Compare phones
| Global Score | |
| 75.2 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 4.4.3 | Android 10 |
| 2014-07-22 | 2020-06-29 |
| 5.48 x 2.70 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 5.26 ounces | 6.81 ounces |
| Black and White | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| $ 329.00 | $ 194.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | IPS LCD |
| 441 pixels per inch | 270 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Mediatek Helio P35 chipset |
| Qualcomm Krait 400 (Quad-Core 2500 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | PowerVR GE8320 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 9.84 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.33 inches (1/3.06") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | -- |
| 9.79 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM |
| 7 | 6.7 |
| Battery Life | |
| 3080mAh Li-Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A21 is just a bit better than Xiaomi Mi 4, getting a score of 76.1 against 75.2. Both of these phones come with Android operating system, but Galaxy A21 has the previous 10 version and Xiaomi Mi 4 has Android 4.4.3. Galaxy A21's design is newer and just a bit thinner than Xiaomi Mi 4's, but it is also extremely heavier.
The Xiaomi Mi 4 has a way better looking display than Galaxy A21, because although it has a way smaller display, it also counts with a higher resolution of 1920 x 1080px and a much higher pixel density. Galaxy A21 has a much better storage capacity for games and applications than Xiaomi Mi 4, because although it has only 32 GB internal storage, it also counts with a slot for external memory cards that admits up to 512 GB.
The Xiaomi Mi 4 counts with a little better hardware performance than Galaxy A21, because although it has an inferior number of cores (but faster), and they both have the same RAM amount, the Xiaomi Mi 4 also counts with an additional GPU. Xiaomi Mi 4 counts with a little bit better camera than Galaxy A21, because although it has a lesser mega-pixels resolution camera in the back, and they both have the same aperture and a 0.33 inches sensor, the Xiaomi Mi 4 also counts with a way higher video resolution.
Galaxy A21 features better battery duration than Xiaomi Mi 4, because it has a 30% bigger battery capacity.
Despite of being the best phone of the ones we are comparing here, Samsung Galaxy A21 is also a bargain compared to others, making it an obvious call.
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