Xiaomi Redmi 9 vs iAir S4
Quick Comparison
In terms of display resolution, Xiaomi Redmi 9 has better resolution of 1600 x 720 than iAir S4 which has resolution of 320 x 240.
| Name | Xiaomi Redmi 9 | iAir S4 |
| Display | 6.53 in | 2.4 in |
|---|---|---|
| Battery | 5000 mAh | 2800 mAh |
| Camera | 13 MP + 2 MP Dual | 0.3 MP |
| Price | Rs. 10999 | Rs. 1299 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is August 27, 2020 . The cost of Xiaomi Redmi 9 is Rs. 10999. The launch Date of the second phone is October 27, 2020. The cost of iAir S4 is Rs. 1299.
Display comparison
iAir S4 has screen size of 2.4 inches which falls short to Xiaomi Redmi 9's 6.53 inch screen. Xiaomi Redmi 9 has LCD Screen type where as iAir S4 has TFT Screen type. Xiaomi's phone has display density of 269 PPI & iAir's phone has only 167 PPI display density. Xiaomi Redmi 9 has 20:9 aspect ratio where as iAir S4 has 4:3 aspect ratio.
Memory comparison
and both have same Internal Memory of 64 GB.
Camera comparison
Xiaomi Redmi 9's 13 MP + 2 MP Dual Rear Camera outshines iAir S4's 0.3 MP Rear Camera in terms of resolution.
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Full Comparison
| Name | Xiaomi Redmi 9 | iAir S4 |
| General | ||
| Model | Redmi 9 | S4 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | |
| Device Type | Smartphone | Feature Phone |
| Release Date | August 27, 2020 | October 27, 2020 |
| Design | ||
| Dimensions | 77.07 x 164.9 x 9 mm | |
| Weight | 196 g | |
| Display | ||
| Type | Color LCD Screen (16M Colors) | Color TFT Screen |
| Touch | Yes | |
| Size | 6.53 inches, 720 x 1600 pixels | 2.4 inches, 240 x 320 pixels |
| Aspect Ratio | 20:9 | 4:3 |
| PPI | ~ 269 PPI | ~ 167 PPI |
| Screen to Body Ratio | ~ 81% | |
| Features | ches | |
| Notch | Yes, Water Drop Notch | |
| Memory | ||
| RAM | 4 GB | |
| Storage | 64 GB | |
| Card Slot | Yes, upto 512 GB | Yes, upto 32 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | No |
| 4G | Yes | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | No |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | |
| IR Blaster | No | |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS | |
| Fingerprint Sensor | Yes, Rear | |
| Face Unlock | Yes | |
| Sensors | Vibration Motor, Distance Sensor, Ambient Light Sensor, Aaccelerometer, Compass | |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes, Protected by P2i | |
| Camera | ||
| Rear Camera | 13 MP f/2.2 (Wide Angle) 2 MP f/2.4 (Depth Sensor) with autofocus | 0.3 MP |
| Features | HDR, AI Portrait Mode, Face Recognition, AI Beautify 5.0, AI Scene Detection | Digital Zoom |
| Video Recording | 1080p @ 30 fps FHD | No |
| Flash | Yes, LED | No |
| Front Camera | 5 MP f/2.2 | No |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v10 | |
| Chipset | MediaTek Helio G35 | |
| CPU | 2.3 GHz, Octa Core Processor | |
| Core Details | Arm Cortex-A53 | |
| GPU | IMG PowerVR GE8320 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | |
| Multimedia | ||
| Yes | ||
| Music | Yes | MP3 |
| Video | Yes | 3GP, MP4 |
| FM Radio | Yes | Yes |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 2800 mAh, Li-ion Battery |
| Talk Time | 37 hours | |
| Music Playback Time | 164 hours | |