Phone Comparison - Samsung Galaxy Ace Duos vs LG Optimus L9 vs LG L80 Dual
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| Manufacturer | Samsung | LG | LG |
| Announced | May 2012 | August 2012 | April 2014 |
| Status | Available - June 2012 | Available - November 2012 | Coming Soon - May 2014 |
| Colors | Black | White | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.7 x 61.5 x 11.5 mm (4.44 x 2.42 x 0.45 in) |
131.9 x 68.2 x 9.1 mm (5.19 x 2.69 x 0.36 in) |
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| Weight | 122 g (4.3 oz) | 125 g (4.41 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread) | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.4.2 (KitKat) |
| Processor | 832 MHz | Dual-core 1 GHz Cortex-A9, TI OMAP 4430 | Dual-core 1.2 GHz Cortex-A7, Qualcomm MSM8210 Snapdragon 200 |
| GPU | PowerVR SGX540 | Adreno 302 | |
| RAM | N/A | 1 GB | 1 GB |
| Internal Memory | 3 GB storage, 512 MB | 4 GB | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD, capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 4.7 inches | 5.0 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 540 x 960 pixels (234 ppi) | 480 x 800 pixels (187 ppi) |
| Screen-to-Body Ratio | 52.52% | 67.90% | - |
| 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 |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 5 MP, 2592 x 1944 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | No | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama |
| Video | Yes | Yes | Yes |
| Front Camera | No [Similar] | Yes, VGA [Similar] | TBD [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Class 12 | Yes |
| 3G | HSDPA, 7.2 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML5 | HTML |
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| Internal | 3GB storage, 512 MB | 4 GB, 1 GB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | 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 | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 1300 mAh | 2150 mAh | 2540 mAh |
| Stand by | Up to 520 h (2G) Up to 410 h (3G) |
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| Talk Time | Up to 6 h 30 min (2G) Up to 16 h 40 min (3G) |
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