Sony Ericsson txt Pro (CK15a) vs Positivo P28
Side by side comparison between Sony Ericsson txt Pro vs Positivo P28 phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? Sony Ericsson txt Pro (CK15a)
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!
15 Advantages 
4 Advantages | 12 Common items in both devices |
| TFT LCD |
| 260 thousand |
| Only digital zoom |
| QVGA (320x240) |
| Proprietary OS |
| LiPo: li-ion polymer (Removable) / Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| +5 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) | Positivo P28 | |
| Model | txt Pro (CK15a) | Positivo P28 |
| Other model names | Sony Ericsson txt Pro CK15, Sony txt Pro | Positivo P28 Dual-Chip |
| Country or region available |    (Latin America), Canada, USA |  Brazil |
| Brand | Sony Ericsson | Positivo |
| Release date | 7/1/2011 | 2/29/2016 |
| Depth | 18 millimeters (0.71 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 52 x 93 millimeters (2.05 x 3.66 in) | 56.5 x 128 millimeters (2.22 x 5.04 in) |
| Weight | 100 grams (3.5 ounces) | 90 grams (3.15 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3" inches | 2.8" inches |
| Screen-to-body ratio | ~53% (screen-to-body ratio) | ~33.6% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 240x320 pixels |
| Touchscreen | Capacitive Single touch 1-point | Not supported |
| Pixel density (dot pitch) | 155 PPI | 143 PPI |
| Colors | 260 thousand | 260 thousand |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| System version | Proprietary OS | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Chipset | 32bit | 32bit |
| CPU | Single-core, 1 processor: Single-core PNX-4910 (Single-core) | Single-core, 1 processor: 1x 260MHz |
| GPU graphical controller | feature not registered | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| RAM memory | 64MB SDRAM | 32MB |
| Internal storage | 256MB (100MB available) | 24MB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 8GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 0.236 Mbps | 0.048 Mbps |
| Network technology | 2G | 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 | Not supported | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS |
📷 Camera | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Back camera (main camera) | 3.1 megapixels | 0.3 megapixels |
| Main camera resolution | 2048x1536 pixels | 640x480 pixels |
| Video recording (primary) | QVGA (320x240) | QVGA (320x240) 15 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | feature not registered | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV |
🔌 Connectivity | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| USB | MicroUSB 2.0 | Mini-USB 2.0 (Mini-B) |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | Not supported |
| DLNA | Not supported | Not supported |
| GPS | Not supported | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Not supported |
| Vibrating alert | Supported | Not supported |
🔋 Battery | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| Battery type | LiPo: li-ion polymer (Removable) BST-43 | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1000 mAh | 850 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| 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) | Positivo P28 | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic |
| Web browser | HTML, XHTML | HTML, XHTML |
| 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: Black |
☢️ Radiation rate | ||
| Sony Ericsson txt Pro (CK15a) | Positivo P28 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.8W/kg (head) | feature not registered |