iAir S4 vs OPPO X 2021
Quick Comparison
In terms of display resolution, OPPO X 2021 has better resolution of 3200 x 1440 than iAir S4 which has resolution of 320 x 240.
| Name | iAir S4 | OPPO X 2021 |
| Display | 2.4 in | 7.4 in |
|---|---|---|
| Battery | 2800 mAh | 4000 mAh |
| Camera | 0.3 MP | 64 MP + 16 MP + 12 MP Triple |
| Price | Rs. 1299 | Rs. 134999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is October 27, 2020. The cost of iAir S4 is Rs. 1299. The Expected cost of OPPO X 2021 is Rs. 134999.
Display comparison
OPPO X 2021 has larger screen size of 7.4 inches in comparison to iAir S4's 2.4 inch screen. iAir S4 has TFT Screen type where as OPPO X 2021 has OLED Screen type. OPPO's phone has display density of 525 PPI & iAir's phone has only 167 PPI display density. iAir S4 has 4:3 aspect ratio where as OPPO X 2021 has 20:9 aspect ratio.
Camera comparison
OPPO X 2021's 64 MP + 16 MP + 12 MP Triple Rear Camera outshines iAir S4's 0.3 MP Rear Camera in terms of resolution.
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Full Comparison
| Name | iAir S4 | OPPO X 2021 |
| General | ||
| Sim Type | Dual Sim, GSM+GSM | Single Sim, GSM |
| Dual Sim | Yes | No |
| Sim Size | Nano SIM | |
| Device Type | Feature Phone | Smartphone |
| Release Date | October 27, 2020 | |
| Design | ||
| Dimensions | 73.7 x 161.9 x 7.8 mm | |
| Weight | 186 g | |
| Display | ||
| Type | Color TFT Screen | Color OLED Screen (16M Colors) |
| Touch | Yes | |
| Size | 2.4 inches, 240 x 320 pixels | 7.4 inches, 1440 x 3200 pixels |
| Aspect Ratio | 4:3 | 20:9 |
| PPI | ~ 167 PPI | ~ 525 PPI |
| Glass Type | Corning Gorilla Glass | |
| Features | ches | |
| Dual Display | Yes, 6.7 inches, OLED | |
| Memory | ||
| RAM | 8 GB | |
| Storage | 256 GB | |
| Card Slot | Yes, upto 32 GB | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | No | Yes |
| 4G | Yes | |
| VoLTE | Yes | |
| Wifi | No | Yes, with wifi-hotspot |
| Bluetooth | Yes | Yes, v5.0, A2DP, LE, aptX |
| USB | Yes, microUSB v2.0 | Yes, USB-C |
| USB Features | USB on-the-go, USB Charging | |
| Extra | ||
| GPS | Yes | |
| Fingerprint Sensor | Yes, In Display | |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Ggyro, Proximity, Compass, Barometer | |
| 3.5mm Headphone Jack | Yes | Yes |
| Camera | ||
| Rear Camera | 0.3 MP | 64 MP + 16 MP + 12 MP with autofocus |
| Features | Digital Zoom | |
| Video Recording | No | 4K |
| Flash | No | Yes, LED |
| Front Camera | No | 16 MP |
| Technical | ||
| OS | Android v11 | |
| Chipset | Qualcomm Snapdragon 865 | |
| CPU | 2.84 GHz, Octa Core Processor | |
| Core Details | 1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585 | |
| GPU | Adreno 650 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | |
| Multimedia | ||
| Yes | ||
| Music | MP3 | Yes |
| Video | 3GP, MP4 | Yes |
| FM Radio | Yes | Yes |
| Document Reader | Yes | |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 2800 mAh, Li-ion Battery | 4000 mAh |
| Fast Charging | Yes, 45W Fast Charging | |