| ratings |
| Overall NDTV Rating | Read Review | Read Review |
| Design Rating | | |
| Display Rating | | |
| Software Rating | | |
| Performance Rating | | |
| Battery Life Rating | | |
| Camera Rating | | |
| Value for Money Rating | | |
| key specs |
| Display | 6.20-inch | 6.39-inch |
| Processor | Samsung Exynos 2100 | HiSilicon Kirin 980 |
| Front Camera | 10-megapixel | 24-megapixel |
| Rear Camera | 12-megapixel + 12-megapixel + 64-megapixel | 40-megapixel + 20-megapixel + 8-megapixel |
| RAM | 8GB | 6GB |
| Storage | 128GB, 256GB | 128GB |
| Battery Capacity | 4000mAh | 4200mAh |
| OS | Android 11 | Android 9.0 |
| Resolution | 1080x2400 pixels | 1440x3120 pixels |
| general |
| Brand | Samsung | Huawei |
| Model | Galaxy S21 | Mate 20 Pro |
| Release date | January 14, 2021 | November 1, 2018 |
| Form factor | Touchscreen | - |
| Dimensions (mm) | 151.70 x 71.20 x 7.90 | 157.80 x 72.30 x 8.60 |
| Weight (g) | 171.00 | 189.00 |
| IP rating | IP68 | IP68 |
| Battery capacity (mAh) | 4000 | 4200 |
| Fast charging | Proprietary | Proprietary |
| Wireless charging | Yes | Yes |
| Colours | Phantom Violet | Emerald Green, Midnight Blue, Pink Gold, Twilight, Black |
| Launched in India | - | No |
| Body type | - | Glass |
| Removable battery | - | No |
| SAR value | - | 0.81 |
| display |
| Screen size (inches) | 6.20 | 6.39 |
| Touchscreen | Yes | Yes |
| Resolution | 1080x2400 pixels | 1440x3120 pixels |
| Protection type | Gorilla Glass | - |
| Aspect ratio | 20:9 | 19.5:9 |
| Pixels per inch (PPI) | 421 | - |
| hardware |
| Processor | 2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz) | octa-core (2x2.6GHz + 2x1.92GHz + 4x1.8GHz) |
| Processor make | Samsung Exynos 2100 | HiSilicon Kirin 980 |
| RAM | 8GB | 6GB |
| Internal storage | 128GB, 256GB | 128GB |
| Expandable storage | - | Yes |
| Expandable storage type | - | Nano Memory Card |
| Expandable storage up to (GB) | - | 256 |
| Dedicated microSD slot | - | No |
| camera |
| Rear camera | 12-megapixel (f/1.8, 1.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 64-megapixel (f/2.0, 0.8-micron) | 40-megapixel (f/1.8) + 20-megapixel (f/2.2) + 8-megapixel (f/2.4) |
| No. of Rear Cameras | 3 | - |
| Rear autofocus | Yes | - |
| Rear flash | Yes | Yes |
| Front camera | 10-megapixel (f/2.2, 1.22-micron) | 24-megapixel (f/2.0) |
| No. of Front Cameras | 1 | - |
| software |
| Operating system | Android 11 | Android 9.0 |
| Skin | One UI 3.1 | EMUI 9.0 |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac/ax | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 |
| NFC | Yes | Yes |
| USB Type-C | Yes | Yes |
| Number of SIMs | 2 | 2 |
| Infrared | - | Yes |
| USB OTG | - | Yes |
| Headphones | - | Type-C |
| FM | - | No |
| Active 4G on both SIM cards | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | Yes | - |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | Yes | - |
| 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 | Yes |
| 3D face recognition | - | Yes |
| Fingerprint sensor | - | Yes |