Phone Comparison - LG Optimus F3 LS720 vs LG K3 vs LG K4 (2017)
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| Manufacturer | LG | LG | LG |
| Announced | June 2013 | August 2016 | December 2016 |
| Status | Coming Soon - June 2013 | Coming Soon - August 2016 | Coming Soon - January 2017 |
| Price | - | Rs. 5,500 ($80.00) [Similarly Priced] | - |
| Colors | Purple, Titanium | Black/Dark BLue | Titan, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
116.1 x 62 x 11.2 mm (4.57 x 2.44 x 0.44 in) |
133.8 x 67.7 x 9.4 mm (5.27 x 2.67 x 0.37 in) |
144.76 x 72.6 x 7.9 mm (5.7 x 2.86 x 0.31 in) |
| Weight | 140 g (4.94 oz) | 127 g (4.48 oz) | 135 g (4.76 oz) |
| 2G Network | CDMA 800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) CDMA2000 1xEV-DO - LS450 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | CDMA2000 1xEV-DO | HSDPA 850 / 900 / 1900 / 2100 - K100 HSDPA 850 / 1700(AWS) / 1900 - LS450 |
HSDPA 850 / 900 / 2100 - K130E |
| 4G Network | LTE 1900 | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) - K100 | LTE band 3(1800), 7(2600), 20(800) - K130E |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Notification LED | - | - | No |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v6.0 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) |
| Processor | Dual-core 1.2 GHz | Quad-core 1.1 GHz Cortex-A53 Quad-core 1.1 GHz Cortex-A7, Mediatek MT6737M - K100 Qualcomm MSM8909 Snapdragon 210 - LS450 |
Quad-core 1.1 GHz Cortex-A7, Qualcomm MSM8909 Snapdragon 210 |
| GPU | - | Mali-T720MP2 Adreno 304 |
Adreno 304 |
| RAM | N/A | 1 GB | 1 GB |
| Internal Memory | 4 GB (1.24 GB user available) | 8 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen | IPS LCD capacitive touchscreen, In-cell Touch |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.5 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 854 pixels (218 ppi) | 480 x 854 pixels (196 ppi) |
| Screen-to-Body Ratio | 63.40% | 61.43% | 65.50% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2560x1920 pixels | 5 MP, 2592 х 1944 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED Flash (LS450) | LED flash |
| Features | Auto focus, Geo-tagging | Geo-tagging, Touch Focus, Face Detection | AutoFocus, Geotagging, HDR, Panorama |
| Video | Yes, 1080p | 720p@30fps | Yes |
| Front Camera | Yes, VGA [Similar] | VGA [Similar] | 5 MP [Similar] |
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| GPRS | No | Yes | Yes |
| Edge | No | Yes | Yes |
| 3G | EV-DO Rev. A, up to 3.1 Mbps, LTE | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE, VoLTE |
| Bluetooth | Yes, v4.0 with A2DP | v4.1, A2DP, LE | v4.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB (1.24 GB user available) | 8 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB |
| USB OTG | - | - | Not 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 | Li-Ion Battery | Removable Li-Ion Battery | Removable Li-Ion Battery |
| Capacity | 2460 mAh | 1940 mAh | 2500 mAh |
| Stand by | - | - | - |
| Talk Time | Up to 16 h | - | - |
