Compare phones
| Global Score | |
| 74 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 11 | Android 10 |
| 2021-08-18 | 2020-06-29 |
| 6.46 x 2.99 x 0.36 inches | 6.61 x 3.02 x 0.32 inches |
| 6.91 ounces | 6.81 ounces |
| Black and Blue. White | Black |
| Plastic and Plastic | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.5 inches | 6.5 inches |
| 1600 x 720 pixels | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 270 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 7.3 |
| Performance | |
| MediaTek Helio P35 MT6765 chipset | Mediatek Helio P35 chipset |
| Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| PowerVR GE8320 GPU | PowerVR GE8320 GPU |
| 9.27 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 5.8 | 9.84 |
| Camera | |
| 13.00 MP + 5.00 MP | 16.00 MP + 13.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A21 has an overall score of 76.1, which is just a bit better than the Samsung Galaxy A03s's score of 74. The Samsung Galaxy A21 is an older cellphone than the Samsung Galaxy A03s, but Samsung managed to make it thinner and a little bit lighter anyway. Both devices in our current comparison come with Android OS (operating system), but Samsung Galaxy A21 has the older 10 version and Samsung Galaxy A03s has Android 11.
Galaxy A21's processor is just as good as the Galaxy A03s one, they have a Octa-Core processor and 3 GB of RAM memory. The Galaxy A21 and Galaxy A03s feature extremely similar displays, both of them have the same screen pixels density, a display of the same size and the same exact 720 x 1600 resolution.
The Galaxy A21 features a much greater memory capacity to install applications and games than Galaxy A03s, and although they both have exactly the same internal storage, the Galaxy A21 also has a SD memory slot that supports a maximum of 512 GB. Galaxy A03s counts with greater battery performance than Galaxy A21, because it has a 25 percent larger battery capacity.
Galaxy A21 captures a little bit better photos and videos than Galaxy A03s, and although they both have the same 1920x1080 video resolution and the same video frame rates, the Galaxy A21 also has a back-facing camera with more megapixels and a larger aperture to take better photography and video in low-light environments.
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