Lenovo Vibe K4 Note vs Sony Ericsson txt Pro (CK15a)
Side by side comparison between Lenovo Vibe K4 Note vs Sony Ericsson txt Pro phones, differences, pros, cons and full specifications. What's the better?
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5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
3GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
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What's the better phone? Lenovo Vibe K4 Note
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!
31 Advantages 
2 Advantages | 11 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Accelerometer |
| Ambient light sensor |
| Proximity sensor |
| Hands-free calling |
| Vibrating alert |
| +4 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 | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Change model | ||
| Model | Vibe K4 Note | txt Pro (CK15a) |
| Other model names | Lenovo Vibe K4 Note A7010 a48 (A7010a48) | Sony Ericsson txt Pro CK15, Sony txt Pro |
| Country or region available | feature not registered |    (Latin America), Canada, USA |
| Brand | Lenovo | Sony Ericsson |
| Release date | 1/19/2016 | 7/1/2011 |
| Depth | 9.1 millimeters (0.36 inches) | 18 millimeters (0.71 inches) |
| Size (width x height) | 76.5 x 153.6 millimeters (3.01 x 6.05 in) | 52 x 93 millimeters (2.05 x 3.66 in) |
| Weight | 160 grams (5.6 ounces) | 100 grams (3.5 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 5.5" inches | 3" inches |
| Screen-to-body ratio | ~71% (screen-to-body ratio) | ~53% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 240x400 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 401 PPI | 155 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 3 | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| System version | Android 5.1.1 Lollipop | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Chipset | 64bit: MediaTek MT6753 (28nm) | 32bit |
| CPU | Octa-core, 2 processors: 4x 1.3GHz ARM Cortex-A53 (Quad-core) 4x 1.3GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: Single-core PNX-4910 (Single-core) |
| GPU graphical controller | ARM Mali-T720 MP3 (600MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| RAM memory | 3GB LPDDR3 | 64MB SDRAM |
| Internal storage | 16GB (10GB available) eMMC 4.5 | 256MB (100MB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 150/50 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 | UMTS 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Back camera (main camera) | 13 megapixels | 3.1 megapixels |
| Main camera resolution | 4128x3096 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | QVGA (320x240) |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2592x1944 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | 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 | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Loudspeaker | Stereo sound Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) BST-43 |
| Battery capacity | 3300 mAh | 1000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 22 hours | 5.2 hours |
| Standby | 265 hours (11 days) | 400 hours (16.7 days) |
➕ Other features | ||
| Lenovo Vibe K4 Note | 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 | • Colors: Black, White, Pink • Facebook and Twitter • Google Mail and Google Talk • Java framework |
☢️ Radiation rate | ||
| Lenovo Vibe K4 Note | Sony Ericsson txt Pro (CK15a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.84W/kg (head) | 0.8W/kg (head) |