Realme X3 Superzoom vs. Samsung Galaxy S21 FE 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Realme X3 Superzoom and Samsung Galaxy S21 FE 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Realme X3 Superzoom vs. Samsung Galaxy S21 FE 5G Comparison Chart
DESIGN AND DIMENSIONS Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Product Type Smartphone Smartphone
Manufacturer Model Number RMX2086 SM-G990B/DS
Form Factor Touch Touch
Height 163.8 mm 155.7 mm Realme X3 Superzoom has greater height than Samsung Galaxy S21 FE 5G.
Width 75.8 mm 74.5 mm Realme X3 Superzoom has greater width than Samsung Galaxy S21 FE 5G.
Depth 8.9 mm 7.9 mm Samsung Galaxy S21 FE 5G is narrower than Realme X3 Superzoom.
Weight 202 g 177 g Samsung Galaxy S21 FE 5G is lighter than Realme X3 Superzoom.
Body Colour Glacier blue Olive | Graphite | White | Lavender
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - -
IP rating - IP68
SAR Value 0.931 W/kg (body), 0.897 W/kg (head), 1.914 W/kg (limb) 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb)
Connector Type USB Type-C USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Display Type - OLED display
Display Technology - Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 6.6" 6.4" Realme X3 Superzoom has larger screen size than Samsung Galaxy S21 FE 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2340 x 1080 pixels Realme X3 Superzoom has better screen resolution than Samsung Galaxy S21 FE 5G.
Display Format Full HD+ Full HD+
Pixel Density - 401 ppi
Colour Depth - 16.7 million colours
HDR Technology - HDR10+
Display Enhancement Technology - Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features 120Hz Ultra Smooth Display AOD(Always On Display), Infinity O display, Video Wallpaper
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Processor Type (CPU) Qualcomm Snapdragon 855+ -
Clock Speed 2.96 GHz 2.84 GHz Realme X3 Superzoom has higher clock speed than Samsung Galaxy S21 FE 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Qualcomm ADRENO 640 -
MEMORY Realme X3 Superzoom Samsung Galaxy S21 FE 5G
RAM LPDDR4X SDRAM - 12 GB 6 GB Realme X3 Superzoom has more RAM than Samsung Galaxy S21 FE 5G.
Internal Memory Size (Storage Capacity) 256 GB 128 GB Realme X3 Superzoom has more internal memory than Samsung Galaxy S21 FE 5G.
User Memory - 101.1 GB
Memory Interface UFS 3.0 -
CAMERA Realme X3 Superzoom Samsung Galaxy S21 FE 5G
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 64 Megapixel 12 Megapixel Realme X3 Superzoom has better camera resolution than Samsung Galaxy S21 FE 5G.
Sensor Size 1/1.72" 1/1.76" Samsung Galaxy S21 FE 5G has better camera sensor size than Realme X3 Superzoom.
Sensor Name Samsung GW1 Sensor -
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/1.8 F/1.8 Both phones have the same camera lens aperture.
Lens Construction 6-element -
Field of View (FoV) 78.6 degree(s) 79 degree(s) Samsung Galaxy S21 FE 5G has larger lens field of view than Realme X3 Superzoom.
Pixel Size - 1.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S21 FE 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) 26 mm -
Optical Zoom - 3x
Digital Zoom - 30x
Special Effects HDR Face retouch, Grid Line
HDR Mode - Auto HDR mode
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, AI mode, Ultra Macro Mode, Super nightscape, Ultra Wide Mode, Starry mode Night mode, portrait mode
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 3840 x 2160 (4K) at 60 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) AI Beautify, AI scene recognition, UIS Video Stabilisation, Chroma boost, UIS Max Video stabilisation, 60X Super Zoom Dual recording
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy S21 FE 5G has better second camera resolution than Realme X3 Superzoom.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.3 F/2.2 Samsung Galaxy S21 FE 5G has better second camera lens aperture than Realme X3 Superzoom.
Lens Element Qty (2nd Camera) 5-element -
Field of View (2nd Camera) 119 degree(s) 123 degree(s) Samsung Galaxy S21 FE 5G has larger second camera lens field of view than Realme X3 Superzoom.
Pixel Size (2nd Camera) - 1.12 μm
Minimum Focal Length (2nd Camera) 16 mm -
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel 8 Megapixel Both phones have the same third camera resolution.
Lens Type (3rd Camera) Telephoto lens Telephoto lens
Lens Aperture (3rd Camera) F/3.4 F/2.4 Samsung Galaxy S21 FE 5G has better third camera lens aperture than Realme X3 Superzoom.
Field of View (3rd Camera) - 32 degree(s)
Pixel Size (3rd Camera) - 1 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Realme X3 Superzoom has optical stabilisation of the third camera.
Optical Zoom 5x -
Camera Features (3rd Camera) 60x Super Zoom Space Zoom x30
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Lens Aperture (4th Camera) F/2.4 -
Pixel Size (4th Camera) 1.75 μm -
Camera Functions (4th Camera) Macro camera -
Camera Features (4th Camera) 4cm macro photography -
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 32 Megapixel 32 Megapixel Both phones have the same front camera resolution.
Sensor Name (Front) Sony Exmor RS IMX616 sensor -
Lens Aperture (Front) F/2.5 F/2.2 Samsung Galaxy S21 FE 5G has better front lens aperture than Realme X3 Superzoom.
Lens Element Qty (Front) 5-element -
Field of View (Front) 80.4 degree(s) 81 degree(s) Samsung Galaxy S21 FE 5G has larger front lens field of view than Realme X3 Superzoom.
Pixel Size (Front) - 0.8 μm
Focus Adjustment - Focus free
Special Effects (Front) Beauty effect -
Camera Modes (Front) Time-lapse mode, front-facing panorama, Portrait, Mirror mode, Super nightscape, Wide -
Face Recognition (Face ID) Face recognition - Realme X3 Superzoom has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 8 Megapixel -
Lens Aperture (2nd Front) F/2.2 -
Field of View (2nd Front) 105 degree(s) -
Camera Features (2nd Front) 5-piece lens -
BATTERY AND CHARGING Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Battery Capacity (Battery Size) 4200 mAh 4500 mAh Samsung Galaxy S21 FE 5G has larger battery capacity than Realme X3 Superzoom.
Fast Charging Technology Dart Charge Samsung Fast Charging Both phones have fast charging technology.
Wireless Charging - Yes Samsung Galaxy S21 FE 5G can be charged wirelessly.
Wireless Charging Standards - Wireless PowerShare
Talk Time - 2220 minutes
Run Time Details - Talk (LTE): up to 2220 min
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 16 hrs
Playback (audio): up to 79 hrs
CELLULAR Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 FE 5G has more advanced generation mobile network.
Operating System Android 10 Android 12
User Interface Realme UI -
Intelligent Assistant - Bixby
Payment Technology Google Pay Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Data Transmission FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Supported Digital Audio Standards - WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID
Supported Digital Video Standards - MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology, Hi-Res audio certified Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Sensors Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Fingerprint reader (side) Fingerprint reader
Additional Phone Features MIMO technology, dual microphones with noise cancellation, liquid cooling MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode
OTHERS Realme X3 Superzoom Samsung Galaxy S21 FE 5G
Included Accessories SIM card removal tool, USB-C cable, protective case, 30W Dart charger SIM card removal tool, USB-C cable
Compliant Standards - IP68
Max Depth of Water Resistance - 1.5 m
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