Sony Xperia U (ST25i) vs Samsung Galaxy Z Fold 7 (SM-F966B/DS 512GB)
Side by side comparison between Sony Xperia U vs Samsung Galaxy Z Fold 7 phones, differences, pros, cons and full specifications. What's the better?
,
3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
vs
8"
AMOLED
AMOLED
1968x2184
200
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4400
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy Z Fold 7 (SM-F966B/DS 512GB)
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!
4 Advantages 
37 Advantages | 15 Common items in both devices |
| 16 million |
| LED flash |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +8 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 | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Model | Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) |
| Other model names | Sony Xperia U ST25, Sony Kumquat | Galaxy Z Fold7 SM-F966B/Dual-SIM |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Sony | Samsung |
| Release date | 5/7/2012, Announced: 2/1/2012 | 7/25/2025, Announced: 7/9/2025 |
| Depth | 12 millimeters (0.47 inches) | 4.2 millimeters (0.17 inches) |
| Size (width x height) | 54 x 112 millimeters (2.13 x 4.41 in) | 143.2 x 1584 millimeters (5.64 x 62.36 in) |
| Weight | 110 grams (3.85 ounces) | 215 grams (7.53 ounces) |
| Build, materials | Plastic body, glass front | 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 | Not supported | IPX8 certified: water resistant up to 1.5 meters and 30min |
📲 Display | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Display type | TFT LED-Backlit LCD | LTPO AMOLED |
| Screen size | 3.5" inches | 8" inches |
| Screen-to-body ratio | ~55.8% (screen-to-body ratio) | ~9.1% (screen-to-body ratio) |
| Display resolution | 480x854 pixels (16:9) | 1968x2184 pixels |
| Touchscreen | Capacitive Multitouch 4-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 280 PPI | 367 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | feature not registered |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 2600nits[peak] HDR10+ Always-On Display Extra display: Dynamic LTPO AMOLED 2X 6.5" (1080x2520), 120Hz, Gorilla Glass Ceramic 2 |
🤖 Operating System | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| System version | Android 2.3.7 Gingerbread | Android 16 |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | One UI 8 |
⚙️ Processor | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Chipset | 32bit: ST-Ericsson NovaThor U8500 (45nm) | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-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 | ARM Mali-400 MP1 | Qualcomm Adreno 830 (1200MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 1995920 (v10) Geekbench: 9152 (v6) |
💽 Memory and storage | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| RAM memory | 512MB LPDDR2 | 12GB LPDDR5X |
| Internal storage | 8GB (4GB available) | 512GB (476GB available) UFS 4.0 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 14.4/5.76 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G | 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 | UMTS 900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | 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 | Not supported | 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, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| 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 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 | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 200 megapixels 10MP telephoto f/2.467mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2120°1.4µmPDAF |
| Main camera resolution | 2592x1944 pixels | 20000x10000 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.7 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/1.3" inches |
| Pixel size | feature not registered | 0.6µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | Not supported | 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 | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Front camera (secondary) | 0.3 megapixels | 10 megapixels |
| Front camera resolution | 640x480 pixels | 3872x2592 pixels |
| Video recording (secondary) | VGA (640x480) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 18mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 5.4 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 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 | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) BA600 | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1320 mAh | 4400 mAh |
| Charger, watts | Wired charging | 25W Wired fast charging |
| Inductive / wireless charging | Not supported | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | 5.6 hours | feature not registered |
| Standby | 472 hours (19.7 days) | feature not registered |
➕ Other features | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework | • Colors: Blue Shadow, Silver Shadow, Jet Black, Mint • Samsung DeX |
☢️ Radiation rate | ||
| Sony Xperia U (ST25i) | Galaxy Z Fold 7 (SM-F966B/DS 512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.09W/kg (head), 0.93W/kg (body) | 1.21W/kg (head), 1.26W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 1.62W/kg (head) | 1.418W/kg (head), 1.242W/kg (body) |