Phone Comparison - LG Optimus L9 vs Samsung Galaxy S Duos 2 S7582 vs Huawei Ascend Y530
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| Manufacturer | LG | Samsung | Huawei |
| Announced | August 2012 | November 2013 | January 2014 |
| Status | Available - November 2012 | Available - November 2013 | Available - February 2014 |
| Colors | White | White, Black | Black with Grey, Black with Red, Black with Yellow, White with G |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
131.9 x 68.2 x 9.1 mm (5.19 x 2.69 x 0.36 in) |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
132.5 x 67 x 9.3 mm (5.22 x 2.64 x 0.37 in) |
| Weight | 125 g (4.41 oz) | 118 g (4.16 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 850 / 1900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.3 (Jelly Bean) |
| Processor | Dual-core 1 GHz Cortex-A9, TI OMAP 4430 | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 | Dual-core 1.2 GHz, Qualcomm MSM8210 |
| GPU | PowerVR SGX540 | Broadcom VideoCore IV | Adreno 302 |
| RAM | 1 GB | 768 MB | 512 MB |
| Internal Memory | 4 GB | 4 GB (1.9 GB user available) | 4 GB ROM |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD, capacitive touchscreen | TFT Capacitive Touchscreen, PLS | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.0 inches | 4.5 inches |
| Resolution | 540 x 960 pixels (234 ppi) | 480 x 800 pixels (233 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 67.90% | 59.52% | 62.68% |
| 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 | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging | Geo-tagging, Face Detection, HDR, Image Stabilization, Panorama, Red-eye reduction, Touch capture |
| Video | Yes | Yes, 720p@30fps | Yes, 720p |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | Yes, VGA [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Up to 86 kbps |
| Edge | Class 12 | Yes | Up to 237 kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct | 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 and GLONASS | Yes, with A-GPS support and GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 4 GB (1.9 GB user available), 768 MB RAM | 4 GB ROM, 512 MB 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 | 2150 mAh | 1500 mAh | 1750 mAh |
| Stand by | - | Up to 280 h (3G) | - |
| Talk Time | - | Up to 8 h (3G) | - |
