Compare phones
| Global Score | |
| 74.4 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo, 6.0 Marshmallow | Android 10 |
| 2016-03-30 | 2020-06-29 |
| 6.37 x 3.19 x 0.31 inches | 6.61 x 3.02 x 0.32 inches |
| 7.41 ounces | 6.81 ounces |
| Black, Gold and White | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 367 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.8 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 510 GPU | PowerVR GE8320 GPU |
| 8.91 | 9.27 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 9.84 |
| Camera | |
| 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 0.36 inches (1/2.8") sensor | 0.33 inches (1/3.06") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 7.7 | 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, Dual SIM | Nano SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy A21 has a global score of 76.1, which is a little bit better than the Samsung Galaxy A9 Pro (2016)'s 74.4 general score. Samsung Galaxy A21 is a notably newer and just a little lighter cellphone than Samsung Galaxy A9 Pro (2016), but it's a bit thicker. Both devices in this review include Android OS (operating system), but the Samsung Galaxy A21 has the previous 10 version while Samsung Galaxy A9 Pro (2016) has Android 8.0 Oreo version.
The Galaxy A21 has a bit better processor than Samsung Galaxy A9 Pro (2016), although it has less RAM memory, they both have a Octa-Core CPU. The Samsung Galaxy A9 Pro (2016) features just a bit better looking display than Galaxy A21, because although it has a little bit smaller display, it also counts with a higher 1080 x 1920 resolution and a better number of pixels per inch of display.
The Samsung Galaxy A21 features a bigger memory to install applications and games or saving photos and videos than Galaxy A9 Pro (2016), and although they both have exactly the same 32 GB internal storage, the Samsung Galaxy A21 also has a SD extension slot that supports a maximum of 512 GB. Samsung Galaxy A9 Pro (2016) features improved battery duration than Samsung Galaxy A21, because it has 5000mAh of battery capacity instead of 4000mAh.
The Galaxy A21 captures greater pictures and videos than Galaxy A9 Pro (2016), because although it has a tinier back-facing camera sensor, and they both have a same resolution back facing camera, the Galaxy A21 also counts with a bigger camera aperture.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.