| Model and physical features | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Model | Liquid Z3 Duo | Redmi 8A (32GB/2GB) |
| Also known as | Acer Liquid Z3 Dual Sim, Acer Liquid Z3 Doble Sim | Xiaomi Redmi 8A M1908C3KG, MZB8457IN, MZB8458IN, MZB8459IN |
| Country or region available | feature not registered |   |
| Brand | Acer | Xiaomi |
| Release date | September, 2013 | September, 2019 |
| Depth | 10.4 millimeters (0.41 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 60 x 109 millimeters (2.36 x 4.29 in) | 75.4 x 156.3 millimeters (2.97 x 6.15 in) |
| Weight | 120 grams (4.2 ounces) | 188 grams (6.58 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Build, materials | feature not registered | Plastic body, front glass |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
| Operating system (OS) | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Operating system | Android 4.2.2 Jelly Bean | Android 9.0 Pie |
| Firmware update | feature not registered | feature not registered |
| Hardware | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Architecture - Chipset | 32bit - MediaTek MT6572 | 64bit - Qualcomm Snapdragon 439 SDM439 (12nm) |
| CPU processor | 1Ghz Dual-Core ARM Cortex-A7 | Octa-Core, 2 processors:
2Ghz Dual-Core ARM Cortex-A53
1.45Ghz Hexa-Core ARM Cortex-A53 |
| GPU graphical controller | ARM Mali-400 | Qualcomm Adreno 505 650Mhz |
| RAM memory | 512MB | 2GB LPDDR3 |
| Internal storage | 4GB | 32GB (21GB user available)
eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC
(dedicated slot) | Until 512GB microSD, microSDHC, microSDXC
(dedicated slot) |
| Display | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Display type | TFT LCD | TFT LCD IPS |
| Screen size | 3.5" inches | 6.2" inches |
| Screen-to-body ratio | ~55.8% (screen-to-body ratio) | ~81.4% (screen-to-body ratio) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Display resolution | 320x480 pixels | 720x1520 pixels |
| Pixel density (dot pitch) | 165 PPI | 271 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Mobile networks and data | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Dual-SIM | Dual SIM Standby - Call active on one sim card
(dedicated slot) | Dual SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 2 slots Dual-SIM
(dedicated slot) | 2 slots Dual-SIM
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 | CDMA 800 (China), GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/2100 | Global, India version:
UMTS 850/900/1900/2100
China version:
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1900/2100 |
| Primary 4G/5G network | Not supported | LTE Cat4
VoLTE
Global version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20)
TD-LTE (Bands 38, 40)
India version:
LTE (Bands 1, 3, 5, 8)
TD-LTE (Bands 40, 41)
China version:
LTE (Bands 1, 3, 5, 7, 8)
TD-LTE (Bands 34, 38, 39, 40, 41) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
| Maximum download/upload | 21/5.76 Mbps | 150/50 Mbps |
| Messaging and calling | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| 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 |
| Primary / back camera | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Main camera | 3.1 megapixels | 12 megapixels |
| Main camera resolution | 2048x1536 pixels | 4000x3000 pixels |
| Video recording (primary) | VGA (640x480 pixels) 24 fps | Full HD (1920x1080 pixels) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | feature not registered | 1.4µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo on both cameras |
| Front / secondary camera | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Front camera | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080 pixels) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
| Multimedia | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Radio | FM with RDS | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, AAC | MP3, WAV, WMA, eAAC+, FLAC |
| Connectivity and interfaces | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| TV output | Not supported | Not supported |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 3.0 version A2DP | 4.2 version A2DP |
| WiFi | 802.11 a/b/g/n (2.4Ghz, 5Ghz) | 802.11 b/g/n (2.4Ghz) |
| DLNA | feature not registered | Not supported |
| NFC | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| Infrared port | feature not registered | Not supported |
| Other functions | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Active noise cancellation | feature not registered | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Java / Flash player | Yes / No | Not supported |
| Sensors | Accelerometer
Proximity
Compass
Ambient Light
| Accelerometer
Proximity
Compass
Ambient Light
Face unlock
|
| Other features | - Colors: Rock Black, Classic White
- SRS sound
- WiFi hotspot
- Separately sold exchangable back covers in Sakura Pink, Pop Yellow, Lagoon Turquoise, Rock Black and Classic White | - Colors: Midnight Black, Ocean Blue, Sunset Red
- MIUI 11
- 19:9 display
- Sony IMX363 back camera sensor
- Quick Charge 3.0
- WiFi direct, hotspot |
| Power supply and autonomy | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| Battery | Li-Ion (Removable) | LiPo - Li-Ion polymer (Non removable)
Fast battery charging |
| Battery capacity | 1500 mAh | 5000 mAh |
| Battery model / charger (watts) | feature not registered | 18W |
| Talk time | feature not registered | 2520 minutes | 42 hours | 1.8 days |
| Standby | feature not registered | feature not registered |
| Radiation rate (SAR) | Acer Liquid Z3 Duo | Xiaomi Redmi 8A (32GB/2GB) |
| SAR USA, Mexico, Colombia | feature not registered | feature not registered |
| SAR European Union, UK | feature not registered | feature not registered |