Acer Liquid Z4 (Z140) vs BlackBerry 6720
Side by side comparison between Acer Liquid Z4 vs BlackBerry 6720 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!
24 Advantages 
0 Advantage | 2 Common items in both devices |
| Li-Ion: lithium-ion (Removable) |
| Vibrating alert |
| + 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) | BlackBerry 6720 | |
| Model | Liquid Z4 (Z140) | BlackBerry 6720 |
| Other model names | Acer Liquid Z140, Acer Liquid Z4 Single-Sim HM.HEQEE.008 | RIM BlackBerry 6720 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Acer | BlackBerry |
| Release date | 4/1/2014 | 10/1/2002 |
| 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) | 77 x 121 millimeters (3.03 x 4.76 in) |
| Weight | 122 grams (4.27 ounces) | 138 grams (4.83 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| Display type | TFT LCD | Monochromatic |
| Screen size | 4" inches | 3" inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) | ~31.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 160x160 pixels |
| Touchscreen | Capacitive Multitouch | Not supported |
| Pixel density (dot pitch) | 233 PPI | 75 PPI |
| Colors | 16 million | 2 |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| System version | Android 4.2.2 Jelly Bean | BlackBerry OS 3.0 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| Chipset | 32bit: MediaTek MT6572 (28nm) | feature not registered |
| CPU | Dual-core, 1 processor: 2x 1.3GHz ARM Cortex-A7 (Dual-core) | Single-core, 1 processor: Single-core ARM 7EJ-S Core (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) | BlackBerry 6720 | |
| RAM memory | 512MB LPDDR2 | 1MB |
| Internal storage | 4GB (2GB available) | 16MB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| 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 | feature not registered |
| Network technology | 2G, 3G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| 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+ | Not supported |
| 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) | BlackBerry 6720 | |
| Back camera (main camera) | 5 megapixels | Not supported |
| Main camera resolution | 2592x1944 pixels | Not supported |
| Video recording (primary) | HD (1280x720) 30 fps | Not supported |
| 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 | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo only main camera | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| 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) | BlackBerry 6720 | |
| Loudspeaker | Supported | feature not registered |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+ | feature not registered |
🔌 Connectivity | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| USB | MicroUSB 2.0 | USB 1.1 proprietary connector |
| Audio output | 3.5mm jack | 2.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | Not supported |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | Not supported |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| Sensors | Accelerometer Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| Battery type | Li-Ion: lithium-ion (Removable) BAT-611 | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1630 mAh | feature not registered |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 4 hours | 4 hours |
| Standby | 250 hours (10.4 days) | 240 hours (10 days) |
➕ Other features | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| Call control | Voice dialing, Voice recorder | Not supported |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, E-mail |
| Hands-free calling | Supported | Not supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Monophonic |
| Web browser | HTML, XHTML | WAP |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Fixed QWERTY keyboard |
| Miscellaneous | • Colors: Black, White • WiFi hotspot | • Colors: Black • Monochrome STN display |
☢️ Radiation rate | ||
| Acer Liquid Z4 (Z140) | BlackBerry 6720 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |