 
   
 Redmi 9 comes with a 6.53-inch HD+ display with 720×1600 pixels resolution with 400 nits brightness, 70% NTSC colour gamut. The phone is powered by an octa-core MediaTek Helio G35 SoC, paired with 4GB RAM. There are 64GB and 128GB of onboard storage options with external storage of up to 512GB via a microSD card card slot.
For the camera, the Redmi 9 is equipped with a dual rear camera setup with a 13-megapixel primary sensor with an f/2.2 lens and a 2-megapixel secondary sensor with an f/2.4 lens. The front camera features a 5-megapixel selfie camera sensor with f/2.2 lens at the front.
Redmi 9 runs Android 10 with MIUI 12 on top. With this, the phone will be the first device in India to come with MIUI 12 out of the box. It packs a 5,000mAh battery with 10W charging support. The phone has a rear-mounted fingerprint scanner.
| Type | HD+, 20:9 IPS LCD Dot Drop screen with 400 nits brightness, 70% NTSC colour gamut | 
| Resolution | 720 X 1600 pixels | 
| Screen Size | 6.53 inches | 
| Processor | Octa Core 2.3 GHz, MediaTek Helio G35 processor with IMG PowerVR GE8320 GPU | 
| Operating System | Android 10, MIUI 12 | 
| RAM | 4 GB | 
| Internal Memory | 128 GB | 
| Expandable | 512 GB, MicroSD | 
| Rear Camera | 13MP + 2MP, Dual camera: 13-megapixel primary sensor with an f/2.2 lens and a 2-megapixel secondary sensor with an f/2.4 lens | 
| Front Camera | 5 MP, with f/2.2 lens | 
| Image Stablizer | No | 
| Flash | Yes, LED FLash | 
| Video Recording | Yes | 
| Design | Bar | 
| Weight | 196 grams | 
| Capacity | 5000 mAh, with 10w charging | 
| Type | Non Removable | 
| Radio | Yes | 
| Media Player | Yes, MP3/WAV/eAAC+/Flac | 
| Video Player | Yes, MP4/H.265 | 
| Network | 2G | 
| GSM/CDMA | GSM | 
| Bluetooth | 5.0, A2DP, LE | 
| WiFi | Yes, Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | 
| Internet | EDGE | 
| GPS | With A-GPS, NavIC | 
| USB | Micro | 
| HDMI | No | 
| Headphone Connector | 3.5 mm, Active noise cancellation with dedicated mic | 
| SIM | Dual | 
| NFC | No | 
| DLNA | No | 
| Sensors | |
| Built in Applications | Yes, Google Search, Maps, Gmail, YouTube, Calendar | 
| Warrenty | 1 Year | 
| Dustproof | No | 
| Shockproof | No | 
| Water Resistant | No | 
| Keypad | Touchscreen, Capacitive with Multitouch | 
| Water Proof | No |