Acer Liquid Z4 (Z140) vs Sony Ericsson txt Pro (CK15a)
Side by side comparison between Acer Liquid Z4 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? Acer Liquid Z4 (Z140)
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!
21 Advantages 
4 Advantages | 12 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| 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 | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Model | Liquid Z4 (Z140) | txt Pro (CK15a) |
| Other model names | Acer Liquid Z140, Acer Liquid Z4 Single-Sim HM.HEQEE.008 | Sony Ericsson txt Pro CK15, Sony txt Pro |
| Country or region available |  (Global, International) |    (Latin America), Canada, USA |
| Brand | Acer | Sony Ericsson |
| Release date | 4/1/2014 | 7/1/2011 |
| Depth | 9.7 millimeters (0.38 inches) | 18 millimeters (0.71 inches) |
| Size (width x height) | 64 x 124 millimeters (2.52 x 4.88 in) | 52 x 93 millimeters (2.05 x 3.66 in) |
| Weight | 122 grams (4.27 ounces) | 100 grams (3.5 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 3" inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) | ~53% (screen-to-body ratio) |
| Display resolution | 480x800 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 | Not supported | Scratch-resistant glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| System version | Android 4.2.2 Jelly Bean | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Chipset | 32bit: MediaTek MT6572 (28nm) | 32bit |
| CPU | Dual-core, 1 processor: 2x 1.3GHz ARM Cortex-A7 (Dual-core) | Single-core, 1 processor: Single-core PNX-4910 (Single-core) |
| GPU graphical controller | ARM Mali-400 MP1 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| RAM memory | 512MB LPDDR2 | 64MB SDRAM |
| Internal storage | 4GB (2GB available) | 256MB (100MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 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 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, 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 | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Back camera (main camera) | 5 megapixels | 3.1 megapixels |
| Main camera resolution | 2592x1944 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | QVGA (320x240) |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.4 (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 | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| 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 | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Acer Liquid Z4 (Z140) | 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 | 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 | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| Battery type | Li-Ion: lithium-ion (Removable) BAT-611 | LiPo: li-ion polymer (Removable) BST-43 |
| Battery capacity | 1630 mAh | 1000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 4 hours | 5.2 hours |
| Standby | 250 hours (10.4 days) | 400 hours (16.7 days) |
➕ Other features | ||
| Acer Liquid Z4 (Z140) | 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 | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | 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 | ||
| Acer Liquid Z4 (Z140) | Sony Ericsson txt Pro (CK15a) | |
| 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) |