Updated : Jul 14, 2026, 8:00 AM

Samsung Galaxy S21 Ultra

Full Specifications

Released · Jan 29, 2021

6.8-inch · 3200x1440px

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This device is also known as Samsung SM-G998U1

9.1

Read Samsung Galaxy S21 Ultra Review

8.6

Read All User Reviews

I want it 2 users

I have it 10 users

I had it 21 users

Deals

Refurb Deal

$1200

$650

Availability
Officially announced	Jan 14, 2021
Prices (MSRP)	12GB/128GB - $1200 \| €1399 12GB/256GB - $1250 16GB/512GB - $1380

Design
Dimensions	6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump) 165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
Weight	8.04 oz / 229.0 g Europe version - 227 g
Materials	Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum
Resistance	Water, Dust; IP68
Biometrics	2D Face unlock, Ultrasonic in-screen fingerprint
Keys	Right: Volume control, Lock/Unlock key
Colors	Phantom black, Silver

Display
Size	6.8-inch, 89.33% screen-to-body
Type	Dynamic AMOLED, 120Hz, HDR, 1500 nits
Resolution	3200x1440px, 20:9 ratio, 516 PPI
Protection	Corning Gorilla Glass Victus

PhoneArena Display Test
Bright Max (20% APL)	Untested
Bright Min	1.5 (Good)
Learn more on our PhoneArena Display Test Results page.

Hardware
System chip	Snapdragon 888 SM8350 (5 nm) Europe version - Exynos 2100 S5E9840
Processor	Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680 Europe version - Octa-core, 1x2.91GHz Cortex-X1, 3x2.81GHz Cortex-A78, 4x2.2GHz Cortex-A55
GPU	Adreno 660 Europe version - Mali-G78 MP14
Memory	12GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB 16GB/512GB
Storage expansion	not expandable
OS	Android (14, 13, 12, 11)

PhoneArena Performance Test
GeekBench 6 Single	1117
GeekBench 6 Multi	3312
3D Mark High	1963
3D Mark Low	1179
Learn more on our PhoneArena Performance Test Results page.

Battery
Type	5000 mAh, Li - Polymer
Charging	Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging
Charge speed	Wired: 25.0W Wireless: 15.0W

PhoneArena Battery Test
Battery Life Estimate:	6h 15min
Browsing:	14h 43min
Gaming:	8h 40min
Video:	8h 52min
Learn more on our PhoneArena Battery Test Results page.

Camera
Rear	Quad camera
Main camera	108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm
Second camera	12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Third camera	10 MP (Telephoto, OIS, PDAF) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Fourth camera	10 MP (Telephoto, Periscope, OIS, PDAF) Optical zoom: 10.0x Aperture size: F2.4 Focal Length: 70 mm Sensor size: 1/3.2" Pixel size: 1.22 μm
Flash	LED
Video recording	8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) OIS, HDR, Hyperlapse, Video light, EIS
Front	40 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)

Connectivity & Features
Bluetooth	5.1
WLAN	Wi-Fi 6,dual-band MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB	Type-C, USB 3.2
Sensors	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible	M3/T3
Location	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other	NFC, ANT+

Multimedia
Headphones	No 3.5mm jack
Speakers	Earpiece, Multiple speakers
Features	32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Cellular
5G Bands	n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71
TDD Bands	38, 39, 40, 41, 46, 48
3G Bands	1, 2, 4, 5, 8
Data Speed	LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type	Nano SIM

Regulatory Approval
FCC approval	Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U
Measured SAR	Head: 0.77 W/kg Body: 1.02 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.16 W/kg Phablet: 3.15 W/kg

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Overall User Rating

(8 reviews)

8.6

1 person recommends this phone.

Build quality

8.9

Camera quality

8.4

Performance

9.4

Display

9.6

Battery life and charging

8.3

Value for money

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Availability

Design

Display

Hardware

Battery

Camera

Connectivity & Features

Multimedia

Cellular

Regulatory Approval