Redmi 9 Activ vs Vivo Y91i 1820
| Vormgeving | Touchscreen | Touchscreen |
| Afmetingen | 164.90 x 77.07 x 9.00 mm | 155.11 x 75.09 x 8.28 mm |
| Gewicht | 194.00 g | 163.50 g |
| Schermgrootte | 6.53" | 6.22" |
| Scherm | Kleurrijk / IPS TFT 16M kleuren 60 Hz 720 x 1600 px (6.53") 269 ppi | Kleurrijk / IPS TFT 16M kleuren 720 x 1520 px (6.22") 270 ppi |
| Bescherming scherm | ||
| Extra scherm | ||
| Secundaire bescherming scherm | ||
| Standaard batterij | Li-Ion 5000 mAhBuy powerbank | Li-Ion 4030 mAhBuy powerbank |
| Snel opladen van de batterij | ||
| Draadloos opladen van de batterij | ||
| Intern geheugen | 64 GB, 128 GB | 16 GB, 32 GB |
| RAM-geheugen | 4 GB, 6 GB | 2 GB, 3 GB |
| Geheugen kaarten | microSD, microSDHC, microSDXC tot 512 GBBuy memory card | microSD, microSDHC, microSDXC tot 256 GBBuy memory card |
| Besturingssysteem | Android 10 | Android 8.1 Oreo |
| Interface | MIUI 12 | Funtouch 4.5 |
| Processor | MediaTek Helio G35 MT6765G | MediaTek Helio P22 MT6762 |
| CPU-klok | 2300 MHz | 2000 MHz |
| GPU | PoverVR GE8320 @680 MHz | PowerVR GE8320 @650 MHz |
| Touchscreen | ||
| SAR | 1,283 W/kg | |
| Dual SIM | ||
| SIM-kaarten standaard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| Dual SIM-modus | dual standby | dual standby |
| Hybride Dual SIM | ||
| Introductiedatum | III. kwartaal 2021 | |
| Andere namen van deze telefoon | Xiaomi Redmi 9 Activ | Vivo 1820; Y91i India |
| GSM standaard | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS standaard (3G) | 850 900 1700 1900 | 850 900 1900 2100 |
| LTE-standaard | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300 |
| 5G-standaard | ||
| CDMA standaard | ||
| TD-SCDMA-standaard | ||
| UMA standaard |

