Xiaomi Mi 4 (TD-LTE 16GB) vs Acer Liquid Z4 (Z140)
Side by side comparison between Xiaomi Mi 4 vs Acer Liquid Z4 phones, differences, pros, cons and full specifications. What's the better?
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5"
IPS
IPS
1080x1920
13
MP
MP
8mp
2GB
RAM
RAM
Quad-core
3080
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Mi 4 (TD-LTE 16GB)
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!
29 Advantages 
3 Advantages | 15 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| HDR photo/video only main camera / HDR photo only main camera |
| Capacitive |
| Multitouch |
| +8 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 | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Model | Xiaomi Mi 4 (TD-LTE 16GB) | Liquid Z4 (Z140) |
| Other model names | Xiaomi Mi4 4G TD-LTE for China, Xiaomi Leo | Acer Liquid Z140, Acer Liquid Z4 Single-Sim HM.HEQEE.008 |
| Country or region available |  China |  (Global, International) |
| Brand | Xiaomi | Acer |
| Release date | 8/1/2014 | 4/1/2014 |
| Depth | 8.9 millimeters (0.35 inches) | 9.7 millimeters (0.38 inches) |
| Size (width x height) | 68.5 x 139.2 millimeters (2.7 x 5.48 in) | 64 x 124 millimeters (2.52 x 4.88 in) |
| Weight | 149 grams (5.22 ounces) | 122 grams (4.27 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Display type | TFT LED-Backlit IPS LCD | TFT LCD |
| Screen size | 5" inches | 4" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~57.4% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 441 PPI | 233 PPI |
| Colors | 16 million | 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 | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| System version | Android 4.4.3 KitKat | Android 4.2.2 Jelly Bean |
| Firmware update | Android 6.0.1 Marshmallow | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Chipset | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) | 32bit: MediaTek MT6572 (28nm) |
| CPU | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) | Dual-core, 1 processor: 2x 1.3GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 330 578Mhz | ARM Mali-400 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 16GB (13GB available) | 4GB (2GB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 | UMTS 900/2100 |
| Primary 4G network | TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, TD-HSDPA, TD-LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Back camera (main camera) | 13 megapixels | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | HD (1280x720) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo/video only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.8 (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 |
🔉 Sound and multimedia | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Hall effect Proximity sensor | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) BAT-611 |
| Battery capacity | 3080 mAh | 1630 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 4 hours |
| Standby | 280 hours (11.7 days) | 250 hours (10.4 days) |
➕ Other features | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | Acer Liquid Z4 (Z140) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (Swype), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push 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 | Not supported |
| Miscellaneous | • Colors: Black, White • USB OTG On-The-Go 1.3 • MI UI 5.0 • WiFi display • Java framework | • Colors: Black, White • WiFi hotspot |
☢️ Radiation rate | ||
| Xiaomi Mi 4 (TD-LTE 16GB) | 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 |