| NETWORK | Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| LAUNCH | Announced | 2021, January 14 |
| Status | Available. Released 2021, January 29 | |
| BODY | Dimensions | 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) |
| Weight | 169 g (Sub6), 171 g (mmWave) (5.96 oz) | |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | |
| Sim | Single SIM (Nano-SIM) or Dual SIM (2 Nano-SIMs + eSIM, dual stand-by) | |
| IP68 dust/water resistant (up to 1.5m for 30 mins) | ||
| DISPLAY | Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) |
| Size | 6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio) | |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) | |
| Protection | Corning Gorilla Glass Victus | |
| Always-on display | ||
| PLATFORM | OS | Android 11, One UI 3.1 |
| Chipset | Exynos 2100 (5 nm) - International | |
| Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China 2 | ||
| CPU | 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 | ||
| GPU | Mali-G78 MP14 - International | |
| Adreno 660 - USA/China | ||
| MEMORY | Card Slot | No |
| Internal | 256GB 8GB RAM | UFS 3.1 | |
| MAIN | Triple | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS |
| CAMERA | 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom | |
| 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video | ||
| 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 | Single | 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF |
| CAMERA | Features | Dual video call, Auto-HDR |
| Video | 4K@30/60fps, 1080p@30fps | |
| SOUND | Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No | |
| 32-bit/384kHz audio | Tuned by AKG | ||
| COMMS | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | |
| Radio | FM radio (Snapdragon model only; market/operator dependent) | |
| USB | USB Type-C 3.2, USB On-The-Go | |
| FEATURES | Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| Bixby natural language commands and dictation | ||
| Samsung DeX, Samsung Wireless DeX (desktop experience support) | ||
| Samsung Pay (Visa, MasterCard certified) | ||
| BATTERY | Type | Li-Ion 4000 mAh, non-removable |
| Charging | Fast charging 25W | |
| USB Power Delivery 3.0 | ||
| Fast Qi/PMA wireless charging 15W | ||
| Reverse wireless charging 4.5W | ||
| MISC | Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Models | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q | |
| SAR EU | 0.46 W/kg (head) 1.51 W/kg (body) |