Samsung Galaxy Fold 5G (SM-F907F) vs Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)
Side by side comparison between Samsung Galaxy Fold 5G vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
7.3"
AMOLED
AMOLED
1536x2152
12.2
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4235
mAh
mAh
(Non removable)
vs
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
5 Advantages 
25 Advantages | 27 Common items in both devices |
| Aluminum frame, flexible plastic screen, glass back / Aluminum frame, glass front/back |
| Dynamic AMOLED |
| HDR10+ |
| 16 million |
| LED flash |
| Digital and optical zoom |
| PDAF: phase detection autofocus on both cameras |
| +20 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Model | Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) |
| Other model names | Galaxy Fold 5G SM-F907F, Samsung Winner | Galaxy S21 Ultra 5G (SM-G998B/Dual-SIM) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 4/26/2019, Announced: 2/28/2019 | 1/29/2021, Announced: 1/14/2021 |
| Depth | 6.9 millimeters (0.27 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 117.9 x 160.9 millimeters (4.64 x 6.33 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
| Weight | 263 grams (9.21 ounces) | 227 grams (7.95 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Folded: 15.5mm x 62.9mm x 160.9mm | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Display type | Dynamic AMOLED | Dynamic AMOLED |
| Screen size | 7.3" inches | 6.8" inches |
| Screen-to-body ratio | ~85.7% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
| Display resolution | 1536x2152 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 362 PPI | 516 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | HDR10+ Extra display: Super AMOLED 4.6" (720x1680) | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| System version | Android 9.0 Pie | Android 11 |
| Firmware update | Android 12 | Android 14 |
| User Interface | One UI 2.5 / 3.1 / 4.0 | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 64bit: Samsung Exynos 2100 (5nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | ARM Mali-G78 MP14 (854MHz) |
| Performance (benchmark) | Basemark OS II: 4527 (v2) | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| RAM memory | 12GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 512GB (462GB available) UFS 3.0 | 128GB (101GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 2000/1024 Mbps | 5000/1920 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | NSA/Sub6 (78) | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Back camera (main camera) | (triple camera) 12.2 megapixels 12MP telephoto f/2.41/3.6"52mm1.0µmAFOIS2x-optical-zoom 16MP ultrawide f/2.212mm1/3.1"1.0µm | (quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video |
| Main camera resolution | 4032x3024 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.5 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.55" inches | 1/1.33" inches |
| Pixel size | 1.4µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) HDR10 Cover camera: 10MP (f/2.2) | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Front camera (secondary) | (dual front camera) 10 megapixels 8MP depth f/1.924mm1.22µm | 40 megapixels |
| Front camera resolution | 3872x2592 pixels | 7296x5472 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/3" inches | 1/2.8" inches |
| Pixel size | 1.22µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4235 mAh | 5000 mAh |
| Charger, watts | 15W Wired fast charging | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | 15W Qi wireless charging 9W Reverse wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Space Silver, Cosmos Black • Samsung DeX • Samsung Pay | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
| Galaxy Fold 5G (SM-F907F) | Galaxy S21 Ultra (SM-G998B/DS 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.24W/kg (head), 0.72W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.714W/kg (head), 1.58W/kg (body) |