Phone Comparison - LG Optimus Vu vs Acer Liquid S2 vs Acer Iconia A3
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| Manufacturer | LG | Acer | Acer |
| Announced | August 2012 | August 2013 | September 2013 |
| Status | Available - November 2012 | Available - December 2013 | Available - November 2013 |
| Colors | Black, White | Black, Red | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
139.6 x 90.4 x 8.5 mm (5.5 x 3.56 x 0.33 in) |
166 x 86 x 8.99 mm (6.54 x 3.39 x 0.35 in) |
10.15 mm thick (0.4 in thick) |
| Weight | 168 g (5.93 oz) | 231 g (8.15 oz) | 600 g (21.16 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE 800 / 1800 / 2600 | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Quad-core 1.3 GHz Cortex-A9, Nvidia Tegra 3 | Quad-core 2.2 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 1.2 GHz Cortex-A7, MediaTek MT8125 |
| GPU | ULP GeForce | Adreno 330 | PowerVR SGX 544MP |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 32 GB storage | 16 GB | 16/32 GB |
| External Memory | No | microSD, up to 128 GB | microSD, up to 32 GB |
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| Type | HD-IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 6.0 inches | 10.1 inches |
| Resolution | 768 x 1024 pixels (256 ppi) | 1080 x 1920 pixels (367 ppi) | 1280 x 800 pixels (149 ppi) |
| Screen-to-Body Ratio | 61.35% | 69.58% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, autofocus | 5 MP, 2592х1944 pixels |
| Flash | LED flash | LED Ring Flash | No |
| Features | Auto focus, Geo-tagging, Face Detection, Image Stabilization | Geo-tagging, 27 MP Panorama Photos | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 1080p@30fps, LED video light | Yes, 4K@30fps, 1080p@60fps | Yes, 720p@30fps |
| Front Camera | Yes, 1.3 MP [Similar] | Yes, 2 MP, 1080p@30fps [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE-A, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP, HS | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB (MHL) v2.0 | Yes, microUSB v2.0 | Yes, v2.0, USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML5, Adobe Flash | HTML5 | HTML5 |
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| Internal | 32 GB storage, 1 GB RAM | 16 GB, 2 GB RAM | 16/32 GB, 1 GB RAM |
| Expandable Storage | No | microSD, up to 128 GB | microSD, up to 32 GB |
| USB OTG | - | - | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Standard battery, Li-Ion | Li-Po Battery | Non-removable Li-Ion battery |
| Capacity | 2100 mAh | 3300 mAh | 3540 mAh |
| Stand by | Up to 550 h (2G) Up to 500 h (3G) |
- | - |
| Talk Time | Up to 8 h (2G) Up to 7 h (3G) |
- | Up to 11 h (Multimedia) |
