Compare phones
| Global Score | |
| 74.4 | 84.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 8.0 Oreo, 6.0 Marshmallow | Android 11, 10 |
| 2016-03-30 | 2020-03-23 |
| 6.37 x 3.19 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 7.41 ounces | 6.63 ounces |
| Black, Gold and White | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 367 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.8 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 652 8976 chipset | Exynos 9611 chipset |
| ARM Cortex-A72 and ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 510 GPU | Mali-G72 MP3 GPU |
| 8.91 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 11.74 |
| Camera | |
| 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 7.7 | 11.55 |
| 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, Dual SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M21 is much better than Samsung Galaxy A9 Pro (2016), getting an 84.1 score against 74.4. Both phones in this comparison review work with Android OS (operating system), but the Galaxy M21 has 11 version while Samsung Galaxy A9 Pro (2016) has Android 8.0 Oreo. Even though Galaxy M21 is somewhat thicker than the Samsung Galaxy A9 Pro (2016), it's somewhat lighter and a lot newer.
Samsung Galaxy M21 features a bit better hardware performance than Samsung Galaxy A9 Pro (2016). They have a Octa-Core processor and a 4 GB RAM. The Samsung Galaxy M21 counts with a little more vivid screen than Samsung Galaxy A9 Pro (2016), because it has a just a little greater pixels quantity per inch in the screen, a quite better resolution of 1080 x 2340 pixels and a quite bigger display.
Samsung Galaxy M21 takes much clearer videos and photos than Galaxy A9 Pro (2016), because although it has a smaller diafragm aperture, it also counts with a way larger camera sensor shooting way higher quality pictures and a camera with a way better 48 megapixels resolution. The Galaxy M21 features a very superior storage to install games and applications than Galaxy A9 Pro (2016), because it has a slot for external memory cards that supports a maximum of 512 GB and 64 GB internal storage capacity.
The Samsung Galaxy M21 has greater battery duration than Galaxy A9 Pro (2016), because it has 6000mAh of battery capacity.
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