Samsung Galaxy Z Fold3 5G vs. Samsung Galaxy S21 FE 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy Z Fold3 5G and Samsung Galaxy S21 FE 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy Z Fold3 5G vs. Samsung Galaxy S21 FE 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-F926B/DS SM-G990B/DS
Form Factor Folder - touch screen, dual screen Touch
Height 158.2 mm 155.7 mm Samsung Galaxy Z Fold3 5G has greater height than Samsung Galaxy S21 FE 5G.
Width 67.1 mm 74.5 mm Samsung Galaxy S21 FE 5G has greater width than Samsung Galaxy Z Fold3 5G.
Depth 16 mm 7.9 mm Samsung Galaxy S21 FE 5G is narrower than Samsung Galaxy Z Fold3 5G.
Weight 271 g 177 g Samsung Galaxy S21 FE 5G is lighter than Samsung Galaxy Z Fold3 5G.
Dimensions Details Folded - 67.1 mm x 16 mm x 158.2 mm
Unfolded - 128.1 mm x 6.4 mm x 158.2 mm
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Body Colour Phantom black | Phantom silver | Phantom Green Olive | Graphite | White | Lavender
Body Material Aluminium, Corning Gorilla Glass Victus -
Protection Water-resistant Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) Yes - Samsung Galaxy Z Fold3 5G is waterproof.
IP rating IPX8 IP68
Repairability Index 7.8 (out of 10) -
SAR Value 1.036 W/kg (head), 1.443 W/kg (body) 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM, Electronic SIM card (e-SIM) Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Display Type OLED display OLED display
Display Technology Infinity Flex Dynamic AMOLED 2X Infinity-O Dynamic AMOLED 2X
Foldable Display Yes -
Display Design Inward folding -
Screen Size (Display Size) 7.6" 6.4" Samsung Galaxy Z Fold3 5G has larger screen size than Samsung Galaxy S21 FE 5G.
Screen Resolution (Display Resolution) 2208 x 1768 pixels 2340 x 1080 pixels Samsung Galaxy Z Fold3 5G has better screen resolution than Samsung Galaxy S21 FE 5G.
Display Format QXGA+ Full HD+
Pixel Density 374 ppi 401 ppi Samsung Galaxy S21 FE 5G has better pixel density than Samsung Galaxy Z Fold3 5G.
Aspect Ratio 22.5:18 -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR Yes - Samsung Galaxy Z Fold3 5G has HDR.
HDR Technology HDR10+ HDR10+
Display Enhancement Technology - Eye Comfort Shield
Display Refresh Rate 120 Hz 120 Hz Both phones have the same refresh rate.
Display Features AOD(Always On Display), flex screen, Edge Lighting AOD(Always On Display), Infinity O display, Video Wallpaper
Display Protection (Screen Protector) Samsung Ultra Thin Glass Corning Gorilla Glass Victus (scratch resistant glass)
SECOND DISPLAY
Second Display Type OLED display - colour -
Second Display Screen Size 6.2" -
Second Display Resolution 2268 x 832 pixels -
Second Display Colour Depth 16.7 million colours -
UNFOLDED DISPLAY
Unfolded Display Screen Size 7.6 in -
Unfolded Display Resolution 2208 x 1768 pixels -
PROCESSOR Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Processor Type (CPU) Qualcomm Snapdragon 888 5G -
Clock Speed 2.84 GHz 2.84 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
MEMORY Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
RAM 12 GB 6 GB Samsung Galaxy Z Fold3 5G has more RAM than Samsung Galaxy S21 FE 5G.
Internal Memory Size (Storage Capacity) 256 GB 128 GB Samsung Galaxy Z Fold3 5G has more internal memory than Samsung Galaxy S21 FE 5G.
User Memory 215.7 GB 101.1 GB
Memory Interface UFS 3.1 -
CAMERA Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 12 Megapixel 12 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/1.76"
Lens Type Ultra wide-angle lens Wide-angle lens
Lens Aperture F/2.2 F/1.8 Samsung Galaxy S21 FE 5G has better lens aperture than Samsung Galaxy Z Fold3 5G.
Field of View (FoV) 123 degree(s) 79 degree(s) Samsung Galaxy Z Fold3 5G has larger lens field of view than Samsung Galaxy S21 FE 5G.
Pixel Size 1.12 μm 1.8 μm Samsung Galaxy S21 FE 5G has larger camera pixel size than Samsung Galaxy Z Fold3 5G.
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Optical Zoom 2x 3x Samsung Galaxy S21 FE 5G has better optical zoom than Samsung Galaxy Z Fold3 5G.
Digital Zoom 10x 30x Samsung Galaxy S21 FE 5G has better digital zoom than Samsung Galaxy Z Fold3 5G.
Self-Timer Delay Yes -
Special Effects Auto HDR, Grid Line, Motion photos Face retouch, Grid Line
HDR Mode - Auto HDR mode
Camera Modes Panorama, Slow motion mode, Pro mode, selfie mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Portrait, Night, Mountain, Single Take, Pro Video, NIGHT HYPERLAPSE, Portrait video, Director's View Night mode, portrait mode
Face Recognition (Face ID) Face detection - Samsung Galaxy Z Fold3 5G has face detection.
Light Source High CRI 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 30 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) Playback zoom, blink detection, QR-code scanner, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, AR sticker, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Super steady, Zoom-In Mic, HEIF image capture, AR Doodle, Microphone Control, HEVC (High Efficiency Video coding), Dual preview, Auto framing, Capture View mode, Corning Gorilla Glass DX (protective lens glass) Dual recording
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 12 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/1.8 F/2.2 Samsung Galaxy Z Fold3 5G has better second camera lens aperture than Samsung Galaxy Z Fold3 5G.
Field of View (2nd Camera) 83 degree(s) 123 degree(s) Samsung Galaxy S21 FE 5G has larger second camera lens field of view than Samsung Galaxy Z Fold3 5G.
Pixel Size (2nd Camera) 1.8 μm 1.12 μm Samsung Galaxy Z Fold3 5G has larger second camera pixel size than Samsung Galaxy S21 FE 5G.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy Z Fold3 5G has optical stabilisation of the second camera.
Camera Features (2nd Camera) Dual Pixel AF -
THIRD CAMERA
Sensor Resolution (3rd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy Z Fold3 5G has higher resolution third camera than Samsung Galaxy S21 FE 5G.
Lens Type (3rd Camera) Telephoto lens Telephoto lens
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Field of View (3rd Camera) 45 degree(s) 32 degree(s) Samsung Galaxy Z Fold3 5G has larger third camera lens field of view than Samsung Galaxy S21 FE 5G.
Pixel Size (3rd Camera) 1 μm 1 μm Both phones have the same third camera pixel size.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy Z Fold3 5G has optical stabilisation of the third camera.
Camera Features (3rd Camera) Phase Detect Auto-Focus (PDAF) Space Zoom x30
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 10 Megapixel 32 Megapixel Samsung Galaxy S21 FE 5G has better front camera resolution than Samsung Galaxy Z Fold3 5G.
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Field of View (Front) 80 degree(s) 81 degree(s) Samsung Galaxy S21 FE 5G has larger front lens field of view than Samsung Galaxy Z Fold3 5G.
Pixel Size (Front) 1.22 μm 0.8 μm Samsung Galaxy Z Fold3 5G has larger front camera pixel size than Samsung Galaxy S21 FE 5G.
Focus Adjustment - Focus free
Special Effects (Front) Auto HDR, Grid Line -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 4 Megapixel -
Lens Aperture (2nd Front) F/1.8 -
Field of View (2nd Front) 80 degree(s) -
Pixel Size (2nd Front) 2 μm -
BATTERY AND CHARGING Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Battery Capacity (Battery Size) 4400 mAh 4500 mAh Samsung Galaxy S21 FE 5G has larger battery capacity than Samsung Galaxy Z Fold3 5G.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging Samsung Fast Charging Both phones have fast charging technology.
Wireless Charging Yes Yes Both phones can be charged wirelessly.
Wireless Charging Standards WPC, PMA, Qi, Fast Wireless Charging, Wireless PowerShare Wireless PowerShare
Talk Time 2040 minutes 2220 minutes Samsung Galaxy S21 FE 5G has longer battery life when making calls than Samsung Galaxy Z Fold3 5G.
Run Time Details Active online usage (LTE): up to 12 hrs
Active online usage (Wi-Fi): up to 12 hrs
Playback (wireless video): up to 18 hrs
Playback (wireless audio): up to 63 hrs
Talk (4G): up to 2040 min
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 Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System Android 10 Android 12
Intelligent Assistant Bixby Bixby
Payment Technology Samsung Pay Samsung Pay
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Data Transmission FDD-LTE, TDD-LTE, LAA, 5G NR FR1 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 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 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, n77, n78, n40 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 3700, TDD TD 3500, TDD 2300 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/ax IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.2 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Ultra-Wideband (UWB) Yes - Samsung Galaxy Z Fold3 5G has UWB wireless technology.
MEDIA Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Supported Digital Audio Standards WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, Dolby Digital sound Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Face recognition, fingerprint reader (side) Fingerprint reader
Additional Phone Features Multitasking, MIMO technology, notification flashlight, Samsung KNOX, Split Screen, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Samsung Smart Switch, dual battery, Flex mode, Multi Active Window, Bluetooth Scalable Codec, S Pen support MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode
OTHERS Samsung Galaxy Z Fold3 5G Samsung Galaxy S21 FE 5G
Included Accessories SIM card removal tool, USB-C cable SIM card removal tool, USB-C cable
Compliant Standards VDE, IPX8 IP68
Max Depth of Water Resistance 1.5 m 1.5 m
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