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- Redmi 9 vs Vivo X21i
Redmi 9 vs Vivo X21i comparison
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| ratings | ||||
| Overall NDTV Rating | Read Review | - | ||
| Design Rating | - | |||
| Display Rating | - | |||
| Software Rating | - | |||
| Performance Rating | - | |||
| Battery Life Rating | - | |||
| Camera Rating | - | |||
| Value for Money Rating | - | |||
| key specs | ||||
| Display | 6.53-inch | 6.28-inch | ||
| Processor | MediaTek Helio G35 | MediaTek Helio P60 | ||
| Front Camera | 5-megapixel | 24-megapixel | ||
| Rear Camera | 13-megapixel + 2-megapixel | 12-megapixel | ||
| RAM | 4GB | 4GB | ||
| Storage | 64GB | 64GB | ||
| Battery Capacity | 5000mAh | 3245mAh | ||
| OS | Android 10 | Android 8.1 | ||
| Resolution | 720x1600 pixels | 1080x2280 pixels | ||
| general | ||||
| Brand | Xiaomi | Vivo | ||
| Model | Redmi 9 | X21i | ||
| Release date | August 27, 2020 | May 1, 2018 | ||
| Launched in India | Yes | - | ||
| Form factor | Touchscreen | Touchscreen | ||
| Dimensions (mm) | 164.90 x 77.07 x 9.00 | 154.37 x 74.98 x 6.99 | ||
| Weight (g) | 196.00 | 159.00 | ||
| Battery capacity (mAh) | 5000 | 3245 | ||
| Fast charging | Proprietary | - | ||
| Colours | Carbon Black, Sporty Orange, Sky Blue | Aurora White, Polar Night, Ruby Red | ||
| display | ||||
| Screen size (inches) | 6.53 | 6.28 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 720x1600 pixels | 1080x2280 pixels | ||
| Aspect ratio | 20:9 | - | ||
| hardware | ||||
| Processor | octa-core | 2GHz octa-core | ||
| Processor make | MediaTek Helio G35 | MediaTek Helio P60 (MT6771) | ||
| RAM | 4GB | 4GB | ||
| Internal storage | 64GB | 64GB | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 512 | 256 | ||
| Dedicated microSD slot | Yes | - | ||
| camera | ||||
| Rear camera | 13-megapixel (f/2.2) + 2-megapixel (f/2.4) | 12-megapixel | ||
| Rear autofocus | Yes | - | ||
| Rear flash | Yes | Dual LED | ||
| Front camera | 5-megapixel (f/2.2, 1.12-micron) | 24-megapixel | ||
| software | ||||
| Operating system | Android 10 | Android 8.1 | ||
| Skin | MIUI 12 | Funtouch OS 4 | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes, v 5.00 | Yes | ||
| Micro-USB | Yes | - | ||
| Headphones | 3.5mm | - | ||
| FM | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| USB OTG | - | Yes | ||
| sim 1 | ||||
| SIM Type | Nano-SIM | Nano-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| sim 2 | ||||
| SIM Type | Nano-SIM | Nano-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | Yes | ||
| sensors | ||||
| Face unlock | Yes | - | ||
| Fingerprint sensor | Yes | - | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | Yes | ||
| Gyroscope | - | Yes | ||
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