Samsung Galaxy S25 Ultra (SM-S938B/DS 256GB) vs Samsung Galaxy Z Fold 7 (SM-F966B/DS 1TB)
Side by side comparison between Samsung Galaxy S25 Ultra vs Samsung Galaxy Z Fold 7 phones, differences, pros, cons and full specifications. What's the better?
,
6.9"
AMOLED
AMOLED
1440x3120
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
8"
AMOLED
AMOLED
1968x2184
200
MP
MP
10mp
16GB
RAM
RAM
Octa-core
4400
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S25 Ultra (SM-S938B/DS 256GB)
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!
9 Advantages 
5 Advantages | 46 Common items in both devices |
| 4.47GHz 64bit Octa-core (3nm) |
| UFS 4.0 |
| LTPO AMOLED |
| HDR10+ |
| 120Hz |
| 16 million |
| LED flash |
| +39 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 S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Change model | ||
| Model | Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) |
| Other model names | Galaxy S25 Ultra SM-S938B/Dual-SIM | Galaxy Z Fold7 SM-F966B/Dual-SIM |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 2/3/2025, Announced: 2/22/2025 | 7/25/2025, Announced: 7/9/2025 |
| Depth | 8.2 millimeters (0.32 inches) | 4.2 millimeters (0.17 inches) |
| Size (width x height) | 77.6 x 162.8 millimeters (3.06 x 6.41 in) | 143.2 x 1584 millimeters (5.64 x 62.36 in) |
| Weight | 218 grams (7.63 ounces) | 215 grams (7.53 ounces) |
| Build, materials | Titanium frame, glass front and back Back: Gorilla Armor 2 | Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus 2 Folded: 8.9 mm x 72.8 x 158.4 |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP48 certified: dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min) |
📲 Display | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Display type | LTPO AMOLED | LTPO AMOLED |
| Screen size | 6.9" inches | 8" inches |
| Screen-to-body ratio | ~92.5% (screen-to-body ratio) | ~9.1% (screen-to-body ratio) |
| Display resolution | 1440x3120 pixels (19.5:9) | 1968x2184 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 498 PPI | 367 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Armor 2 | Not supported |
| Refresh rate | 120Hz | 120Hz |
| Display features | 2600nits[peak] HDR10+ Always-On Display | 2600nits[peak] HDR10+ Always-On Display Extra display: Dynamic 2X LTPO AMOLED 6.5" (1080x2520), 120Hz, Gorilla Glass Victus 2 |
🤖 Operating System | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| System version | Android 15 | Android 16 |
| Firmware update | Android 16 | feature not registered |
| User Interface | One UI 7.0 | One UI 8 |
⚙️ Processor | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm) |
| CPU | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) | Octa-core, 2 processors: 2x 4.47GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1200MHz) | Qualcomm Adreno 830 (1200MHz) |
| Performance (benchmark) | AnTuTu: 2207809 (v10) Geekbench: 9846 (v6) | AnTuTu: 1995920 (v10) Geekbench: 9152 (v6) |
💽 Memory and storage | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| RAM memory | 12GB LPDDR5X | 16GB LPDDR5X |
| Internal storage | 256GB (223GB available) UFS 4.0 | 1TB (980GB available) UFS 4.0 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 5000/1024 Mbps | 5000/1024 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat (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 | SA/NSA/Sub6 () | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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, Sub6 |
| Secondary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat24 () TD-LTE () VoLTE | LTE Cat (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 | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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, Sub6 |
📷 Camera | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Back camera (main camera) | (quad camera) 200 megapixels 10MP telephoto f/2.467mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 50MP periscope telephoto f/3.4111mm1/2.52"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.9120°0.7µmPDAFSuper-Steady | (triple camera) 200 megapixels 10MP telephoto f/2.467mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2120°1.4µmPDAF |
| Main camera resolution | 20000x10000 pixels | 20000x10000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | 24mm (lens) | 24mm (lens) |
| Sensor size | 1/1.3" inches | 1/1.3" inches |
| Pixel size | 0.6µm pixel | 0.6µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
| 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 and HDR photo on front camera |
| Camera extras | feature not registered | 8K@30fps 4K@60fps 1080p@60/120/240fps 720p@960fps 10-bit HDR HDR10+ Extra cover camera: 10MP wide (f/2.2 24mm 1.12µm) |
📸 Front camera | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Front camera (secondary) | 12 megapixels | 10 megapixels |
| Front camera resolution | 4000x3000 pixels | 3872x2592 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) | 18mm (lens) |
| Sensor size | 1/3.2" inches | feature not registered |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Tuned by AKG | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 3 microphones | 3 microphones |
| Radio | Not supported | Not supported |
| 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 S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| USB | USB 3.2 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 | 5.4 + A2DP/LE | 5.4 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4400 mAh |
| Charger, watts | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 25W Wired fast charging |
| Inductive / wireless charging | 15W Qi wireless charging 4.5W Reverse wireless charging | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | • Samsung DeX • Samsung Wireless DeX • Stylus (S Pen) • Circle to Search | • Colors: Blue Shadow, Silver Shadow, Jet Black, Mint • Samsung DeX |
☢️ Radiation rate | ||
| Galaxy S25 Ultra (SM-S938B/DS 256GB) | Galaxy Z Fold 7 (SM-F966B/DS 1TB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.21W/kg (head), 1.26W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.418W/kg (head), 1.242W/kg (body) |