| key specs |
| Display | 6.90-inch | 6.53-inch |
| Processor | Samsung Exynos 990 | MediaTek Helio G85 |
| Front Camera | 10-megapixel | 13-megapixel |
| Rear Camera | 108-megapixel + 12-megapixel + 12-megapixel | 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel |
| RAM | 12GB | 4GB |
| Storage | 256GB | 64GB |
| Battery Capacity | 4500mAh | 5020mAh |
| OS | Android 10 | Android 10 |
| Resolution | 1440x3200 pixels | 1080x2340 pixels |
| general |
| Brand | Samsung | Xiaomi |
| Model | Galaxy Note 20 Ultra | Redmi Note 9 |
| Release date | August 5, 2020 | April 30, 2020 |
| Launched in India | No | Yes |
| Form factor | Touchscreen | Touchscreen |
| Body type | Glass | - |
| Dimensions (mm) | 164.80 x 77.20 x 8.10 | 162.30 x 77.20 x 8.90 |
| Weight (g) | 208.00 | 199.00 |
| IP rating | IP68 | - |
| Battery capacity (mAh) | 4500 | 5020 |
| Removable battery | No | - |
| Fast charging | Proprietary | Proprietary |
| Wireless charging | Yes | - |
| Colours | Mystic Black, Mystic Bronze, Mystic White | Aqua Green, Arctic White, Pebble Grey, Scarlet Red |
| display |
| Screen size (inches) | 6.90 | 6.53 |
| Touchscreen | Yes | Yes |
| Resolution | 1440x3200 pixels | 1080x2340 pixels |
| Aspect ratio | 19.3:9 | 19.5:9 |
| Pixels per inch (PPI) | 508 | - |
| hardware |
| Processor | 2.4GHz octa-core (4x2.4GHz + 4x1.8GHz) | 1.8GHz octa-core (6x1.8GHz + 2x2GHz) |
| Processor make | Samsung Exynos 990 | MediaTek Helio G85 |
| RAM | 12GB | 4GB |
| Internal storage | 256GB | 64GB |
| Expandable storage | Yes | Yes |
| Expandable storage type | microSD | microSD |
| Dedicated microSD slot | No | Yes |
| Expandable storage up to (GB) | - | 512 |
| camera |
| Rear camera | 108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/3.0, 1.0-micron) + 12-megapixel (f/2.2, 1.4-micron) | 48-megapixel (f/1.79) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4) |
| Rear autofocus | Yes | Yes |
| Rear flash | Yes | Yes |
| Front camera | 10-megapixel (f/2.2, 1.22-micron) | 13-megapixel |
| Front autofocus | Yes | - |
| software |
| Operating system | Android 10 | Android 10 |
| Skin | One UI | MIUI 11 |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac/ax | 802.11 a/b/g/n |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 |
| NFC | Yes | Yes |
| USB Type-C | Yes | Yes |
| Infrared | - | Yes |
| Headphones | - | 3.5mm |
| Number of SIMs | - | 2 |
| sensors |
| Face unlock | Yes | Yes |
| In-Display Fingerprint Sensor | Yes | - |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometer | Yes | - |
| Fingerprint sensor | - | Yes |
| ratings |
| Overall NDTV Rating | - | Read Review |
| Design Rating | - | |
| Display Rating | - | |
| Software Rating | - | |
| Performance Rating | - | |
| Battery Life Rating | - | |
| Camera Rating | - | |
| Value for Money Rating | - | |
| sim 1 |
| SIM Type | - | Nano-SIM |
| GSM/CDMA | - | GSM |
| 3G | - | Yes |
| 4G/ LTE | - | Yes |
| sim 2 |
| SIM Type | - | Nano-SIM |
| GSM/CDMA | - | GSM |
| 3G | - | Yes |
| 4G/ LTE | - | Yes |