Micromax A25 (Smarty) vs Acer Liquid Z4 (Z140)
Side by side comparison between Micromax A25 vs Acer Liquid Z4 phones, differences, pros, cons and full specifications. What's the better?
,
2.8"
TFT
TFT
240x320
1.3
MP
MP
256MB
RAM
RAM
Single-core
1280
mAh
mAh
(Removable)
vs
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!
3 Advantages 
23 Advantages | 12 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Li-Ion: lithium-ion (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 | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Change model | ||
| Model | A25 (Smarty) | Liquid Z4 (Z140) |
| Other model names | Micromax Smarty A25, Micromax A25 Smarty | Acer Liquid Z140, Acer Liquid Z4 Single-Sim HM.HEQEE.008 |
| Country or region available |  India |  (Global, International) |
| Brand | Micromax | Acer |
| Release date | 10/1/2012 | 4/1/2014 |
| Depth | 13 millimeters (0.51 inches) | 9.7 millimeters (0.38 inches) |
| Size (width x height) | 56 x 104.5 millimeters (2.2 x 4.11 in) | 64 x 124 millimeters (2.52 x 4.88 in) |
| Weight | 102 grams (3.57 ounces) | 122 grams (4.27 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 2.8" inches | 4" inches |
| Screen-to-body ratio | ~41.5% (screen-to-body ratio) | ~57.4% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 143 PPI | 233 PPI |
| Colors | 260 thousand | 16 million |
| 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 | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| System version | Android 2.3.6 Gingerbread | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Chipset | 32bit: MediaTek MT6515 (40nm) | 32bit: MediaTek MT6572 (28nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A9 (Single-core) | Dual-core, 1 processor: 2x 1.3GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | PowerVR SGX531 Ultra 522Mhz | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| RAM memory | 256MB | 512MB LPDDR2 |
| Internal storage | 512MB (120MB available) | 4GB (2GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 0.236 Mbps | 21/5.76 Mbps |
| Network technology | 2G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 900/1800 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 900/1800 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Back camera (main camera) | 1.3 megapixels | 5 megapixels |
| Main camera resolution | 1280x1024 pixels | 2592x1944 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | HD (1280x720) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| 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 | Autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| 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 | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, AAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 3.0 + A2DP |
| WiFi | Not supported | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Sensors | Accelerometer | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BAT-611 |
| Battery capacity | 1280 mAh | 1630 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 4 hours | 4 hours |
| Standby | 180 hours (7.5 days) | 250 hours (10.4 days) |
➕ Other features | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black Java framework | • Colors: Black, White • WiFi hotspot |
☢️ Radiation rate | ||
| Micromax A25 (Smarty) | Acer Liquid Z4 (Z140) | |
| 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 |