| Samsung Galaxy S21 Ultra 5G |
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| Hardware and OS | Samsung Galaxy S21 Ultra 5G | |
| Operating system | Android 11, One UI 3.1 | |
| Processor | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) - USA/China | |
| Chipset | Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China | |
| Internal memory | 128GB 12GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM | |
| External memory | No | |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China | |
| Display | Samsung Galaxy S21 Ultra 5G | other phones |
| Size | 6.8 inches, 112.1 cm2 | |
| Resolution | 1440 x 3200 pixels, 20:9 ratio | |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10 , 1500 nits (peak) | |
| Protection | Corning Gorilla Glass Victus | |
| Main Camera | Samsung Galaxy S21 Ultra 5G | other phones |
| Features | LED flash, auto-HDR, panorama | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10 , stereo sound rec., gyro-EIS | |
| Selfie camera | Samsung Galaxy S21 Ultra 5G | other phones |
| Camera | 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF | |
| Features | Dual video call, Auto-HDR | |
| Video | 4K@30/60fps, 1080p@30fps | |
| Connectivity | Samsung Galaxy S21 Ultra 5G | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1 | |
| 5G Network | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1 | |
| Bluetooth | 5.2, A2DP, LE | |
| CDMA | CDMA 800 / 1900 & TD-SCDMA | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | |
| USB | USB Type-C 3.2, USB On-The-Go | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | |
| Multimedia | Samsung Galaxy S21 Ultra 5G | other phones |
| 3.5 mm Jack | No | |
| Loudspeaker | Yes, with stereo speakers | |
| Multimedia | 32-bit/384kHz audio Tuned by AKG | |
| Radio | FM radio (Snapdragon model only; market/operator dependent) | |
| Battery | Samsung Galaxy S21 Ultra 5G | other phones |
| Type | Li-Ion 5000 mAh, non-removable | |
| Charging | Fast charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W | |
| Design | Samsung Galaxy S21 Ultra 5G | other phones |
| Body build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | |
| Body | IP68 dust/water resistant (up to 1.5m for 30 mins) Stylus support | |
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy | |
| Dimensions | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) | |
| Weight | 227 g (Sub6), 229 g (mmWave) (8.01 oz) | |
| SIM | Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | |
| Features | Samsung Galaxy S21 Ultra 5G | other phones |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
