| Xiaomi Mi A3 |  |  | 
| Hardware | 
| CPU | Qualcomm Snapdragon 665 | Apple A11 Bionic | 
| GPU | Adreno 610 | Apple GPU (3-core graphics) | 
| Memoria Ram | 4 GB | 2 GB | 
| Memoria de almacenamiento | 64 Gb | 64 GB | 
| Tarjeta de memoria máxima | 256 GB | 64 GB | 
| Factor de forma | 
| Largo (mm) | 153.5 | 138.4 | 
| Ancho (mm) | 71.9 | 67.3 | 
| Espesor (mm) | 8.5 | 7.3 | 
| Peso (g) | 174 | 148 | 
| Jack | yes | no | 
| Tipo USB | Type C | Proprietary | 
| Norma USB | 2.0 | 2.0 | 
| Infrarrojos | yes | no | 
| Pantalla | 
| Dimensión (pulgadas) | 6.09 | 4.7 | 
| Resolución | 720x1560 | 750 x 1334 | 
| Ratio | 19:5:9 | 16:9 | 
| Protección | Corning Gorilla Glass 5 | Ion-strengthened glass | 
| Tipo | Amoled | IPS LCD | 
| Superficie (%) | 82 | 65.4 | 
| dE Blanco | 6.6 | NotAvailable | 
| dE Rojo | 7.7 | NotAvailable | 
| dE Verde | 9.5 | NotAvailable | 
| dE Azul | 2.5 | NotAvailable | 
| dE Amarillo | 5.7 | NotAvailable | 
| dE Cian | 9.7 | NotAvailable | 
| dE Magenta | 1.6 | NotAvailable | 
| Contraste | 60000:1 | 1395:1 | 
| Brillo máximo | 350 | 640 | 
| Sensores | 
| Resolución - frontal | 48 | 7 | 
| Sensor - frontal | Sony IMX582 Exmor RS | N/A | 
| Resolución - atrás | 9 | 12 | 
| Sensor - atrás | N/A | Apple iSight Camera (8) | 
| Resolucion de video | 2160p | 2160p | 
|  | 4.71 mm | NotAvailable | 
|  | 1.66 mm | NotAvailable | 
|  |  | NotAvailable | 
| Benchmark | 
| Antutu - global | 139716 | 23008 | 
| Antutu - CPU | 63405 | NotAvailable | 
| Antutu - GPU | 31225 | NotAvailable | 
| Antutu - UX | 34735 | NotAvailable | 
| Antutu - MEM | 10351 | NotAvailable | 
| 3DMark - OpenGL | 1079 | NotAvailable | 
| 3DMark - Vulkan | 1041 | NotAvailable | 
| Capacidad de radio | 
| Frecuencias 3G | B1, B2, B4, B5, B8 | B1, B2, B4, B5, B8 | 
| Frecuencias 4G | B1, B2, B3, B4, B5, B7, B8, B20, B28, B38, B40 | B1, B2, B3, B4, B5, B7,B8 , B12, B13, B17, B18, B19, B20,B25, B26, B27, B28, B29, B30, B34, B38, B39, B40, B41 | 
| Frecuencias 5G |  | NotAvailable | 
|  |  | NotAvailable | 
| GPS | A-GPS,  Beidou,  GLONASS,  GPS | A-GPS, Cell ID, GLONASS, GPS, Wi-Fi | 
| Wifi | 802.11a,  802.11ac,  802.11b,  802.11g,  802.11n,  802.11n 5GHz | 802.11a, 802.11ac, 802.11b, 802.11g, 802.11n, 802.11n 5GHz | 
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 LE | 
| SAR (cabeza) | 0.301 | 1.19 | 
| SAR (cuerpo) | 1.097 | 1.17 | 
| VoLTE | yes | yes | 
| Llamadas Wifi |  | no | 
| NFC | no | yes | 
|  | 
| Capacidad de radio |  | NotAvailable | 
|  |  | NotAvailable | 
|  |  | NotAvailable | 
|  |  | NotAvailable | 
| Bateria | 
| Capacidad | 4030 | 1821 | 
| Carga rápida | yes | yes | 
| Carga maxima W | 10 | 15 | 
| Sonido | 
| Frequency Respons | +0.02 / -0.05 | NotAvailable | 
| Noise Level | -92.5 | NotAvailable | 
| Dynamic Range | 89.9 | NotAvailable | 
| THD (%) | 0.003111 | NotAvailable | 
| Intermodulation Distortion | 0.01 | NotAvailable | 
| Stereo Crosstalk | -88 | -80.4 | 
| Sistema operativo | 
| Version del sistema operativo | Android One | iOS 11 | 
| Sistema operativo base | Android 9.0 | iOS |