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Samsung Galaxy S21 Ultra (SM-G998U1 256GB) vs Samsung Galaxy S21 Ultra (SM-G998N 256GB)

Side by side comparison between Galaxy S21 Ultra (SM-G998U1 256GB) vs Galaxy S21 Ultra (SM-G998N 256GB) phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S21 Ultra XSamsung Galaxy S21 Ultra (SM-G998U1 256GB)03Points
Samsung Galaxy S21 Ultra (SM-G998U1 256GB)
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
00PointSamsung Galaxy S21 Ultra (SM-G998N 256GB)Compare Samsung Galaxy S21 Ultra X
Samsung Galaxy S21 Ultra (SM-G998N 256GB)
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998U1 256GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!


58 Common items in both devices
12GB LPDDR5
256GB (220GB available)
UFS 3.1
227 grams (7.95 ounces)
8.9 millimeters (0.35 inches)
Aluminum frame, glass front/back
Dynamic AMOLED
+51 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight

📱 Model features

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
ModelGalaxy S21 Ultra (SM-G998U1 256GB)Galaxy S21 Ultra (SM-G998N 256GB)
Other model namesGalaxy S21 Ultra 5G (SM-G998U1) Unlocked갤럭시 S21 Ultra 5G (SM-G998N Single-SIM)
Country or region availableUSA
USA
South Korea
South Korea
BrandSamsungSamsung
Release date1/29/2021, Announced: 1/14/20211/29/2021, Announced: 1/14/2021
Depth8.9 millimeters (0.35 inches)8.9 millimeters (0.35 inches)
Size (width x height)75.6 x 165.1 millimeters (2.98 x 6.5 in)75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight227 grams (7.95 ounces)227 grams (7.95 ounces)
Build, materialsAluminum frame, glass front/backAluminum frame, glass front/back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

🤖 Operating System

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
System versionAndroid 11Android 11
Firmware updateAndroid 13Android 13
User InterfaceOne UI 3.1 / 4.1 / 5.0One UI 3.1 / 4.1 / 5.0

⚙️ Processor

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Chipset64bit - Qualcomm Snapdragon 888 (SM8350) (5nm)64bit - Samsung Exynos 2100 (5nm)
CPUOcta-Core, 3 processors:
2.84GHz Single-Core Kryo 680
2.42GHz Triple-Core Kryo 680
1.8GHz Quad-Core Kryo 680
Octa-Core, 3 processors:
2.9GHz Single-Core ARM Cortex-X1
2.8GHz Triple-Core ARM Cortex-A78
2.2GHz Quad-Core ARM Cortex-A55
GPU graphical controllerQualcomm Adreno 660 (840MHz)ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)AnTuTu: 681099 (v8), 809165 (v9)
Geekbench: 3539 (v5.2)
GFXBench: 54fps (ES 3.1 onscreen)
AnTuTu: 657150 (v8), 727634 (v9)
Geekbench: 3457 (v5.2)
GFXBench: 51fps (ES 3.1 onscreen)

💽 Memory and storage

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
RAM memory12GB LPDDR512GB LPDDR5
Internal storage256GB (220GB available)
UFS 3.1
256GB (220GB available)
UFS 3.1
External storageNot supportedNot supported

📲 Display

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Display typeDynamic AMOLEDDynamic AMOLED
Screen size6.8" inches6.8" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~89.4% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)1440x3200 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)516 PPI516 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass Victus
Refresh rate120Hz120Hz
Display features1500nits[peak]
HDR10+
Always-On Display
1500nits[peak]
HDR10+
Always-On Display

📶 Mobile networks

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload5000/1920 Mbps5000/1920 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkSA/NSA/Sub6 (2, 5, 25, 41, 66, 71)
mmWave (260, 261)
SA/NSA/Sub6 (77, 78)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NRGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkCDMA 800/1900, GSM 850/900/1800/1900Not supported
Secondary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Not supported
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NRNot supported

📷 Camera

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Back camera (main camera)(quad camera)
108 megapixels
10MP periscope telephotof/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephotof/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawidef/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
(quad camera)
108 megapixels
10MP periscope telephotof/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephotof/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawidef/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution12000x9000 pixels12000x9000 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.33" inches1/1.33" inches
Pixel size1.8µm pixel1.8µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS: Optical stabilization
ZoomDigital and optical zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo/video on both cameras
Camera extras4K@60fps
1080p@240fps
720p@960fps
4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Front camera (secondary)40 megapixels40 megapixels
Front camera resolution7296x5472 pixels7296x5472 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/2.8" inches
Pixel size0.7µm pixel0.7µm pixel

🔉 Sound and multimedia

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Stereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 3.2 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C reversible connector
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.2 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
SensorsAccelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh5000 mAh
Charger, watts25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous- Colors: Phantom Black, Silver, Titanium, Navy, Brown
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- Stylus pen support
- Colors: Phantom Black, Silver, Titanium, Navy, Brown
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- Stylus pen support

☢️ Radiation rate

Samsung Galaxy S21 Ultra (SM-G998U1 256GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.77W/kg (head), 1.02W/kg (body)0.489W/kg (head), 1.1W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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