| 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 | 6.10-inch | 6.80-inch |
| Processor | Apple A15 Bionic | Samsung Exynos 2100 |
| Front Camera | 12-megapixel | 40-megapixel |
| Rear Camera | 12-megapixel + 12-megapixel | 108-megapixel + 12-megapixel + 10-megapixel + 10-megapixel |
| Storage | 128GB, 256GB, 512GB | 128GB, 256GB, 512GB |
| OS | iOS 15 | Android 11 |
| Resolution | 1170x2532 pixels | 1440x3220 pixels |
| RAM | - | 12GB, 16GB |
| Battery Capacity | - | 5000mAh |
| general |
| Brand | Apple | Samsung |
| Model | iPhone 13 | Galaxy S21 Ultra |
| Release date | September 14, 2021 | January 14, 2021 |
| Launched in India | Yes | - |
| Form factor | Touchscreen | Touchscreen |
| Dimensions (mm) | 146.70 x 71.50 x 7.65 | 165.10 x 75.60 x 8.90 |
| Weight (g) | 174.00 | 228.00 |
| IP rating | IP68 | IP68 |
| Fast charging | Proprietary | Proprietary |
| Wireless charging | Yes | Yes |
| Colours | Starlight, Midnight, Blue, Pink, (PRODUCT)RED | Phantom Titanium, Phantom Navy, Phantom Brown |
| Battery capacity (mAh) | - | 5000 |
| display |
| Screen size (inches) | 6.10 | 6.80 |
| Touchscreen | Yes | Yes |
| Resolution | 1170x2532 pixels | 1440x3220 pixels |
| Pixels per inch (PPI) | 460 | 515 |
| Protection type | - | Gorilla Glass |
| hardware |
| Processor | hexa-core | 2.2GHz octa-core (3x2.8GHz + 4x2.2GHz + 1x2.9GHz) |
| Processor make | Apple A15 Bionic | Samsung Exynos 2100 |
| Internal storage | 128GB, 256GB, 512GB | 128GB, 256GB, 512GB |
| RAM | - | 12GB, 16GB |
| camera |
| Rear camera | 12-megapixel (f/1.6) + 12-megapixel (f/2.4) | 108-megapixel (f/1.8, 0.8-micron) + 12-megapixel (f/2.2, 1.4-micron) + 10-megapixel (f/2.4, 1.22-micron) + 10-megapixel (f/4.9, 1.22-micron) |
| No. of Rear Cameras | 2 | - |
| Rear autofocus | Yes | Laser autofocus |
| Rear flash | Yes | Yes |
| Front camera | 12-megapixel (f/2.2) | 40-megapixel (f/2.2, 0.7-micron) |
| No. of Front Cameras | 1 | - |
| software |
| Operating system | iOS 15 | Android 11 |
| Skin | - | One UI 3.1 |
| connectivity |
| Wi-Fi | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac/ax | 802.11 a/b/g/n/ac/ax |
| GPS | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 |
| NFC | Yes | Yes |
| Lightning | Yes | - |
| Headphones | No | - |
| Number of SIMs | 2 | 2 |
| USB Type-C | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | Yes | Yes |
| sim 2 |
| SIM Type | eSIM | Nano-SIM |
| GSM/CDMA | GSM | GSM |
| 3G | Yes | Yes |
| 4G/ LTE | Yes | Yes |
| 5G | - | Yes |
| sensors |
| 3D face recognition | Yes | - |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometer | Yes | Yes |
| Face unlock | - | Yes |
| In-Display Fingerprint Sensor | - | Yes |