| Xiaomi Mi 9 |  |  | 
| Hardware | 
| CPU | Qualcomm SDM855 | Apple A11 Bionic | 
| GPU | Adreno 640 | Apple GPU (3-core graphics) | 
| RAM geheugen | 6 GB | 2 GB | 
| Opslagcapaciteit | 65 - 128 Gb | 64 GB | 
| Max memory card | 128 GB | 64 GB | 
| Formaat | 
| Lengte (mm) | 157.5 | 138.4 | 
| Breedte (mm) | 74.7 | 67.3 | 
| Dikte (mm) | 7.6 | 7.3 | 
| Gewicht (g) | 173 | 148 | 
| Jack | no | no | 
| USB type | Type C | Proprietary | 
| USB norme | 2.0 | 2.0 | 
| Infrarood | yes | no | 
| Scherm | 
| Grootte (inches) | 6.39 | 4.7 | 
| Resolutie | 1080 x 2340 | 750 x 1334 | 
| Ratio | 19.5:9 | 16:9 | 
| Bescherming | Corning Gorilla Glass 6 | Ion-strengthened glass | 
| Type | Amoled | IPS LCD | 
| Oppervlakte (%) | 85.2 | 65.4 | 
| dE Wit |  | NotAvailable | 
| dE Rood |  | NotAvailable | 
| dE Groen |  | NotAvailable | 
| dE Blauw |  | NotAvailable | 
| dE Geel |  | NotAvailable | 
| dE Cyaan |  | NotAvailable | 
| dE Magenta |  | NotAvailable | 
| Contrast | 60000:1 | 1395:1 | 
|  | 600 | 640 | 
| Sensoren | 
| Resolutie - vooraan | 20 | 7 | 
| Sensor - voorzijde | Sony IMX576 Exmor RS | N/A | 
| Resolutie - achterkant | 48 | 12 | 
| Sensor - achterkant | Sony IMX586 Exmor RS | Apple iSight Camera (8) | 
| Video resolutie | 1080p | 2160p | 
|  |  | NotAvailable | 
|  |  | NotAvailable | 
|  |  | NotAvailable | 
| Benchmark | 
| Antutu - globaal | 372006 | 23008 | 
| Antutu - CPU |  | NotAvailable | 
| Antutu - GPU |  | NotAvailable | 
| Antutu - UX |  | NotAvailable | 
| Antutu - MEM |  | NotAvailable | 
| 3DMark - OpenGL |  | NotAvailable | 
| 3DMark - Vulkan |  | NotAvailable | 
| Radio capaciteit | 
| 3G frequenties | B1, B2, B4 , B5 , B8 , B34 , B39 | B1, B2, B4, B5, B8 | 
| 4G frequenties | B1 , B2 , B3 , B4 , B5, B7 ,B8, B12, B20, B28 , B38 , B39, 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 | 
| 5G frequenties |  | NotAvailable | 
|  |  | NotAvailable | 
| GPS | A-GPS, GLONASS, BDS, GALILEO, QZSS | 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 (hoofd) | 1.39 | 1.19 | 
| SAR (lichaam) | 1.30 | 1.17 | 
| VoLTE | yes | yes | 
| Wifi gesprekken | yes | no | 
| NFC | yes | yes | 
|  | 
| Radio capaciteit |  | NotAvailable | 
|  |  | NotAvailable | 
|  |  | NotAvailable | 
|  |  | NotAvailable | 
| Batterij | 
| Capaciteit | 3300 | 1821 | 
| Snel laden | yes | yes | 
| Max laden W | 27 | 15 | 
| Geluid | 
| Frequency Respons |  | NotAvailable | 
| Noise Level |  | NotAvailable | 
| Dynamic Range |  | NotAvailable | 
| THD (%) |  | NotAvailable | 
| Intermodulation Distortion |  | NotAvailable | 
| Stereo Crosstalk | -91.9 | -80.4 | 
| Besturingssysteem | 
| OS Versie | MIUI 10 | iOS 11 | 
| Basis OS | Android 9 | iOS |