Phone Comparison - LG G3 vs Samsung Galaxy A3 Duos vs HTC Desire 620 Dual SIM
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| Manufacturer | LG | Samsung | HTC |
| Announced | May 2014 | October 2014 | December 2014 |
| Status | Available - June 2014 | Available - November 2014 | Available - December 2014 |
| Price | - | Rs. 14,265 ($209.78) [Similarly Priced] | - |
| Colors | Black, White, Gold | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | Blue, Black, Gray, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
146.3 x 74.6 x 8.9 mm (5.76 x 2.94 x 0.35 in) |
130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in) |
150.1 x 72.7 x 9.6 mm (5.91 x 2.86 x 0.38 in) |
| Weight | 149 g (5.26 oz) | 110.3 g (3.88.0.11 oz) | 160 g (5.64 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 LTE - CDMA version |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 800 / 900 /1800 / 2100 / 2600 | LTE | LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2600 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 |
| GPU | Adreno 330 | Adreno 306 | Adreno 306 |
| RAM | 2 GB | 1 GB | 1 GB |
| Internal Memory | 16 GB ROM | 16 GB | 8 GB |
| External Memory | microSD, up to 128 GB | No | microSD, up to 128 GB |
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| Type | True HD-IPS + LCD capacitive touchscreen | Super AMOLED capacitive touchscreen | Capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 4.5 inches | 5.0 inches |
| Resolution | 1440 x 2560 pixels (534 ppi) | 540 x 960 pixels (245 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 76.42% | 65.39% | 63.04% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Yes | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4160 x 3120 pixels | 8 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED Flash | LED flash | LED flash |
| Features | Auto focus, Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR, OIS | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama |
| Video | Yes, 2160p@30fps, 1080p@60fps, HDR, stereo sound rec., video stabilization | - | 1080p@30fps |
| Front Camera | Yes, 2.1 MP, 1080p@30fps [Similar] | 5 MP [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, 42 Mbps; HSUPA, 21 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL/ EV-DO Rev. A, up to 3.1 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE |
| Bluetooth | Yes, v4.0 with A2DP, LE | v4.0, A2DP, EDR, LE | v4.0, A2DP, apt-X |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | Yes, microUSB v3.0 (SlimPort), USB On-the-go, USB Host | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB ROM, 2 GB RAM | 16 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 128 GB | No | 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 | Li-Ion Battery | Non-removable Li-Ion Battery | Li-Po Battery |
| Capacity | 3000 mAh | 1900 mAh | 2100 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
