
| Global Score | |
| 73.5 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 14 | Android 10 |
| -- | 2020-06-29 |
| 6.30 x 3.02 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 7.05 ounces | 6.81 ounces |
| Black, Fantasy Blue, Optimistic Blue and Personality Yellow | Black |
| Plastic and Plastic | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 396 pixels per inch | 270 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 7.3 |
| Performance | |
| Mediatek Helio G99 MT6789 (6 nm) chipset | Mediatek Helio P35 chipset |
| processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Mali-G57 MC2 GPU | PowerVR GE8320 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 50.00 MP + 13.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.46 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Samsung Galaxy A21 has a general score of 76.1, which is slightly better than Samsung Galaxy A15's score of 73.5. The Samsung Galaxy A21 is a a little thinner and a bit lighter device than Samsung Galaxy A15. Both devices in our current comparison use Android operating system, but the Samsung Galaxy A21 has the previous 10 version while Samsung Galaxy A15 has Android 14.
Galaxy A21 counts with a much better performing CPU than Galaxy A15, although it has a lower amount of RAM memory, they both have a Octa-Core processor. Galaxy A15 counts with a brighter screen than Galaxy A21, and although they both have a same size display, the Galaxy A15 also has a much higher 1080 x 2340px resolution and a greater pixels density.
Galaxy A15 has a bit better camera than Galaxy A21, and although they both have the same camera aperture, the Galaxy A15 also has a back camera with a way higher 50 megapixels resolution. The Galaxy A15 has a slightly bigger storage for apps and games than Galaxy A21, because although it has no external memory card slot, it also counts with 128 GB internal storage capacity.
Samsung Galaxy A15 has greater battery performance than Galaxy A21, because it has a 25 percent more battery capacity.
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