Detailed comparison and review of Samsung Galaxy S21 FE 5G and Samsung Galaxy Z Flip5. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G990B/DS | SM-F731B | |
| Form Factor | Touch | Folder (flip) - touch screen, dual screen | |
| Height | 155.7 mm | 165.1 mm | Samsung Galaxy Z Flip5 has greater height than Samsung Galaxy S21 FE 5G. |
| Width | 74.5 mm | 71.9 mm | Samsung Galaxy S21 FE 5G has greater width than Samsung Galaxy Z Flip5. |
| Depth | 7.9 mm | 6.9 mm | Samsung Galaxy Z Flip5 is narrower than Samsung Galaxy S21 FE 5G. |
| Weight | 177 g | 187 g | Samsung Galaxy S21 FE 5G is lighter than Samsung Galaxy S21 FE 5G. |
| Dimensions Details | - | Unfolded - 71.9 mm x 6.9 mm x 165.1 mm Folded - 71.9 mm x 15.1 mm x 85.1 mm |
|
| Body Colour | Olive | Graphite | White | Lavender | Mint | Lavender | Graphite | Cream | |
| Body Material | - | Armor aluminium, Corning Gorilla Glass Victus 2 | |
| Protection | Dustproof, splashproof, water-resistant | Water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy Z Flip5 is waterproof. |
| IP rating | IP68 | IPX8 | |
| SAR Value | 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb) | 2.34 W/kg (limb), 1.451 W/kg (body), 0.601 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | Dynamic AMOLED 2X | |
| Foldable Display | - | Yes | |
| Display Design | - | Inward folding | |
| Screen Size (Display Size) | 6.4" | 6.7" | Samsung Galaxy Z Flip5 has larger screen size than Samsung Galaxy S21 FE 5G. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2640 x 1080 pixels | Samsung Galaxy Z Flip5 has better screen resolution than Samsung Galaxy S21 FE 5G. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 22:9 | |
| Max Brightness | - | 1750 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR Technology | 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), Infinity O display, Video Wallpaper | Video Wallpaper | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | - |
| SECOND DISPLAY |
|---|
| Second Display Type | - | OLED display - colour | |
|---|---|---|---|
| Second Display Screen Size | - | 3.4" | |
| Second Display Resolution | - | 720 x 748 pixels | |
| Second Display Colour Depth | - | 16.7 million colours |
| PROCESSOR | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 8 Gen 2 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 3.36 GHz | Samsung Galaxy Z Flip5 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. |
| MEMORY | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| RAM | 6 GB | 8 GB | Samsung Galaxy Z Flip5 has more RAM than Samsung Galaxy S21 FE 5G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | Samsung Galaxy Z Flip5 has more internal memory than Samsung Galaxy S21 FE 5G. |
| User Memory | 101.1 GB | 216.6 GB |
| CAMERA | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| MAIN CAMERA |
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| Number of Main Cameras | 3 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | 1/1.76" | - | |
| Lens Type | Wide-angle lens | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Field of View (FoV) | 79 degree(s) | 83 degree(s) | Samsung Galaxy Z Flip5 has larger lens field of view than Samsung Galaxy S21 FE 5G. |
| Pixel Size | 1.8 μm | 1.8 μm | Both phones have the same camera pixel size. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 30x | 10x | Samsung Galaxy S21 FE 5G has better digital zoom than Samsung Galaxy Z Flip5. |
| Special Effects | Face retouch, Grid Line | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Night mode, portrait mode | Nightography | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 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 | 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps | |
| Camera Features (Functions) | Dual recording | Dual Pixel Autofocus technology, FlexCam |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 12 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 123 degree(s) | Both phones have the same second camera lens field of view. |
| Pixel Size (2nd Camera) | 1.12 μm | 1.12 μm | Both phones have the same second camera pixel size. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | - | |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Field of View (3rd Camera) | 32 degree(s) | - | |
| Pixel Size (3rd Camera) | 1 μm | - | |
| Camera Features (3rd Camera) | Space Zoom x30 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 10 Megapixel | Samsung Galaxy S21 FE 5G has better front camera resolution than Samsung Galaxy Z Flip5. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | 81 degree(s) | 85 degree(s) | Samsung Galaxy Z Flip5 has larger front lens field of view than Samsung Galaxy S21 FE 5G. |
| Pixel Size (Front) | 0.8 μm | 1.22 μm | Samsung Galaxy Z Flip5 has larger front camera pixel size than Samsung Galaxy S21 FE 5G. |
| Focus Adjustment | Focus free | Focus free |
| BATTERY AND CHARGING | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 3700 mAh | Samsung Galaxy S21 FE 5G has larger battery capacity than Samsung Galaxy Z Flip5. |
|---|---|---|---|
| Fast Charging Technology | Samsung Fast Charging | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | Both phones have fast charging technology. |
| Wireless Charging | Yes | Yes | Both phones can be charged wirelessly. |
| Wireless Charging Standards | Wireless PowerShare | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | |
| Talk Time | 2220 minutes | 2100 minutes | Samsung Galaxy S21 FE 5G has longer battery life when making calls than Samsung Galaxy Z Flip5. |
| 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 |
Talk (4G): up to 2100 min Active online usage (LTE): up to 17 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (wireless video): up to 20 hrs Playback (wireless audio): up to 57 hrs |
| CELLULAR | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 12 | Android 13 | |
| User Interface | - | One UI 5.1.1 | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | Samsung Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | 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 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 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | 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 | |
| 4G LTE Frequency | 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 | 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 | |
| 5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40 | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n77, n78, n40, n25, n12 | |
| 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 | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, TDD TD 3700, TDD TD 3500, TDD 2300, FDD 1900, n12 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.3 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
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| 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 | WAV, AAC, PCM, 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 | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | - |
| FEATURES | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| 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 | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Additional Phone Features | MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode | MIMO technology, Samsung KNOX, Samsung Smart Switch, Flex mode, Flex Window, Multi Widget View, Flex Hinge |
| OTHERS | Samsung Galaxy S21 FE 5G | Samsung Galaxy Z Flip5 |
|---|
| Included Accessories | SIM card removal tool, USB-C cable | SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | IP68 | VDE, IPX8, USB 3.2 Gen 1, Android Audio Streaming for Hearing Aid (ASHA) | |
| Max Depth of Water Resistance | 1.5 m | 1.5 m |
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