Compare phones
| Global Score | |
| 84.1 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 8.0 Oreo, 7.0 Nougat, 6.0 Marshmallow |
| 2020-03-23 | 2016-06-01 |
| 6.26 x 2.96 x 0.35 inches | 6.17 x 3.04 x 0.27 inches |
| 6.63 ounces | 5.96 ounces |
| Midnight blue and Raven black | Gold, Gray and Pink |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | Super AMOLED |
| 403 pixels per inch | 386 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 625 8953 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 506 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 11.74 | 10.02 |
| Camera | |
| 48.00 MP + 20.00 MP | 16.00 MP + 8.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 9.13 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 6 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3300mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M21 is a little bit better than the Galaxy C7, getting an 84.1 score against 77.7. These phones work with Android operating system, but the Samsung Galaxy M21 has 11 version and Galaxy C7 has Android 8.0 Oreo version. Samsung Galaxy M21 is a newer phone than Galaxy C7, although it is somewhat heavier and notably thicker.
Samsung Galaxy M21 features a slightly better display than Galaxy C7, because it has a bit bigger screen, a just a bit better pixels density and a bit higher 1080 x 2340 resolution. Galaxy M21 has a little faster processing unit than Galaxy C7. Both of them have a 4 GB RAM and a Octa-Core CPU. Galaxy M21 shoots way better pictures and videos than Samsung Galaxy C7, because although it has a smaller aperture which is not so good for taking photographs and video in low light environments, it also counts with a much higher (4K) video resolution and a camera in the back with a way better resolution.
The Galaxy M21 counts with a bigger memory to store more games and applications than Galaxy C7, and although they both have exactly the same internal storage capacity, the Galaxy M21 also has a slot for an external memory card that supports a maximum of 512 GB. The Galaxy M21 features a really longer battery lifetime than Galaxy C7, because it has an 82 percent more battery size.
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