Phone Comparison - Samsung I9100 Galaxy S II vs LG Optimus L9 vs LG Optimus G Pro
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| Manufacturer | Samsung | LG | LG |
| Announced | February 2011 | August 2012 | February 2013 |
| Status | Available - April 2011 | Available - November 2012 | Available - April 2013 |
| Colors | Black, White, Pink | White | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
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) |
| Weight | 116 g (4.09 oz) | 125 g (4.41 oz) | 160 g (5.64 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.1.2 (Jelly Bean) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Dual-core 1 GHz Cortex-A9, TI OMAP 4430 | Quad-core 1.7 GHz Krait, Qualcomm Snapdragon 600 Processor |
| GPU | Mali-400MP | PowerVR SGX540 | Adreno 320 |
| RAM | 1 GB | 1 GB | 2 GB |
| Internal Memory | 16 GB/32 GB storage | 4 GB | 32 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | IPS LCD, capacitive touchscreen | True Curved Glass IPS AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.7 inches | 5.5 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 540 x 960 pixels (234 ppi) | 1080 x 1920 pixels (400 ppi) |
| Screen-to-Body Ratio | 63.52% | 67.90% | 73.15% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 5 MP, 2592 x 1944 pixels | 13 MP, 4128x3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto focus, Geo-tagging | Auto-focus, Geo-tagging, Face Detection, Image Stabilization |
| Video | Yes, 1080p@30fps | Yes | Yes, 1080p@30fps, LED video light |
| Front Camera | Yes, 2 MP [Similar] | Yes, VGA [Similar] | Yes, 2 MP, 720p@30fps [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 | Yes |
| Edge | Class 12 | Class 12 | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA, LTE |
| Bluetooth | Yes, v3.0+HS | Yes, with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot | 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 |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB Host |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML5 | HTML5, Adobe Flash |
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| Internal | 16GB/32GB storage, 1 GB RAM | 4 GB, 1 GB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 32 GB | microSD, up to 64 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 | Standard battery, Li-Ion | Non-removable, Li-Po Battery |
| Capacity | 1650 mAh | 2150 mAh | 3140 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
- | - |
| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
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