| Model and physical features | Acer Liquid Z4 Z140 | LG V10 H900 |
| Model | Liquid Z4 Z140 | V10 H900 |
| Also known as | Acer Liquid Z140, Acer Liquid Z4 Single-Sim HM.HEQEE.008 | AT&T LG V10 H900, LG H900, LG HPF |
| Country or region available |  |  |
| Brand | Acer | LG |
| Release date | April, 2014 | October, 2015 |
| Depth | 9.7 millimeters (0.38 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 64 x 124 millimeters (2.52 x 4.88 in) | 79.3 x 159.6 millimeters (3.12 x 6.28 in) |
| Weight | 122 grams (4.27 ounces) | 192 grams (6.72 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
| Operating system (OS) | Acer Liquid Z4 Z140 | LG V10 H900 |
| Operating system | Android 4.2.2 Jelly Bean | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | Android 6.0.1 Marshmallow |
| Hardware | Acer Liquid Z4 Z140 | LG V10 H900 |
| Architecture - Chipset | 32bit - MediaTek MT6572 (28nm) | 64bit - Qualcomm Snapdragon 808 MSM8992 (20nm) |
| CPU processor | 1.3Ghz Dual-Core ARM Cortex-A7 | Hexa-Core, 2 processors:
1.8Ghz Dual-Core ARM Cortex-A57
1.4Ghz Quad-Core ARM Cortex-A53 |
| GPU graphical controller | ARM Mali-400 MP1 | Qualcomm Adreno 418 |
| RAM memory | 512MB LPDDR2 | 4GB LPDDR3 |
| Internal storage | 4GB (2GB user available) | 64GB (51GB user available) |
| External storage | Until 32GB microSD, microSDHC
(dedicated slot) | Until 200GB microSD, microSDHC, microSDXC
(dedicated slot) |
| Display | Acer Liquid Z4 Z140 | LG V10 H900 |
| Display type | TFT LCD | TFT LCD IPS |
| Screen size | 4" inches | 5.7" inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) | ~70.8% (screen-to-body ratio) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Display resolution | 480x800 pixels | 1440x2560 pixels |
| Pixel density (dot pitch) | 233 PPI | 515 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Mobile networks and data | Acer Liquid Z4 Z140 | LG V10 H900 |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot
micro-SIM (3FF) | 1 slot
nano-SIM (4FF) |
| 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 | UMTS 850/900/2100 |
| Primary 4G/5G network | Not supported | LTE Cat6 700/850/1700/1800/1900/2100/2300/2600 (Bands 1,2,3,4,5,7,12,29,30) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| 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 |
| Maximum download/upload | 21/5.76 Mbps | 300/50 Mbps |
| Messaging and calling | Acer Liquid Z4 Z140 | LG V10 H900 |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Not supported | Supported |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Primary / back camera | Acer Liquid Z4 Z140 | LG V10 H900 |
| Main camera | 5 megapixels | 16 megapixels |
| Main camera resolution | 2592x1944 pixels | 5312x2988 pixels |
| Video recording (primary) | HD (1280x720 pixels) 30 fps | 4K UHD (3840x2160 pixels) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 28mm lens |
| Sensor size | feature not registered | 1/2.6" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | LDAF: laser detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video only main camera |
| Front / secondary camera | Acer Liquid Z4 Z140 | LG V10 H900 |
| Front camera | Not supported | (dual front camera)
5 megapixels
5MP |
| Front camera resolution | Not supported | 2592x1944 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080 pixels) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (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 |
| Multimedia | Acer Liquid Z4 Z140 | LG V10 H900 |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity and interfaces | Acer Liquid Z4 Z140 | LG V10 H900 |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| TV output | Not supported | Micro-B USB SlimPort® |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 3.0 version A2DP | 4.1 version A2DP |
| WiFi | 802.11 b/g/n (2.4Ghz) | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) |
| DLNA | Not supported | Supported |
| NFC | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| Infrared port | Not supported | Supported |
| Other functions | Acer Liquid Z4 Z140 | LG V10 H900 |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Java / Flash player | Not supported | Not supported |
| Sensors | Accelerometer
Proximity
| Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Fingerprint
|
| Other features | - Colors: Black, White
- WiFi hotspot | - Colors: Black, Opal Blue
- 2.1" secondary display 160x1040 pixels
- Dual front camera
- Knock Code
- Hi-Fi DAC sound
- Quick Charge 2.0
- Fast battery charging: 50% in 40min
- WiFi direct, hotspot
- MIL-STD-810G certified: shock resistant |
| Power supply and autonomy | Acer Liquid Z4 Z140 | LG V10 H900 |
| Battery | Li-Ion (Removable) | Li-Ion (Removable) |
| Battery capacity | 1630 mAh | 3000 mAh |
| Battery model / charger (watts) | BAT-611 | feature not registered |
| Talk time | 240 minutes | 4 hours | 0.2 day | 960 minutes | 16 hours | 0.7 day |
| Standby | 15000 minutes | 250 hours | 10.4 days | 10080 minutes | 168 hours | 7 days |
| Radiation rate (SAR) | Acer Liquid Z4 Z140 | LG V10 H900 |
| SAR USA, Mexico, Colombia | feature not registered | feature not registered |
| SAR European Union, UK | feature not registered | feature not registered |