Sony Ericsson txt Pro (CK15a) vs Samsung Galaxy Z Fold 7 (SM-F966B/DS 256GB)
Side by side comparison between Sony Ericsson txt Pro vs Samsung Galaxy Z Fold 7 phones, differences, pros, cons and full specifications. What's the better?
,
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 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!
6 Advantages 
39 Advantages | 6 Common items in both devices |
| Capacitive |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| + 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 Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Model | txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) |
| Other model names | Sony Ericsson txt Pro CK15, Sony txt Pro | Galaxy Z Fold7 SM-F966B/Dual-SIM |
| Country or region available |    (Latin America), Canada, USA |  (Global, International) |
| Brand | Sony Ericsson | Samsung |
| Release date | 7/1/2011 | 7/25/2025, Announced: 7/9/2025 |
| Depth | 18 millimeters (0.71 inches) | 4.2 millimeters (0.17 inches) |
| Size (width x height) | 52 x 93 millimeters (2.05 x 3.66 in) | 143.2 x 1584 millimeters (5.64 x 62.36 in) |
| Weight | 100 grams (3.5 ounces) | 215 grams (7.53 ounces) |
| Build, materials | feature not registered | 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 | IP48 certified: dust and water resistant (dust > 1mm; immersible up to 1.5m for 30 min) |
📲 Display | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Display type | TFT LCD | LTPO AMOLED |
| Screen size | 3" inches | 8" inches |
| Screen-to-body ratio | ~53% (screen-to-body ratio) | ~9.1% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1968x2184 pixels |
| Touchscreen | Capacitive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 155 PPI | 367 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 2600nits[peak] HDR10+ Always-On Display Extra display: Dynamic 2X LTPO AMOLED 6.5" (1080x2520), 120Hz, Gorilla Glass Victus 2 |
🤖 Operating System | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| System version | Proprietary OS | Android 16 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | One UI 8 |
⚙️ Processor | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AC) (3nm) |
| CPU | Single-core, 1 processor: Single-core PNX-4910 (Single-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 | feature not registered | Qualcomm Adreno 830 (1200MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 1995920 (v10) Geekbench: 9152 (v6) |
💽 Memory and storage | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| RAM memory | 64MB SDRAM | 12GB LPDDR5X |
| Internal storage | 256MB (100MB available) | 256GB (223GB available) UFS 4.0 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| 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 | 0.236 Mbps | 5000/1024 Mbps |
| Network technology | 2G | 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 | Not supported | 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 | 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 Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Back camera (main camera) | 3.1 megapixels | (triple camera) 200 megapixels 10MP telephoto f/2.467mm1.0µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.2120°1.4µmPDAF |
| Main camera resolution | 2048x1536 pixels | 20000x10000 pixels |
| Video recording (primary) | QVGA (320x240) | 8K UHD (7680x4320) 30 fps |
| Flash | Not supported | 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 | Not supported | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Not supported | 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 Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Front camera (secondary) | Not supported | 10 megapixels |
| Front camera resolution | Not supported | 3872x2592 pixels |
| Video recording (secondary) | Not supported | 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 Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | Not supported | 3 microphones |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| USB | MicroUSB 2.0 | 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 [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Sensors | Accelerometer Ambient light sensor 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 Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Battery type | LiPo: li-ion polymer (Removable) BST-43 | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1000 mAh | 4400 mAh |
| Charger, watts | Wired charging | 25W Wired fast charging |
| Inductive / wireless charging | feature not registered | 15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging |
| Talk time autonomy | 5.2 hours | feature not registered |
| Standby | 400 hours (16.7 days) | feature not registered |
➕ Other features | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black, White, Pink • Facebook and Twitter • Google Mail and Google Talk • Java framework | • Colors: Blue Shadow, Silver Shadow, Jet Black, Mint • Samsung DeX |
☢️ Radiation rate | ||
| Sony Ericsson txt Pro (CK15a) | Galaxy Z Fold 7 (SM-F966B/DS 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.21W/kg (head), 1.26W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.8W/kg (head) | 1.418W/kg (head), 1.242W/kg (body) |