Detailed comparison and review of Samsung Galaxy Fold 5G and Samsung Galaxy S21 Ultra 5G. 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 Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-F907B | SM-G998B/DS | |
| Form Factor | Folder - touch screen, dual screen | Touch | |
| Height | 160.9 mm | 161.5 mm | Samsung Galaxy S21 Ultra 5G has greater height than Samsung Galaxy Fold 5G. |
| Width | 62.8 mm | 75.6 mm | Samsung Galaxy S21 Ultra 5G has greater width than Samsung Galaxy Fold 5G. |
| Depth | 17.1 mm | 8.9 mm | Samsung Galaxy S21 Ultra 5G is narrower than Samsung Galaxy Fold 5G. |
| Weight | 276 g | 227 g | Samsung Galaxy S21 Ultra 5G is lighter than Samsung Galaxy Fold 5G. |
| Dimensions Details | Folded - 62.8 mm x 17.1 mm x 160.9 mm Unfolded - 117.9 mm x 6.9 mm x 160.9 mm |
- | |
| Body Colour | Space Silver | Cosmos black | Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium | |
| Protection | - | Dustproof, splashproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Samsung Galaxy S21 Ultra 5G is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.267 W/kg (body), 0.542 W/kg (head) | 1.58 W/kg (body), 0.714 W/kg (head), 2.56 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 | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity Flex Dynamic AMOLED | Infinity-O Dynamic AMOLED 2X | |
| Screen Size (Display Size) | 7.3" | 6.8" | Samsung Galaxy Fold 5G has larger screen size than Samsung Galaxy S21 Ultra 5G. |
| Screen Resolution (Display Resolution) | 2152 x 1536 pixels | 3200 x 1440 pixels | Samsung Galaxy S21 Ultra 5G has better screen resolution than Samsung Galaxy Fold 5G. |
| Display Format | QXGA+ | QHD+ | |
| Pixel Density | 362 ppi | 515 ppi | Samsung Galaxy S21 Ultra 5G has better pixel density than Samsung Galaxy Fold 5G. |
| Aspect Ratio | 4.2:3 | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | HDR10+ | |
| Display Enhancement Technology | - | Eye Comfort Shield | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | AOD(Always On Display), flex screen | Edge Screen, AOD(Always On Display) | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| 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 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| Processor Type (CPU) | - | Samsung Exynos 2100 | |
|---|---|---|---|
| Clock Speed | 2.8 GHz | 2.9 GHz | Samsung Galaxy S21 Ultra 5G has higher clock speed than Samsung Galaxy Fold 5G. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy Fold 5G has 64-bit architecture. |
| Graphics System (GPU) | - | Mali-G78 MP14 |
| MEMORY | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| RAM | 12 GB | LPDDR5 SDRAM - 12 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 512 GB | 128 GB | Samsung Galaxy Fold 5G has more internal memory than Samsung Galaxy S21 Ultra 5G. |
| User Memory | 460.5 GB | 101.7 GB |
| CAMERA | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 12 Megapixel | Samsung Galaxy Fold 5G has better camera resolution than Samsung Galaxy S21 Ultra 5G. |
| Lens Type | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Field of View (FoV) | 123 degree(s) | 120 degree(s) | Samsung Galaxy Fold 5G has larger lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size | 1 μm | 1.4 μm | Samsung Galaxy S21 Ultra 5G has larger camera pixel size than Samsung Galaxy Fold 5G. |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Laser Auto Focus | - | Yes | |
| Optical Zoom | 2x | 3x | Samsung Galaxy S21 Ultra 5G has better optical zoom than Samsung Galaxy Fold 5G. |
| Digital Zoom | 10x | 100x | Samsung Galaxy S21 Ultra 5G has better digital zoom than Samsung Galaxy Fold 5G. |
| Self-Timer Delay | Yes | Yes | |
| Special Effects | HDR, Grid Line, Motion photos | Face retouch, Grid Line | |
| HDR Mode | - | Auto HDR mode | |
| 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 | Panorama, Slow motion mode, Pro 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, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy Fold 5G has face detection. |
| Light Source | High CRI LED flash | High CRI 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 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, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 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 | Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 108 Megapixel | Samsung Galaxy S21 Ultra 5G has better second camera resolution than Samsung Galaxy Fold 5G. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/1.33" | |
| Lens Type (2nd Camera) | Wide-angle lens | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.5-2.4 | F/1.8 | Samsung Galaxy Fold 5G has better second camera lens aperture than Samsung Galaxy Fold 5G. |
| Field of View (2nd Camera) | 77 degree(s) | 83 degree(s) | Samsung Galaxy S21 Ultra 5G has larger second camera lens field of view than Samsung Galaxy Fold 5G. |
| Pixel Size (2nd Camera) | 1.4 μm | 0.8 μm | Samsung Galaxy Fold 5G has larger second camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Camera Features (2nd Camera) | OIS (Optical Image Stabilisation), Super Speed Dual Pixel AF | Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 10 Megapixel | Samsung Galaxy Fold 5G has higher resolution third camera than Samsung Galaxy S21 Ultra 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) | 35 degree(s) | Samsung Galaxy Fold 5G has larger third camera lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (3rd Camera) | 1 μm | 1.22 μm | Samsung Galaxy S21 Ultra 5G has larger third camera pixel size than Samsung Galaxy Fold 5G. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy Fold 5G has optical stabilisation of the third camera. |
| Camera Features (3rd Camera) | Phase Detect Auto-Focus (PDAF) | Dual Pixel AF |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 10 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Telephoto lens | |
| Lens Aperture (4th Camera) | - | F/4.9 | |
| Field of View (4th Camera) | - | 10 degree(s) | |
| Pixel Size (4th Camera) | - | 1.22 μm | |
| Camera Features (4th Camera) | - | Dual Pixel AF |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 3 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 40 Megapixels | Samsung Galaxy S21 Ultra 5G has better front camera resolution than Samsung Galaxy Fold 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) | 80 degree(s) | Both phones have the same front lens field of view. |
| Pixel Size (Front) | 1.22 μm | 0.7 μm | Samsung Galaxy Fold 5G has larger front camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Focus Adjustment | - | Automatic | |
| Camera Modes (Front) | Live Focus mode, AR Emoji | - | |
| Camera Features (Front) | - | Phase Detect Auto-Focus (PDAF) |
| 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 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| Battery Capacity (Battery Size) | 4235 mAh | 5000 mAh | Samsung Galaxy S21 Ultra 5G has larger battery capacity than Samsung Galaxy Fold 5G. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | 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 | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | |
| Talk Time | 2640 minutes | 2460 minutes | Samsung Galaxy Fold 5G has longer battery life when making calls than Samsung Galaxy S21 Ultra 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 19 hrs Playback (wireless audio): up to 73 hrs Talk (LTE): up to 2640 min |
Talk (4G): up to 2460 min Active online usage (LTE): up to 18 hrs Active online usage (Wi-Fi): up to 18 hrs Playback (wireless video): up to 22 hrs Playback (wireless audio): up to 81 hrs |
| CELLULAR | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | Android 11 | |
| Intelligent Assistant | Bixby | Bixby | |
| Payment Technology | Samsung Pay | Samsung Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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, 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 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 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 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 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 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 | N78 | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 5G NR Frequency | TDD TD 3500 | 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 | |
| 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/ax | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 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, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | |
|---|---|---|---|
| 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 Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound |
| FEATURES | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| 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, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Face recognition, fingerprint reader (side) | Fingerprint reader (under display), face recognition | |
| 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 | Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command |
| OTHERS | Samsung Galaxy Fold 5G | Samsung Galaxy S21 Ultra 5G |
|---|
| Included Accessories | USB adapter, USB cable, power adapter, SIM card removal tool, cover, Samsung Galaxy buds | SIM card removal tool, USB-C to USB-C cable | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | IP68, HAC (Hearing Aid Compatible) | |
| Max Depth of Water Resistance | - | 1.5 m |
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