Side by side comparison and review of Samsung Galaxy Fold and Samsung Galaxy A21s. 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-F907B | SM-A217F/DSN | |
| Form Factor | Folder - touch screen, dual screen | Touch | |
| Height | 160.9 mm | 163.7 mm | Samsung Galaxy A21s has greater height than Samsung Galaxy Fold. |
| Width | 62.8 mm | 75.3 mm | Samsung Galaxy A21s has greater width than Samsung Galaxy Fold. |
| Depth | 17.1 mm | 8.9 mm | Samsung Galaxy A21s is narrower than Samsung Galaxy Fold. |
| Weight | 276 g | 192 g | Samsung Galaxy A21s is lighter than Samsung Galaxy Fold. |
| Dimensions Details | Folded - 62.8 mm x 17.1 mm x 160.9 mm Unfolded - 117.9 mm x 7.6 mm x 160.9 mm |
- | |
| Body Colour | Cosmos black | White | Blue | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.267 W/kg (body), 0.542 W/kg (head) | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Infinity Flex Dynamic AMOLED | PLS TFT | |
| Screen Size (Display Size) | 7.3" | 6.5" | Samsung Galaxy Fold has larger screen size than Samsung Galaxy A21s. |
| Screen Resolution (Display Resolution) | 2152 x 1536 pixels | 1600 x 720 pixels | Samsung Galaxy Fold has better screen resolution than Samsung Galaxy A21s. |
| Display Format | QXGA+ | HD+ | |
| Pixel Density | 362 ppi | - | |
| Aspect Ratio | 4.2:3 | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | Yes | - | Samsung Galaxy Fold has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Features | AOD(Always On Display), flex screen | Infinity O display |
| SECOND DISPLAY |
|---|
| Second Display Type | OLED display - colour | - | |
|---|---|---|---|
| Second Display Screen Size | 4.6" | - | |
| Second Display Resolution | 1680 x 720 pixels | - | |
| Second Display Colour Depth | 16.7 million colours | - |
| PROCESSOR | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Clock Speed | 2.8 GHz | 2 GHz | Samsung Galaxy Fold has higher clock speed than Samsung Galaxy A21s. |
|---|---|---|---|
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy Fold has 64-bit architecture. |
| MEMORY | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| RAM | 12 GB | 3 GB | Samsung Galaxy Fold has more RAM than Samsung Galaxy A21s. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 512 GB | 32 GB | Samsung Galaxy Fold has more internal memory than Samsung Galaxy A21s. |
| User Memory | 460.5 GB | 19.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 512 GB |
| CAMERA | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Samsung Galaxy A21s has better camera resolution than Samsung Galaxy Fold. |
| Lens Type | Ultra wide-angle lens | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/2.0 | Samsung Galaxy A21s has better lens aperture than Samsung Galaxy Fold. |
| Field of View (FoV) | 123 degree(s) | 80 degree(s) | Samsung Galaxy Fold has larger lens field of view than Samsung Galaxy A21s. |
| Pixel Size | 1 μm | - | |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Samsung Galaxy Fold has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | 8x | Samsung Galaxy Fold has better digital zoom than Samsung Galaxy A21s. |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Grid Line, Motion photos | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view | Live Focus mode | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy Fold has face detection. |
| Light Source | High CRI LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) 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 | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Quick Launch, Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Lens smudge, Full view, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady, backlighting detection | Live Focus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy Fold has better second camera resolution than Samsung Galaxy A21s. |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.5-2.4 | F/2.2 | Samsung Galaxy Fold has better second camera lens aperture than Samsung Galaxy Fold. |
| Field of View (2nd Camera) | 77 degree(s) | 123 degree(s) | Samsung Galaxy A21s has larger second camera lens field of view than Samsung Galaxy Fold. |
| Pixel Size (2nd Camera) | 1.4 μm | - | |
| Camera Features (2nd Camera) | OIS (Optical Image Stabilisation), Super Speed Dual Pixel AF | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 2 Megapixel | Samsung Galaxy Fold has higher resolution third camera than Samsung Galaxy A21s. |
|---|---|---|---|
| Lens Type (3rd Camera) | 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) | - | |
| Pixel Size (3rd Camera) | 1 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy Fold has optical stabilisation of the third camera. |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | Phase Detect Auto-Focus (PDAF) | 4cm macro photography |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 3 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 13 Megapixel | Samsung Galaxy A21s has better front camera resolution than Samsung Galaxy Fold. |
| 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) | - | |
| Pixel Size (Front) | 1.22 μm | - | |
| Focus Adjustment | - | Focus free | |
| Camera Modes (Front) | Live Focus mode, AR Emoji | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/1.9 | - | |
| Field of View (2nd Front) | 85 degree(s) | - | |
| Pixel Size (2nd Front) | 1.12 μm | - | |
| Camera Functions (2nd Front) | RGB Depth Camera | - |
| THIRD FRONT CAMERA |
|---|
| Sensor Resolution (3rd Front) | 10 Megapixels | - | |
|---|---|---|---|
| Lens Aperture (3rd Front) | F/2.2 | - | |
| Field of View (3rd Front) | 80 degree(s) | - | |
| Pixel Size (3rd Front) | 1.22 μm | - |
| BATTERY AND CHARGING | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Battery Capacity (Battery Size) | 4235 mAh | 5000 mAh | Samsung Galaxy A21s has larger battery capacity than Samsung Galaxy Fold. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | - | Samsung Galaxy Fold has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy Fold can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA, Qi, Fast Wireless Charging, Wireless PowerShare | - | |
| Talk Time | 2640 minutes | 3240 minutes | Samsung Galaxy A21s has longer battery life when making calls than Samsung Galaxy Fold. |
| 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 19 hrs Playback (wireless audio): up to 73 hrs Talk (LTE): up to 2640 min |
Active online usage (4G): up to 23 hrs Active online usage (Wi-Fi): up to 23 hrs Playback (video): up to 21 hrs Playback (audio): up to 109 hrs Talk (4G): up to 3240 min |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy Fold has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | - | |
| User Interface | - | One UI | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, LAA, 5G NR FR1 | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X, 2100 CDMA2000 1X (AWS) | 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | N78 | - | |
| 5G NR Frequency | TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 LE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| 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, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, WMV, ASF, 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 | Dolby Atmos sound technology |
| FEATURES | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader | |
| Additional Phone Features | Multitasking, MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Samsung DeX support, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, dual battery | Samsung KNOX, Virtual Light Sensing |
| OTHERS | Samsung Galaxy Fold | Samsung Galaxy A21s |
|---|
| Included Accessories | USB adapter, USB cable, power adapter, SIM card removal tool, cover, Samsung Galaxy buds | Power adapter | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | - |
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