Phone Comparison - LG Optimus L9 vs LG Leon vs LG K7
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| Manufacturer | LG | LG | LG |
| Announced | August 2012 | February 2015 | January 2016 |
| Status | Available - November 2012 | Available - May 2015 | Available - April 2016 |
| Price | - | Rs. 6,800 ($99.99) [Similarly Priced] | Rs. 7,889 ($116.01) [Similarly Priced] |
| Colors | White | Yes | White, Black, Gold; Titan (LTE model) |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
131.9 x 68.2 x 9.1 mm (5.19 x 2.69 x 0.36 in) |
129.9 x 64.9 x 10.9 mm (5.11 x 2.56 x 0.43 in) |
143.6 x 72.5 x 9.1 mm (5.65 x 2.85 x 0.36 in) |
| Weight | 125 g (4.41 oz) | - | 161 g (5.68 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 | HSDPA |
| 4G Network | - | LTE (LTE model only) | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v5.0 (Lollipop) | Android OS, v5.1 (Lollipop) |
| Processor | Dual-core 1 GHz Cortex-A9, TI OMAP 4430 | Quad-core 1.2 GHz or 1.3 GHz | Quad-core 1.3 GHz (3G model) Quad-core 1.1 GHz (LTE model), Mediatek MT6580M (3G model) Qualcomm MSM8909 Snapdragon 210 (LTE model) |
| GPU | PowerVR SGX540 | - | Mali-400MP2 Adreno 304 |
| RAM | 1 GB | 1 GB | 1 GB |
| Internal Memory | 4 GB | 8 GB | 8 GB |
| External Memory | microSD, up to 32 GB | - | microSD, up to 32 GB |
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| Type | IPS LCD, capacitive touchscreen | Capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.5 inches | 5.0 inches |
| Resolution | 540 x 960 pixels (234 ppi) | 480 x 854 pixels (218 ppi) | 480 x 854 pixels (196 ppi) |
| Screen-to-Body Ratio | 67.90% | 66.01% | 66.12% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo 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 | 5 MP / 8 MP, autofocus | 5 MP or 8 MP |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Geo-tagging | Autofocus, Geo-tagging, touch focus, face detection |
| Video | Yes | Yes | 720p |
| Front Camera | Yes, VGA [Similar] | VGA [Similar] | 5 MP [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 | HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE |
| Bluetooth | Yes, with A2DP | Yes | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA | Yes | Yes |
| 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 | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 8 GB, 1 GB RAM | 8 GB, 1 GB RAM 16 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | - | 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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2150 mAh | 1900 mAh | 2125 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
