Samsung Galaxy S21 Ultra 5G

Specifications
Samsung Galaxy S21 Ultra 5G
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  • 6.8" 1440x3200 pixels
  • 108MP 4320p
  • 12/16GB RAM Exynos 2100
  • 5000mAh 25W15W
Released 2021, January 29 227g (Sub6), 229g (mmWave), 8.9mm thickness Android 11, up to Android 14, One UI 6 128GB/256GB/512GB storage, no card slot
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Versions: SM-G998B, SM-G998B/DS (International); SM-G998U (USA); SM-G998U1 (USA unlocked); SM-G998W (Canada); SM-G998N (Korea); SM-G9980 (China)

Network
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
  CDMA 800 / 1900 & TD-SCDMA
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  CDMA2000 1xEV-DO
4G bands 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
  1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B
5G bands 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
  1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
Speed HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
Launch
Announced 2021, January 14
Status Available. Released 2021, January 29
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 and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)
 IP68 dust/water resistant (up to 1.5m for 30 min)
Stylus support
Display
Type Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
Size 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
Resolution 1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Protection Corning Gorilla Glass Victus
 Always-on display
Platform
OS Android 11, upgradable to Android 14, One UI 6
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
Internal 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
 UFS 3.1
Main Camera
Quad 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, 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/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, 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 Camera
Single 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
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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/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
 Samsung DeX, Samsung Wireless DeX (desktop experience support)
Ultra Wideband (UWB) support
Battery
Type Li-Ion 5000 mAh, non-removable
Charging 25W wired, PD3.0
15W wireless (Qi/PMA)
4.5W reverse wireless
Misc
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
SAR 0.77 W/kg (head)     1.02 W/kg (body)    
SAR EU 0.71 W/kg (head)     1.58 W/kg (body)    
Price $ 301.49 / C$ 469.94 / £ 268.50 / € 405.00 / ₹ 67,990
Tests
Performance AnTuTu: 657150 (v8)
GeekBench: 3518 (v5.1)
GFXBench: 33fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal)
Camera Photo / Video
Loudspeaker -25.5 LUFS (Very good)
Battery (old) Endurance rating 114h
Samsung Galaxy S21 Ultra 5G 128GB 12GB RAM 256GB 12GB RAM 512GB 16GB RAM

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User opinions and reviews

Probably because this phone is a few years old at this point. But in my opinion the S21U is still a good buy.

It has two more updates left I believe (1 OS, 1 security)

  • Geometry dash 2.2
  • 13 hours ago
  • Kec

Does it support android 15?

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