The Redmi 9i Sport is an affordable offering, which comes with mediocre specifications. The smartphone gets a 6.53-inch IPS LCD display that has 720 x 1600 pixels resolution and a 20:9 aspect ratio. The display panel has a water-drop notch at the center which houses a selfie camera. The phone under the hood is powered by an octa-core Helio G25 SoC. The graphical task of the device is handled by a PowerVR GE8320 GPU. The smartphone features a 13MP camera at the back that has a f/2.2 aperture. For the selfie purpose, the handset sports a 5MP camera. The device packs 4GB of RAM and 128GB of internal storage. It runs Android 11 out of the box with MIUI 12 on top. The smartphone ships with a 5000mAh battery. Basic connectivity options which the handset offer include is dual-SIM card slot, 4G VoLTE, Bluetooth 5.0, GPS, Wi-Fi b/g/n, a microUSB port, and a 3.5mm audio jack. The other popular mobile from Xiaomi includes Redmi 9 and Redmi 9 Power.
| Launch Date | September 28, 2021 (Official) |
| Processor Chipset | MediaTek Helio G25 |
| RAM | 4 GB |
| Internal Memory | 128 GB |
| Screen Size | 6.53 inches (16.59 cms) |
| Battery Capacity | 5000 mAh |
| Chipset | MediaTek Helio G25 |
| No Of Cores | 8 (Octa Core) |
| CPU | 2GHz, Quad core, Cortex A53 1.5GHz, Quad core, Cortex A53 |
| Architecture | 64-bit |
| Fabrication | 12 nm |
| RAM | 4 GB |
| RAM Type | LPDDR4X |
| Graphics | PowerVR GE8320 |
| Height | 6.49 inches (164.9 mm) |
| Width | 3.03 inches (77 mm) |
| Thickness | 0.35 inches (9 mm) |
| Weight | 194 grams |
| Colors | Carbon Black, Metallic Blue, Coral Green |
| Water Resistant | Yes, Splash proof |
| Ruggedness | Water proof |
| Screen Unlock | Face unlock |
| Resolution | 720 x 1600 pixels |
| Aspect ratio | 20:9 |
| Display Type | IPS LCD |
| Size | 6.53 inches (16.59 cms) |
| Bezel-less display | Yes, with Waterdrop notch |
| Pixel Density | 269 pixels per inch (ppi) |
| Brightness | 400 nits |
| TouchScreen | Yes, Capacitive, Multi-touch |
| Color Reproduction | 16M Colors |
| Screen to body percentage | 81.08 % |
| Rear camera setup | Single |
| Rear camera (Primary) | 13 MP resolutionf/2.2 aperture1µm pixel size |
| Front camera setup | Single |
| Front camera (Primary) | 5 MP resolutionf/2.2 aperture |
| Flash | LED Rear flash |
| Video Resolution (Rear) | 1920x1080 @ 30 fps1280x720 @ 30 fps |
| Camera Features | Auto Flash Auto Focus Face detection Touch to focus |
| Shooting Modes | Continuos Shooting High Dynamic Range mode (HDR) |
| Type | Li-Polymer |
| Capacity | 5000 mAh |
| Removable | No |
| Fast Charging | No |
| Wireless Charging | No |
| Internal Memory | 128 GB |
| Memory type | eMMC 5.1 |
| Expandable Memory | Yes, microSD, Up to 512 GB (Dedicated) |
| Operating System | Android v10 (Q) |
| Custom UI | MIUI |
| SIM Configuration | Dual SIM SIM1: Nano SIM2: Nano |
| Network | SIM1: 4G, 3G, 2GSIM2: 4G, 3G, 2G |
| Voice over LTE(VoLTE) | Yes |
| Wi-Fi | Yes, with b/g/n |
| Wi-fi features | Mobile Hotspot |
| Bluetooth | Bluetooth v5.0 |
| USB | microUSB 2.0, Mass storage device, USB charging, USB On-The-Go |
| USB OTG Support | Yes |
| GPS | Yes with A-GPS, Glonass |
| NFC Chipset | No |
| Infrared | Yes |
| Speaker | Yes |
| Audio Jack | Yes, 3.5mm |
| Video Player | Yes, Video Formats: MKV, MP4, Xvid |
| Fingerprint sensor | No |
| Face Unlock | Yes |
| Other Sensor | Light sensorProximity sensorAccelerometer |