Phone Comparison - LG Optimus L9 vs Acer Liquid E2 Duo vs Samsung Galaxy Win Duos I8552
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| Manufacturer | LG | Acer | Samsung |
| Announced | August 2012 | April 2013 | April 2013 |
| Status | Available - November 2012 | Coming Soon - May 2013 | Available - May 2013 |
| Colors | White | Black, White | Ceramic White, Titan Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
131.9 x 68.2 x 9.1 mm (5.19 x 2.69 x 0.36 in) |
131 x 68 x 9.9 mm (5.16 x 2.68 x 0.39 in) |
133.3 x 70.7 x 9.7 mm (5.25 x 2.78 x 0.38 in) |
| Weight | 125 g (4.41 oz) | 140 g (4.94 oz) | 143.9 g (5.04.0.32 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 1900 / 2100 | HSDPA | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2.1 (Jelly Bean) | Android OS, v4.1.2 (Jelly Bean) |
| Processor | Dual-core 1 GHz Cortex-A9, TI OMAP 4430 | Quad-core 1.2 GHz Cortex-A7, MTK 6589 | Quad-core 1.2 GHz Cortex-A5, Qualcomm MSM8625Q Snapdragon 200 |
| GPU | PowerVR SGX540 | PowerVR SGX 544MP | Adreno 203 |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 4 GB | 4 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD, capacitive touchscreen | IPS LCD capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.5 inches | 4.7 inches |
| Resolution | 540 x 960 pixels (234 ppi) | 540 x 960 pixels (245 ppi) | 480 x 800 pixels (199 ppi) |
| Screen-to-Body Ratio | 67.90% | 62.55% | 66.38% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 x 1944 pixels | 8 MP, 3264 x 2448 pixels | 5 MP, 2592x1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection |
| Video | Yes | Yes, 1080p@30fps | Yes, 720p@15fps |
| Front Camera | Yes, VGA [Similar] | Yes, 2 MP [Similar] | Yes, VGA [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 12 | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+ | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, with A2DP | Yes, v3.0 with A2DP, EDR | Yes, v3.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML5 | HTML | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 4 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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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-Ion Battery | Li-Ion Battery |
| Capacity | 2150 mAh | 2000 mAh | 2000 mAh |
| Stand by | - | Up to 450 h | Up to 210 h |
| Talk Time | - | Up to 9 h | Up to 11 h |
