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Samsung Galaxy S21 FE (SM-G9900 256GB) vs Xiaomi Poco X3 GT (256GB)

Side by side comparison between Samsung Galaxy S21 FE vs Xiaomi Poco X3 GT phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Poco X3 GT X Samsung Galaxy S21 FE (SM-G9900 256GB) 20Points
6.4"
AMOLED

1080x2400

12.2
MP

32mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
05Points Xiaomi Poco X3 GT (256GB) Compare Samsung Galaxy S21 FE X
6.6"
IPS

1080x2400

64
MP

16mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G9900 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!

Galaxy S21 FE (SM-G9900 256GB)} 20 Advantages Samsung Galaxy S21 FE (SM-G9900 256GB) vs Poco X3 GT (256GB)} 5 Advantages Xiaomi Poco X3 GT (256GB)
+2.9GHz 64bit Octa-core (5nm)8%
More powerful processor, you can open your applications faster
vs2.6GHz 64bit Octa-core (6nm)
+8GB LPDDR5Advantage
This RAM type is better and more efficient.
vs8GB LPDDR4X
+177 grams (6.2 ounces)9%
Lighter
vs193 grams (6.76 ounces)
+7.9 millimeters (0.31 inches)13%
Thinner
vs8.9 millimeters (0.35 inches)
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsHDR10
+411 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs399 PPI
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/1.76" inches12%
The larger sensor camera lets you take photos with better depth.
vs1/1.97" inches
+(front) 32MP101%
Higher resolution secondary camera to take pictures and selfies
vs(front) 16MP
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 12
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+Qi wireless chargingAdvantage
Wireless charging is another way to charge the battery.
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsIP53 certified
6.4"vs+6.6"3%
Larger screen
(triple camera) 12.2MP + 12MP + 8MPvs+(triple camera) 64MP + 8MP + 2MP130%
Higher resolution main camera
4500 mAhvs+5000 mAh11%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
25Wvs+67W168%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster

29 Common items in both devices
256GB (215GB available) / 256GB (230GB available)
UFS 3.1
120Hz
16 million
1080x2400 pixels
LED flash
PDAF: phase detection autofocus
+22 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-G9900 256GB)Xiaomi Poco X3 GT (256GB)
ModelGalaxy S21 FE (SM-G9900 256GB)Poco X3 GT (256GB)
Other model namesGalaxy S21 FE 5G SM-G9900 Dual-SIM (Exynos)POCO X3 GT (21061110AG)
Country or region availableChina
China
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release date1/7/2022, Announced: 1/4/20228/19/2021, Announced: 7/28/2021
Depth7.9 millimeters (0.31 inches)8.9 millimeters (0.35 inches)
Size (width x height)74.5 x 155.7 millimeters (2.93 x 6.13 in)75.9 x 163.3 millimeters (2.99 x 6.43 in)
Weight177 grams (6.2 ounces)193 grams (6.76 ounces)
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantIP53 certified: protection against dust and splashing

📲 Display

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.4" inches6.6" inches
Screen-to-body ratio~85.3% (screen-to-body ratio)~84.9% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)411 PPI399 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass Victus
Refresh rate120Hz120Hz
Display features1300nits[peak]
HDR10+
Always-On Display
450nits[typ]
HDR10

🤖 Operating System

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
System versionAndroid 12Android 11
Firmware updateAndroid 14Android 12
User InterfaceOne UI 4.1 / 5.1 / 6.0MIUI 12.5 / 13

⚙️ Processor

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
Chipset64bit: Samsung Exynos 2100 (5nm)64bit: MediaTek Dimensity 1100 (MT6891Z) (6nm)
CPUOcta-core, 3 processors:
1x 2.9GHz ARM Cortex-X1 (Single-core)
3x 2.8GHz ARM Cortex-A78 (Triple-core)
4x 2.2GHz ARM Cortex-A55 (Quad-core)
Octa-core, 2 processors:
4x 2.6GHz ARM Cortex-A78 (Quad-core)
4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controllerARM Mali-G78 MP14 (854MHz)ARM Mali-G77 MC9 (836MHz)
Performance (benchmark)feature not registeredAnTuTu: 506800 (v8), 578505 (v9)
Geekbench: 2310 (v5.1)
GFXBench: 38fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
RAM memory8GB LPDDR58GB LPDDR4X
Internal storage256GB (215GB available)
UFS 3.1
256GB (230GB available)
UFS 3.1
External storageNot supportedNot supported

📶 Mobile networks

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
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 networkCDMA 800, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28)
TD-LTE (38, 40, 41, 42)
VoLTE
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79)SA/NSA (1, 3, 28, 41, 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, 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 850/900/1900/2100UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28)
TD-LTE (38, 40, 41, 42)
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

📷 Camera

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
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)
64 megapixels
8MP ultrawide f/2.2120°1/4"1.12µm
2MP macro f/2.4
Main camera resolution4032x3024 pixels10120x6328 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.76" inches1/1.97" inches
Pixel size1.8µm pixel0.7µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras4K@30/60fps
1080p@30/60fps
1080p@240fps (slow motion)
720p@960fps (slow motion)
feature not registered

📸 Front camera

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
Front camera (secondary)32 megapixels16 megapixels
Front camera resolution6528x4896 pixels4608x3456 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.5 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.74" inches1/3.06" inches
Pixel size0.8µm pixel1µm pixel

🔉 Sound and multimedia

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Stereo sound with dual speakers
24-bit/192kHz
Tuned by JBL
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-G9900 256GB)Xiaomi Poco X3 GT (256GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C jack with 3.5mm jack adapter
TV outputUSB Type-C SlimPort®USB Type-C (reversible)
Bluetooth5.0 + 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
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh5000 mAh
Charger, watts25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
67W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless charging15W Qi wireless charging
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (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: Graphite, White, Lavender, Olive• Colors: Black, Wave Blue, Cloud White
• Protective case included

☢️ Radiation rate

Galaxy S21 FE (SM-G9900 256GB)Xiaomi Poco X3 GT (256GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.674W/kg (head), 1.501W/kg (body)feature not registered
X

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