Sony Ericsson Xperia Arc (LT15a) vs Sony Ericsson txt Pro (CK15i)
Side by side comparison between Sony Ericsson Xperia Arc vs Sony Ericsson txt Pro phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? Sony Ericsson Xperia Arc (LT15a)
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!
25 Advantages 
1 Advantage | 15 Common items in both devices |
| Until 32GB microSD, microSDHC |
| Only digital zoom |
| Capacitive |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| LiPo: li-ion polymer (Removable) |
| +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 Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Model | Xperia Arc (LT15a) | txt Pro (CK15i) |
| Other model names | Sony Xperia Arc LT15, Sony Ericsson X12, Sony Ericsson Anzu | Sony Ericsson txt Pro CK15, Sony txt Pro |
| Country or region available |     (Latin America), Brazil, Canada, USA |  (Global, International) |
| Brand | Sony Ericsson | Sony Ericsson |
| Release date | 3/1/2011 | 7/1/2011 |
| Depth | 8.7 millimeters (0.34 inches) | 18 millimeters (0.71 inches) |
| Size (width x height) | 63 x 125 millimeters (2.48 x 4.92 in) | 52 x 93 millimeters (2.05 x 3.66 in) |
| Weight | 117 grams (4.1 ounces) | 100 grams (3.5 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Display type | TFT LED-Backlit LCD | TFT LCD |
| Screen size | 4.2" inches | 3" inches |
| Screen-to-body ratio | ~61.7% (screen-to-body ratio) | ~53% (screen-to-body ratio) |
| Display resolution | 480x854 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 233 PPI | 155 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Scratch-resistant glass | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Sony Mobile BRAVIA Engine | feature not registered |
🤖 Operating System | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| System version | Android 2.3 Gingerbread | Proprietary OS |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Chipset | 32bit: Qualcomm Snapdragon S2 (MSM8255) (45nm) | 32bit |
| CPU | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) | Single-core, 1 processor: Single-core PNX-4910 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 205 (266MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| RAM memory | 512MB LPDDR2 | 64MB SDRAM |
| Internal storage | 1GB (287MB available) | 256MB (100MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G | 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 | UMTS 800/850/1900/2100 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | 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 | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Back camera (main camera) | 8 megapixels | 3.1 megapixels |
| Main camera resolution | 3264x2448 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | QVGA (320x240) |
| Flash | LED flash | 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 |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| 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 Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.263 |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | Not supported |
| Bluetooth | 2.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Battery type | LiPo: li-ion polymer (Removable) BA750 | LiPo: li-ion polymer (Removable) BST-43 |
| Battery capacity | 1500 mAh | 1000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 7 hours | 5.2 hours |
| Standby | 430 hours (17.9 days) | 400 hours (16.7 days) |
➕ Other features | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Midnight Blue, Misty Silver • 8GB microSD included Open ES 1.1 • SE Timescape Java framework | • Colors: Black, White, Pink • Facebook and Twitter • Google Mail and Google Talk Java framework |
☢️ Radiation rate | ||
| Sony Ericsson Xperia Arc (LT15a) | Sony Ericsson txt Pro (CK15i) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.66W/kg (head) | 0.8W/kg (head) |