LG Optimus L9 (P769) vs Sony Ericsson txt Pro (CK15i)
Side by side comparison between LG Optimus L9 vs Sony Ericsson txt Pro phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
IPS
IPS
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Dual-core
2150
mAh
mAh
(Removable)
vs
What's the better phone? LG Optimus L9 (P769)
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!
26 Advantages 
2 Advantages | 12 Common items in both devices |
| Until 32GB microSD, microSDHC |
| Only digital zoom |
| Capacitive |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| Li-Ion: lithium-ion (Removable) / LiPo: li-ion polymer (Removable) |
| +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 | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Model | Optimus L9 (P769) | txt Pro (CK15i) |
| Other model names | T-Mobile LG Optimus L9 P769, LG P769 Optimus L9 | Sony Ericsson txt Pro CK15, Sony txt Pro |
| Country or region available |  USA |  (Global, International) |
| Brand | LG | Sony Ericsson |
| Release date | 10/31/2012, Announced: 10/1/2012 | 7/1/2011 |
| Depth | 9.1 millimeters (0.36 inches) | 18 millimeters (0.71 inches) |
| Size (width x height) | 68.8 x 127.8 millimeters (2.71 x 5.03 in) | 52 x 93 millimeters (2.05 x 3.66 in) |
| Weight | 119 grams (4.17 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 | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 4.5" inches | 3" inches |
| Screen-to-body ratio | ~63.5% (screen-to-body ratio) | ~53% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 245 PPI | 155 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 2 | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Proprietary OS |
| Firmware update | Android 4.1.2 Jelly Bean | feature not registered |
| User Interface | LG Optimus UI 3.0 | feature not registered |
⚙️ Processor | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Chipset | 32bit: Texas Instruments OMAP 4430 (45nm) | 32bit |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Single-core, 1 processor: Single-core PNX-4910 (Single-core) |
| GPU graphical controller | PowerVR SGX540 MP1 (365MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| RAM memory | 1GB LPDDR2 | 64MB SDRAM |
| Internal storage | 4GB (2.68GB available) eMMC 4.41 | 256MB (100MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus L9 (P769) | 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 | 21/5.76 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 850/1700/1900/2100 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | 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 | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Back camera (main camera) | 5 megapixels | 3.1 megapixels |
| Main camera resolution | 2592x1944 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 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 | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| Video recording (secondary) | VGA (640x480) | 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 | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Loudspeaker | Mono sound (not stereo) Dolby Mobile sound | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.263, H.264, WMV | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, 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 | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Removable) BST-43 |
| Battery capacity | 2150 mAh | 1000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 5 hours | 5.2 hours |
| Standby | 672 hours (28 days) | 400 hours (16.7 days) |
➕ Other features | ||
| LG Optimus L9 (P769) | 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 | 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: White, Black • QMemo, QTranslator • Java framework | • Colors: Black, White, Pink • Facebook and Twitter • Google Mail and Google Talk • Java framework |
☢️ Radiation rate | ||
| LG Optimus L9 (P769) | Sony Ericsson txt Pro (CK15i) | |
| 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) |