Phone Comparison - LG Optimus L9 vs LG G2 vs LG K8 (2017)
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| Manufacturer | LG | LG | LG |
| Announced | August 2012 | August 2013 | December 2016 |
| Status | Available - November 2012 | Available - September 2013 | Coming Soon - January 2017 |
| Colors | White | Black, White | Silver, Titan, Dark Blue, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
131.9 x 68.2 x 9.1 mm (5.19 x 2.69 x 0.36 in) |
138.5 x 70.9 x 8.9 mm (5.45 x 2.79 x 0.35 in) |
144.8 x 72.1 x 8.09 mm (5.7 x 2.84 x 0.32 in) |
| Weight | 125 g (4.41 oz) | 143 g (5.04 oz) | 142 g (5.01 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | - | LTE (Region Dependent) | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v7.0 (Nougat) |
| Processor | Dual-core 1 GHz Cortex-A9, TI OMAP 4430 | Quad-core 2.26 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 |
| GPU | PowerVR SGX540 | Adreno 330 | Adreno 308 |
| RAM | 1 GB | 2 GB | 1.5 GB |
| Internal Memory | 4 GB | 32 GB | 16 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 32 GB |
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| Type | IPS LCD, capacitive touchscreen | True HD-IPS + LCD capacitive touchscreen, Corning Gorilla Glass 3 | IPS LCD capacitive touchscreen, In-cell Touch |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.2 inches | 5.0 inches |
| Resolution | 540 x 960 pixels (234 ppi) | 1080 x 1920 pixels (424 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 67.90% | 75.78% | 65.89% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | 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 | 13 MP, 4128 x 3096 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto-focus, Geo-tagging, Face Detection, Image Stabilization, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama |
| Video | Yes | Yes, 1080p@60fps | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 2.1 MP, 1080p@30fps [Similar] | 5 MP [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Class 12 |
| Edge | Class 12 | Class 12 | Class 12 |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps, VoLTE |
| Bluetooth | Yes, with A2DP | Yes, v4.0 with A2DP | v4.2, A2DP |
| 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 Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 32 GB, 2 GB RAM | 16 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 32 GB |
| USB OTG | - | Supported | 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 | Non-removable Li-Po Battery | Removable Li-Ion Battery |
| Capacity | 2150 mAh | 3000 mAh | 2500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
