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Samsung Galaxy S21 FE (SM-G990B2/DS 128GB) vs Samsung Galaxy S21 FE (SM-G990U 128GB)

Side by side comparison between Galaxy S21 FE (SM-G990B2/DS 128GB) vs Galaxy S21 FE (SM-G990U 128GB) phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S21 FE X Samsung Galaxy S21 FE (SM-G990B2/DS 128GB) 00Point
6.4"
AMOLED

1080x2400

12.2
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
00Point Samsung Galaxy S21 FE (SM-G990U 128GB) Compare Samsung Galaxy S21 FE X
6.4"
AMOLED

1080x2400

12.2
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone?

The comparison did not identify relevant items because the devices are similar. Check the table below to identify other different features (network frequencies, region and others).


54 Common items in both devices
2.84GHz 64bit Octa-core (5nm)
6GB LPDDR5
128GB (97GB available)
UFS 3.1
177 grams (6.2 ounces)
7.9 millimeters (0.31 inches)
Aluminum body, glass front, plastic back
+47 specs and more in the table below

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

Highlight differences Clear highlight

📱 Model features

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
ModelGalaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
Other model namesGalaxy S21 FE 5G SM-G990B2/Dual-SIM (Snapdragon)Galaxy S21 FE 5G SM-G990U1 (Snapdragon)
Country or region available(Europe)
(Europe)
USA
USA
BrandSamsungSamsung
Release date1/7/2022, Announced: 1/4/20221/7/2022, Announced: 1/4/2022
Depth7.9 millimeters (0.31 inches)7.9 millimeters (0.31 inches)
Size (width x height)74.5 x 155.7 millimeters (2.93 x 6.13 in)74.5 x 155.7 millimeters (2.93 x 6.13 in)
Weight177 grams (6.2 ounces)177 grams (6.2 ounces)
Build, materialsAluminum body, glass front, plastic backAluminum body, glass front, plastic 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

📲 Display

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
Display typeDynamic AMOLEDDynamic AMOLED
Screen size6.4" inches6.4" inches
Screen-to-body ratio~85.3% (screen-to-body ratio)~85.3% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)411 PPI411 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass Victus
Refresh rate120Hz120Hz
Display features1300nits[peak]
HDR10+
Always-On Display
1300nits[peak]
HDR10+
Always-On Display

🤖 Operating System

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
System versionAndroid 12Android 12
Firmware updateAndroid 14Android 14
User InterfaceOne UI 4.1 / 5.1 / 6.0One UI 4.1 / 5.1 / 6.0

⚙️ Processor

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
Chipset64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
GPU graphical controllerQualcomm Adreno 660 (840MHz)Qualcomm Adreno 660 (840MHz)
Performance (benchmark)AnTuTu: 566529 (v8), 719696 (v9)
Geekbench: 3049 (v5.1)
GFXBench: 56fps (ES 3.1 onscreen)
AnTuTu: 566529 (v8), 719696 (v9)
Geekbench: 3049 (v5.1)
GFXBench: 56fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
RAM memory6GB LPDDR56GB LPDDR5
Internal storage128GB (97GB available)
UFS 3.1
128GB (97GB available)
UFS 3.1
External storageNot supportedNot supported

📶 Mobile networks

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/1024 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78)SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA

📷 Camera

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
Back camera (main camera)(triple camera)
12.2 megapixels
12MP ultrawide f/2.2123°13mm1/3"1.12µm
8MP telephoto f/2.476mm1/4.5"1.0µmPDAFOIS3x-optical-zoom
(triple camera)
12.2 megapixels
12MP ultrawide f/2.2123°13mm1/3"1.12µm
8MP telephoto f/2.476mm1/4.5"1.0µmPDAFOIS3x-optical-zoom
Main camera resolution4032x3024 pixels4032x3024 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps4K UHD (3840x2160) 60 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.76" inches1/1.76" inches
Pixel size1.8µm pixel1.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
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@30/60fps
1080p@30/60fps
1080p@240fps (slow motion)
720p@960fps (slow motion)
4K@30/60fps
1080p@30/60fps
1080p@240fps (slow motion)
720p@960fps (slow motion)

📸 Front camera

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
Front camera (secondary)32 megapixels32 megapixels
Front camera resolution6528x4896 pixels6528x4896 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 size1/2.74" inches1/2.74" inches
Pixel size0.8µm pixel0.8µm pixel

🔉 Sound and multimedia

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
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
RadioNot supportedNot supported
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

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
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 SlimPort®USB Type-C SlimPort®
Bluetooth5.0 + A2DP/LE5.0 + 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

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
SensorsAccelerometer
Ambient Light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient Light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4500 mAh4500 mAh
Charger, watts25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
Inductive / wireless charging15W Qi wireless charging
4.5W Reverse wireless charging
15W Qi wireless charging
4.5W Reverse wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
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: Graphite, White, Lavender, Olive• Colors: Graphite, White, Lavender, Olive

☢️ Radiation rate

Galaxy S21 FE (SM-G990B2/DS 128GB)Galaxy S21 FE (SM-G990U 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.77W/kg (head), 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.952W/kg (head), 1.48W/kg (body)feature not registered
An Step <time itemprop="datePublished" datetime="2024-01-21 20:57:25Z">1/21/2024 8:57 PM</time> It would seem that the International or EU version does not allow for Wi-Fi Calling. If I am mistaken, would really appreciate help in finding that option. Samsung USA could not help. Thanks!
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