Phone Comparison - LG Optimus 4X HD vs Samsung Galaxy S4 Mini vs LG Optimus GK
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| Manufacturer | LG | Samsung | LG |
| Announced | February 2012 | May 2013 | April 2013 |
| Status | Available - June 2012 | Available - July 2013 | Coming Soon - Q2 2013 |
| Colors | Black | White Frost, Black Mist | Platinum White, Indigo Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
132.4 x 68.1 x 8.9mm (5.21 x 2.68 x 0.35in) |
124.6 x 61.3 x 8.94 mm (4.91 x 2.41 x 0.35 in) |
139.1 x 69.9 x 9.9 mm (5.48 x 2.75 x 0.39 in) |
| Weight | 133 g (4.69 oz) | 107 g (3.77 oz) | 156 g (5.5 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - GT-I9190 GSM 850 / 900 / 1800 / 1900 - GT-I9192 (SIM 1 & SIM 2) |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 1900 / 2100 | HSDPA 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | - | LTE - GT-I9195 | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.1.2 (Jelly Bean) |
| Processor | Quad-core 1.5 GHz Cortex-A9, Nvidia Tegra 3 | Dual-core 1.7 GHz Krait 200, Qualcomm MSM8930 Snapdragon 400 | Quad-core 1.7 GHz Krait 300, Qualcomm APQ8064T Snapdragon 600 |
| GPU | ULP GeForce | Adreno 305 | Adreno 320 |
| RAM | 1 GB | 1.5 GB | 2 GB |
| Internal Memory | 16 GB storage | 8 GB (5 GB user available) | 16 GB |
| External Memory | Upto 16 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | HD-IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen | True Full HD IPS LCD Capacitive Touchscreen with Zerogap Touch |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.3 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 540 x 960 pixels (256 ppi) | 1080 x 1920 pixels (440 ppi) |
| Screen-to-Body Ratio | 67.74% | 66.82% | 71.07% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Yes | Stereo FM radio with RDS | Stereo 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 | 13 MP, 4208 x 3120 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Face And Smile Detection, Touch Focus, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Face Detection, Image Stabilization, Panorama, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | Yes, 1080p@30fps, dual-video rec., HDR |
| Front Camera | Yes, 1.3 MP [Similar] | Yes, 1.9 MP [Similar] | Yes, 2.1 MP, 1080p@30fps [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 | HSDPA 14.4 Mbps, HSUPA 5.76 Mbps | HSDPA, HSUPA, LTE |
| Bluetooth | Yes, with A2DP | Yes, v4.0 with A2DP, LE, EDR | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB (MHL) v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS |
| Browser | HTML5, Adobe Flash | HTML5 | HTML5, Adobe Flash |
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| Internal | 16 GB storage, 1 GB RAM | 8 GB (5 GB user available), 1.5 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | Yes | microSD, up to 32 GB | microSD, up to 64 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-Ion battery | Li-Po Battery |
| Capacity | 2150 mAh | 1900 mAh | 3100 mAh |
| Stand by | Up to 730 h (2G) Up to 686 h (3G) |
Up to 300 h (3G) | - |
| Talk Time | Up to 9 h 20 min (2G) Up to 10 h 50 min (3G) |
Up to 12 h (3G) | - |
