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Samsung Galaxy S20 FE 5G (SM-G781U 128GB) vs Samsung Galaxy S20 FE 5G (SM-G781B)

Side by side comparison between Galaxy S20 FE 5G (SM-G781U 128GB) vs Galaxy S20 FE 5G (SM-G781B) phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S20 FE 5G X Samsung Galaxy S20 FE 5G (SM-G781U 128GB) 00Point
6.5"
AMOLED

1080x2400

12.2
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
00Point Samsung Galaxy S20 FE 5G (SM-G781B) Compare Samsung Galaxy S20 FE 5G X
6.5"
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).


53 Common items in both devices
2.84GHz 64bit Octa-core (7nm)
6GB LPDDR5
128GB (103GB available)
UFS 3.0
Until 1TB microSD, microSDXC
190 grams (6.65 ounces)
8.4 millimeters (0.33 inches)
+46 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 S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
ModelGalaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
Other model namesGalaxy S20 Fan Edition 5G SM-G781U (Unlocked)Galaxy S20 Fan Edition 5G SM-G781B Single-SIM
Country or region availableUSA
USA
Australia
Australia
BrandSamsungSamsung
Release date10/2/2020, Announced: 9/23/202010/2/2020, Announced: 9/23/2020
Depth8.4 millimeters (0.33 inches)8.4 millimeters (0.33 inches)
Size (width x height)74.5 x 159.8 millimeters (2.93 x 6.29 in)74.5 x 159.8 millimeters (2.93 x 6.29 in)
Weight190 grams (6.65 ounces)190 grams (6.65 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 S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
Display typeSuper AMOLEDSuper AMOLED
Screen size6.5" inches6.5" inches
Screen-to-body ratio~85.7% (screen-to-body ratio)~85.7% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)405 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Refresh rate120Hz120Hz
Display features700nits[typ], 1000nits[peak]
HDR10+
Always-On Display
700nits[typ], 1000nits[peak]
HDR10+
Always-On Display

🤖 Operating System

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
System versionAndroid 10Android 10
Firmware updateAndroid 13Android 13
User InterfaceOne UI 2.5 / 3.1 / 4.1 / 5.0One UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
Chipset64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 585 (Single-core)
3x 2.42GHz Kryo 585 (Triple-core)
4x 1.8GHz Kryo 585 (Quad-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 585 (Single-core)
3x 2.42GHz Kryo 585 (Triple-core)
4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controllerQualcomm Adreno 650 (250-587MHz)Qualcomm Adreno 650 (250-587MHz)
Performance (benchmark)AnTuTu: 543986 (v8)
Geekbench: 3296 (v5.1)
GFXBench: 45fps (ES 3.1 onscreen)
AnTuTu: 543986 (v8)
Geekbench: 3296 (v5.1)
GFXBench: 45fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
RAM memory6GB LPDDR56GB LPDDR5
Internal storage128GB (103GB available)
UFS 3.0
128GB (103GB available)
UFS 3.0
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-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 networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46)
VoLTE
LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 32, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkSA/NSA/Sub6 (2, 5, 41, 66, 71)SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 41, 78)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
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 extras1080p@60fps1080p@60fps

📸 Front camera

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
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 S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
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 S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
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 S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
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 S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
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: Lavender, Mint, Navy, White, Red, Orange• Colors: Lavender, Mint, Navy, White, Red, Orange

☢️ Radiation rate

Galaxy S20 FE 5G (SM-G781U 128GB)Galaxy S20 FE 5G (SM-G781B)
SAR 1.6W/kg (USA, Mexico, etc.)0.7W/kg (head), 0.82W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.503W/kg (head), 1.355W/kg (body)
Squall Leonhart <time itemprop="datePublished" datetime="2024-03-30 05:30:09Z">3/30/2024 5:30 AM</time> Misinformation, the Snapdragon variant SM-G781B has 8GB of LP-DDR5
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