Released 2021-01-29
Samsung Galaxy S21 Ultra
The Samsung Galaxy S21 Ultra features a 6.8-inch Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) display with 120Hz refresh rate. It uses the Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China processor. Storage options include 128GB, 256GB, 512GB. Rear cameras: 108 MP. Battery capacity is 5000 mAh, with 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless charging. It runs Android 11, up to 4 major Android upgrades, One UI 6.1.
Price in Nigeria
₦612,000
- 6.8-inch Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) · 120Hz
- Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
- 8GB RAM, 12GB RAM,16GB RAM, · 128GB, 256GB, 512GB
- 5000 mAh · 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
Owner Score
How people who own the Galaxy S21 Ultra rate it, from 151 public comments.
At launch
76
151 mentions
Now
—
Not enough feedback
Breakdown by aspect
Category median: 78 · Updated 20 Sep 2026
Medium confidenceScores are calculated from assessed owner comments and adjusted against the median for this category.
Full Specifications
| LAUNCH DATE | |
|---|---|
| Announced | January 29, 2021 |
| Released | 2021-01-29 |
| Status | Available |
| NETWORK | |
| Technology | 5G/4G/LTE/GSM |
| 3G Bands | Not supported |
| Speed | LTE, 5G |
| BODY | |
| 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) |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame |
| SIM | Nano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| DISPLAY | |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) |
| Size | 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) |
| Screen-to-body | ~89.8% |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) |
| Refresh Rate | 120Hz |
| Brightness | 1500 nits (peak) |
| Protection | Corning Gorilla Glass Victus |
| PLATFORM | |
| OS | Android 11, up to 4 major Android upgrades, One UI 6.1 |
| Chipset | Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China |
| CPU | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
| MEMORY | |
| Card slot | No |
| RAM | 8GB RAM, 12GB RAM,16GB RAM, |
| Internal | 128GB, 256GB, 512GB |
| Storage/RAM variants | 128GB, 256GB, 512GB; 8GB RAM, 12GB RAM,16GB RAM, |
| MAIN CAMERA | |
| Main camera | 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2 |
| Features | Laser AF, LED flash, auto-HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| SELFIE CAMERA | |
| Selfie camera | 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF |
| Features | HDR |
| Video | 4K@30/60fps, 1080p@30fps |
| SOUND | |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm jack | No |
| COMMUNICATION | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
| Bluetooth | 5.2, A2DP, LE |
| Positioning | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes |
| Radio | FM radio (Snapdragon model only; market/operator dependent) |
| USB | USB Type-C 3.2, OTG |
| FEATURES | |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| BATTERY | |
| Type | Li-Ion 5000 mAh |
| Charging Type | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| ADDITIONAL INFORMATION | |
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy |
| Models | SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980 |
| Price in Nigeria | ₦612,000 |
| SECURITY | |
| Security | Biometric security: Fingerprint (under display, ultrasonic). |
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