Phone Comparison - LG Optimus 4G LTE vs Samsung Galaxy A3 Duos vs Sony Xperia E4
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| Manufacturer | LG | Samsung | Sony |
| Announced | November 2011 | October 2014 | February 2015 |
| Status | Available - November 2011 | Available - November 2014 | Available - March 2015 |
| Price | - | Rs. 14,265 ($209.78) [Similarly Priced] | Rs. 11,490 ($168.97) [Similarly Priced] |
| Colors | Black | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
133.9 x 67.9 x 10.5 mm (5.27 x 2.67 x 0.41 in) |
130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in) |
137 x 74.6 x 10.5 mm (5.39 x 2.94 x 0.41 in) |
| Weight | 135 g (4.76 oz) | 110.3 g (3.88.0.11 oz) | 144 g (5.08 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 - E2104 HSDPA 900 / 2100 - E2105 |
| 4G Network | LTE 700 / 1700 | LTE | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 1.5 GHz | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582 |
| GPU | Adreno 306 | Mali-400MP2 | |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 2 GB storage | 16 GB | 8 GB |
| External Memory | microSD, up to 32GB, 8GB included | No | microSD, up to 32 GB |
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| Type | HD-IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS Capacitive Touchscreen, Scratch-resistant Glass |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 4.5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (326 ppi) | 540 x 960 pixels (245 ppi) | 540 x 960 pixels (220 ppi) |
| Screen-to-Body Ratio | 61.54% | 65.39% | 67.61% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | FM radio with RDS |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | Yes, 1080p | - | 1080p@30fps |
| Front Camera | Yes, 1.3 MP [Similar] | 5 MP [Similar] | 2 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Up to 107 kbps |
| Edge | Yes | Yes | Up to 296 kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, 75 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 21.1/5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP, EDR | v4.0, A2DP, EDR, LE | v4.1, A2DP, apt-X |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB (MHL) v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS |
| Browser | HTML, Adobe Flash | HTML5 | HTML |
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| Internal | 2 GB storage, 1 GB RAM | 16 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8GB included | No | 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 | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 1900 mAh | 2300 mAh | |
| Stand by | Up to 252 h | - | Up to 696 h (2G) Up to 653 h (3G) |
| Talk Time | Up to 3 h | - | Up to 12 h (2G) Up to 12 h 40 min (3G) |
