Samsung Galaxy S21 Ultra 5G
Device specification profile

Samsung Galaxy S21 Ultra 5G

Complete hardware specifications, launch details and a structured technical breakdown from the TechMyte device database.

Released 2021, January 29
227g (Sub6), 229g (mmWave), 8.9mm thickness
Android 11, up to Android 14, One UI 6.1
128GB/256GB/512GB storage, no card slot
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Sources and limitations

Specification source: GSMArena device record.

Listed specifications are reference information, not results of TechMyte testing. Rumored details may change, and hardware or supported features can differ by region. Confirm the exact model with its manufacturer before buying.

Battery capacity does not establish tested endurance; megapixel count does not establish camera quality. Use the comparison tool to identify differences, then check the features that matter to your use.

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Technical data sheet

Full Specifications

Network

TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5G
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 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
SpeedHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
5G bands2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1

Launch

Announced2021, January 14
StatusAvailable. Released 2021, January 29

Body

Dimensions165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
Weight227 g (Sub6), 229 g (mmWave) (8.01 oz)
SIMNano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame

Battery

TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
Charging25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless

Display

Size6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
Resolution1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
ProtectionCorning Gorilla Glass Victus

Platform

OSAndroid 11, upgradable to Android 14, One UI 6.1
ChipsetExynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPUOcta-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
GPUMali-G78 MP14 - InternationalAdreno 660 - USA/China

Memory

Card slotNo
Internal128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM

Selfie camera

Single40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS

Sound

Loudspeaker Yes, with stereo speakers
3.5mm jack No

Comms

WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth5.2, A2DP, LE
PositioningGPS, GLONASS, BDS, GALILEO
NFCYes
RadioFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.2, OTG

Features

SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Misc

ColorsPhantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Price$ 257.95 / € 318.47 / £ 264.00 / ₹ 61,999
ModelsSM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
SAR EU0.71 W/kg (head)     1.58 W/kg (body)    
SAR0.77 W/kg (head)     1.02 W/kg (body)    

Main Camera

FeaturesLED flash, auto-HDR, panorama
Quad108 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

Tests

PerformanceAnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)
Display1023 nits max brightness (measured)
CameraPhoto / Video
Loudspeaker-25.5 LUFS (Very good)
Battery (old)Endurance rating 114h