Both Xiaomi Redmi 9 Activ and Xiaomi Redmi 9 comes with same RAM. Both have the same amount of internal memory.
| Name | Xiaomi Redmi 9 Activ | Xiaomi Redmi 9 | 
| RAM | 4 GB | 4 GB | 
|---|---|---|
| Display | 6.53 in | 6.53 in | 
| Internal Memory | 64 GB | 64 GB | 
| Battery | 5000 mAh | 5000 mAh | 
| Camera | 13 MP + 2 MP Dual | 13 MP + 2 MP Dual | 
| Price | Rs. 8499 | Rs. 9999 | 
The launch Date of the first phone is September 23, 2021. The cost of Xiaomi Redmi 9 Activ is Rs. 8499. The launch Date of the second phone is August 27, 2020 . The cost of Xiaomi Redmi 9 is Rs. 9999.
Both the phones have LCD Screen Type. Both have same 269 PPI. Both phones have same aspect ratio of 20:9.
Both mobiles come with 4 GB RAM and both have same Internal Memory of 64 GB.
Xiaomi Redmi 9 Activ has 13 MP + 2 MP Dual Rear Camera in comparison to Xiaomi Redmi 9's 13 MP + 2 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 10 version.
| Name | Xiaomi Redmi 9 Activ | Xiaomi Redmi 9 | 
| General | ||
| Model | Redmi 9 Activ | Redmi 9 | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | September 23, 2021 | August 27, 2020 | 
| Design | ||
| Dimensions | 77.07 x 164.9 x 9 mm | 77.07 x 164.9 x 9 mm | 
| Weight | 194 g | 196 g | 
| Display | ||
| Type | Color LCD Screen (16M Colors) | Color LCD Screen (16M Colors) | 
| Touch | Yes | Yes | 
| Size | 6.53 inches, 720 x 1600 pixels | 6.53 inches, 720 x 1600 pixels | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 269 PPI | ~ 269 PPI | 
| Screen to Body Ratio | ~ 81% | ~ 81% | 
| Features | Color Temperature Adjustment, Standard Mode, Reading Mode, Sunlight Mode | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch | 
| Memory | ||
| RAM | 4 GB | 4 GB | 
| Storage | 64 GB | 64 GB | 
| Card Slot | Yes, upto 512 GB | Yes, upto 512 GB | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v5.0, A2DP, LE | 
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | 
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging | 
| IR Blaster | No | No | 
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | 
| Fingerprint Sensor | Yes, Rear | Yes, Rear | 
| Face Unlock | Yes | Yes | 
| Sensors | Vibration Motor, Distance Sensor, Ambient Light Sensor, Aaccelerometer, Compass | Vibration Motor, Distance Sensor, Ambient Light Sensor, Aaccelerometer, Compass | 
| 3.5mm Headphone Jack | Yes | Yes | 
| Splash Resistant | No | Yes, Protected by P2i | 
| Camera | ||
| Rear Camera | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 13 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 
| Auto Focus | Yes | Yes | 
| Features | HDR, AI Portrait Mode, Face Recognition, AI Beautify 5.0, AI Scene Detection | HDR, AI Portrait Mode, Face Recognition, AI Beautify 5.0, AI Scene Detection | 
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 5 MP ƒ/2.2 | 5 MP ƒ/2.2 | 
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Technical | ||
| OS | Android v11 | Android v10 | 
| Chipset | MediaTek Helio G35 | MediaTek Helio G35 | 
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor | 
| Core Details | Arm Cortex-A53 | Arm Cortex-A53 | 
| GPU | IMG PowerVR GE8320 | IMG PowerVR GE8320 | 
| Java | No | No | 
| Browser | Yes, supports HTML5 | Yes, supports HTML5 | 
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR-NB, WB, FLAC, APE | Yes | 
| Video | MP4 | Yes | 
| FM Radio | Yes | Yes | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery | 
| Talk Time | 37 hours | 37 hours | 
| Music Playback Time | 164 hours | 164 hours |