Phone Comparison - LG Optimus L9 vs LG Optimus G Pro vs Microsoft Lumia 540 Dual SIM
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| Manufacturer | LG | LG | Microsoft |
| Announced | August 2012 | February 2013 | April 2015 |
| Status | Available - November 2012 | Available - April 2013 | Available - May 2015 |
| Price | - | - | Rs. 8,100 ($119.12) [Similarly Priced] |
| Colors | White | Black | Orange, white, black, cyan |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
131.9 x 68.2 x 9.1 mm (5.19 x 2.69 x 0.36 in) |
150.2 x 76.1 x 9.4mm (5.91 x 3 x 0.37in) |
144 x 73.7 x 9.4 mm (5.67 x 2.9 x 0.37 in) |
| Weight | 125 g (4.41 oz) | 160 g (5.64 oz) | 152 g (5.36 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 900 / 2100 |
| 4G Network | - | LTE | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.1.2 (Jelly Bean) | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | Dual-core 1 GHz Cortex-A9, TI OMAP 4430 | Quad-core 1.7 GHz Krait, Qualcomm Snapdragon 600 Processor | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 200 |
| GPU | PowerVR SGX540 | Adreno 320 | Adreno 302 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 4 GB | 32 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | IPS LCD, capacitive touchscreen | True Curved Glass IPS AMOLED Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.5 inches | 5.0 inches |
| Resolution | 540 x 960 pixels (234 ppi) | 1080 x 1920 pixels (400 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 67.90% | 73.15% | 64.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 x 1944 pixels | 13 MP, 4128x3096 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto-focus, Geo-tagging, Face Detection, Image Stabilization | Auto focus, Sensor size: 1/4 inch, f/2.2 aperture |
| Video | Yes | Yes, 1080p@30fps, LED video light | 480p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 2 MP, 720p@30fps [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 | Up to 236 kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA, LTE | HSPA 42.2/5.76 Mbps |
| Bluetooth | Yes, with A2DP | Yes, v4.0 with A2DP | v4.0, 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, DLNA, Wi-Fi 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, Adobe Flash | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 32 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 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 | Non-removable, Li-Po Battery | Li-Ion Battery |
| Capacity | 2150 mAh | 3140 mAh | 2200 mAh |
| Stand by | - | - | Up to 576 h |
| Talk Time | - | - | Up to 26.2 h (2G) Up to 14.8 h (3G) |
