Phone Comparison - LG Optimus G E970 vs LG G3 vs HTC Desire 820
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| Manufacturer | LG | LG | HTC |
| Announced | September 2012 | May 2014 | September 2014 |
| Status | Available - November 2012 | Available - June 2014 | Coming Soon - September 2014 |
| Colors | Black | Black, White, Gold | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
130.8 x 71.6 x 8.4 mm (5.15 x 2.82 x 0.33 in) |
146.3 x 74.6 x 8.9 mm (5.76 x 2.94 x 0.35 in) |
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in) |
| Weight | 147.1 g (5.19.0.04 oz) | 149 g (5.26 oz) | 155 g (5.47 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 LTE - CDMA version |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version |
| 4G Network | LTE 700 MHz Class 17 / 1700 / 2100 | LTE 800 / 900 /1800 / 2100 / 2600 | LTE 900 / 1800 / 2100 / 2600 - EMEA version |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
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| OS | Android OS, v4.0.x (Ice Cream Sandwich), planned upgrade to v4.1.1 | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 1.5 GHz Krait, Qualcomm MDM9615/APQ8064 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | Adreno 320 | Adreno 330 | Adreno 405 |
| RAM | 2 GB | 2 GB | 2 GB |
| Internal Memory | 16 GB | 16 GB ROM | 16 GB |
| External Memory | microSD, up to 64 GB, 16 GB included | microSD, up to 128 GB | microSD, up to 128 GB |
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| Type | True HD-IPS + LCD capacitive touchscreen | True HD-IPS + LCD capacitive touchscreen | LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.5 inches | 5.5 inches |
| Resolution | 768 x 1280 pixels (318 ppi) | 1440 x 2560 pixels (534 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 66.97% | 76.42% | 67.20% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | Yes | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 13 MP, 4160 x 3120 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED Flash | LED flash |
| Features | Auto focus, Geo-tagging, Face Detection, Image Stabilization | Auto focus, Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR, OIS | Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR |
| Video | Yes, 1080p@30fps, LED video light | Yes, 2160p@30fps, 1080p@60fps, HDR, stereo sound rec., video stabilization | 1080p@30fps, 720p@60fps |
| Front Camera | Yes, 1.3 MP [Similar] | Yes, 2.1 MP, 1080p@30fps [Similar] | 8 MP, 1080p [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, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSDPA, 42 Mbps; HSUPA, 21 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL/ EV-DO Rev. A, up to 3.1 Mbps | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v4.0 with A2DP, LE | Yes, v4.0 with A2DP, LE | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB (MHL) v2.0, USB Host support | Yes, microUSB v3.0 (SlimPort), USB On-the-go, USB Host | microUSB v2.0 |
| GPS | Yes, with A-GPS, S-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5, Adobe Flash | HTML5 | HTML5 |
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| Internal | 16 GB, 2 GB RAM | 16 GB ROM, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB, 16 GB included | microSD, up to 128 GB | microSD, up to 128 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-Po | Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 2100 mAh | 3000 mAh | 2600 mAh |
| Stand by | Up to 324 h | - | Up to 424 h (3G) |
| Talk Time | Up to 10 h | - | Up to 22 h 24 min (3G) |
