Samsung Galaxy Fold (SM-F900U) vs Sony Ericsson txt Pro (CK15a)
Side by side comparison between Samsung Galaxy Fold vs Sony Ericsson txt Pro 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
4380
mAh
mAh
(Non removable)
vs
What's the better phone? Samsung Galaxy Fold (SM-F900U)
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!
32 Advantages 
6 Advantages | 4 Common items in both devices |
| Capacitive |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| + 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 (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Model | Galaxy Fold (SM-F900U) | txt Pro (CK15a) |
| Other model names | Galaxy Fold F900U (Single-SIM) Unlocked, Samsung Winner | Sony Ericsson txt Pro CK15, Sony txt Pro |
| Country or region available |  USA |   (Latin America), Canada, USA |
| Brand | Samsung | Sony Ericsson |
| Release date | 4/26/2019, Announced: 2/28/2019 | 7/1/2011 |
| Depth | 6.9 millimeters (0.27 inches) | 18 millimeters (0.71 inches) |
| Size (width x height) | 117.9 x 160.9 millimeters (4.64 x 6.33 in) | 52 x 93 millimeters (2.05 x 3.66 in) |
| Weight | 263 grams (9.21 ounces) | 100 grams (3.5 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Folded: 15.5mm x 62.9mm x 160.9mm | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Display type | Dynamic AMOLED | TFT LCD |
| Screen size | 7.3" inches | 3" inches |
| Screen-to-body ratio | ~85.7% (screen-to-body ratio) | ~53% (screen-to-body ratio) |
| Display resolution | 1536x2152 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 362 PPI | 155 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | HDR10+ Extra display: Super AMOLED 4.6" (720x1680) | feature not registered |
🤖 Operating System | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| System version | Android 9.0 Pie | Proprietary OS |
| Firmware update | Android 12 | feature not registered |
| User Interface | One UI 2.5 / 3.1 / 4.0 | feature not registered |
⚙️ Processor | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 32bit |
| 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) | Single-core, 1 processor: Single-core PNX-4910 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | feature not registered |
| Performance (benchmark) | AnTuTu: 363016 (v7) Geekbench: 11028 (v4.4) GFXBench: 32fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| RAM memory | 12GB LPDDR4X | 64MB SDRAM |
| Internal storage | 512GB (462GB available) UFS 3.0 | 256MB (100MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 1200/150 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| 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 | Not supported |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 14, 18, 19, 20, 28, 29, 30, 66) TD-LTE (38, 39, 40, 41, 46) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| 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 | 3.1 megapixels |
| Main camera resolution | 4032x3024 pixels | 2048x1536 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | QVGA (320x240) |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.5 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus on both cameras | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | Not supported |
| Camera extras | 4K@60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) HDR10 Cover camera: 10MP (f/2.2) | feature not registered |
📸 Front camera | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Front camera (secondary) | (dual front camera) 10 megapixels 8MP depth f/1.924mm1.22µm | Not supported |
| Front camera resolution | 3872x2592 pixels | Not supported |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) BST-43 |
| Battery capacity | 4380 mAh | 1000 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | 15W Qi wireless charging 9W Reverse wireless charging | feature not registered |
| Talk time autonomy | 32 hours (1.3 days) | 5.2 hours |
| Standby | feature not registered | 400 hours (16.7 days) |
➕ Other features | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Black, Space Silver, Martian Green, Astro Blue • Samsung DeX • Samsung Pay | • Colors: Black, White, Pink • Facebook and Twitter • Google Mail and Google Talk • Java framework |
☢️ Radiation rate | ||
| Galaxy Fold (SM-F900U) | Sony Ericsson txt Pro (CK15a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.8W/kg (head) |