Phone Comparison - LG Optimus LTE2 vs Asus Zenfone 5 vs Samsung Galaxy Core 2 Duos
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| Manufacturer | LG | Asus | Samsung |
| Announced | May 2012 | January 2014 | June 2014 |
| Status | Available - August 2012 | Available - June 2014 | Available - July 2014 |
| Colors | Black | Black, White, Red, Blue, Gold | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
134.7 x 69.5 x 8.9 mm (5.3 x 2.74 x 0.35 in) |
148.2 x 72.8 x 5.5-10.3 (5.83 x 2.87 x 0.22-0.41) |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
| Weight | 145 g (5.11 oz) | 140 g (4.94 oz) | 138 g (4.87 oz) |
| 2G Network | CDMA 800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | LTE | - | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon | Dual-core 2.0 GHz / Dual-core 1.6 GHz, Intel Atom Z2580/Z2560 | Quad-core 1.2 GHz |
| GPU | Adreno 225 | PowerVR SGX544MP2 | - |
| RAM | 2 GB | 1/2 GB | 768 MB |
| Internal Memory | N/A | 8/16 GB | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | True HD-IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.0 inches | 4.5 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 720 x 1280 pixels (294 ppi) | 480 x 800 pixels (207 ppi) |
| Screen-to-Body Ratio | 65.25% | 63.76% | 65.25% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | TBD | FM Radio | FM Radio |
| Games | Yes + Downloadable | 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 | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection |
| Video | Yes, 1080p | Yes | Yes |
| Front Camera | Yes [Similar] | Yes, 2 MP [Similar] | Yes, VGA [Similar] |
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| GPRS | No | Yes | Yes |
| Edge | No | Yes | Yes |
| 3G | HSDPA, HSUPA, LTE | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP, EDR | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP |
| 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 Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| 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 and GLONASS |
| Browser | HTML, Adobe Flash | HTML | HTML |
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| Internal | 2 GB RAM | 8/16 GB, 1/2 GB RAM | 4 GB, 768 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 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-Po Battery | Li-Ion Battery |
| Capacity | 2150 mAh | 2110 mAh | 2000 mAh |
| Stand by | Up to 250 h | Up to 353 h (3G) | - |
| Talk Time | Up to 10 h | Up to 18 h 30 min (3G) | - |
