LG Optimus L4 II (Dual E445) vs Sony Ericsson txt Pro (CK15i)
Side by side comparison between LG Optimus L4 II vs Sony Ericsson txt Pro phones, differences, pros, cons and full specifications. What's the better?
,
3.8"
IPS
IPS
320x480
3.1
MP
MP
512MB
RAM
RAM
Single-core
1700
mAh
mAh
(Removable)
vs
What's the better phone? LG Optimus L4 II (Dual E445)
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!
20 Advantages 
4 Advantages | 12 Common items in both devices |
| Until 32GB microSD, microSDHC |
| (back) 3.1MP |
| Only digital zoom |
| Capacitive |
| Accelerometer |
| 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 L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Model | Optimus L4 II (Dual E445) | txt Pro (CK15i) |
| Other model names | LG Optimus L4 2 Dual E445, LG E445 L4 Dual SIM, Dual Chip | Sony Ericsson txt Pro CK15, Sony txt Pro |
| Country or region available | feature not registered |  (Global, International) |
| Brand | LG | Sony Ericsson |
| Release date | 7/1/2013 | 7/1/2011 |
| Depth | 11.9 millimeters (0.47 inches) | 18 millimeters (0.71 inches) |
| Size (width x height) | 64.7 x 112.8 millimeters (2.55 x 4.44 in) | 52 x 93 millimeters (2.05 x 3.66 in) |
| Weight | 125 grams (4.38 ounces) | 100 grams (3.5 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 3.8" inches | 3" inches |
| Screen-to-body ratio | ~58.9% (screen-to-body ratio) | ~53% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 152 PPI | 155 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| System version | Android 4.1.2 Jelly Bean | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Chipset | 32bit: MediaTek MT6575 | 32bit |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A9 (Single-core) | Single-core, 1 processor: Single-core PNX-4910 (Single-core) |
| GPU graphical controller | PowerVR SGX531 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| RAM memory | 512MB LPDDR2 | 64MB SDRAM |
| Internal storage | 4GB | 256MB (100MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-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 900/2100 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Back camera (main camera) | 3.1 megapixels | 3.1 megapixels |
| Main camera resolution | 2048x1536 pixels | 2048x1536 pixels |
| Video recording (primary) | VGA (640x480) 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 | Not supported | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | 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 L4 II (Dual E445) | 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 | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG Optimus L4 II (Dual E445) | 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) | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Removable) BST-43 |
| Battery capacity | 1700 mAh | 1000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 10.5 hours | 5.2 hours |
| Standby | 652 hours (27.2 days) | 400 hours (16.7 days) |
➕ Other features | ||
| LG Optimus L4 II (Dual E445) | Sony Ericsson txt Pro (CK15i) | |
| Call control | Voice recorder | 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, HTML5 | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Black, White • WiFi hotspot | • Colors: Black, White, Pink • Facebook and Twitter • Google Mail and Google Talk Java framework |
☢️ Radiation rate | ||
| LG Optimus L4 II (Dual E445) | 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) |