Phone Comparison - Nokia Lumia 820 vs ZTE Grand X Pro vs LG G2
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| Manufacturer | Nokia | ZTE | LG |
| Announced | Expected September 2012 | May 2013 | August 2013 |
| Status | Available - November 2012 | Available - June 2013 | Available - September 2013 |
| Colors | Black, Gray, Red, Yellow, White, Blue, Violet | Black, Red, Blue, Yellow | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
123.8 x 68.5 x 9.9 mm (4.87 x 2.7 x 0.39 in) |
113 x 66.1 x 9.4 mm (4.45 x 2.6 x 0.37 in) |
138.5 x 70.9 x 8.9 mm (5.45 x 2.79 x 0.35 in) |
| Weight | 160 g (5.64 oz) | 146 g (5.15 oz) | 143 g (5.04 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 / 2100 HSDPA 900 / 1900 HSDPA 850 / 1900 HSDPA 850 / 2100 |
HSDPA 900 / 2100 |
| 4G Network | LTE 800 / 1800 / 2600 / 2100/ 900 | - | LTE (Region Dependent) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Microsoft Windows Phone 8 | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon | Dual-core 1.2 GHz, MTK 6577T | Quad-core 2.26 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 |
| GPU | Adreno 225 | - | Adreno 330 |
| RAM | 1 GB | 1 GB | 2 GB |
| Internal Memory | 8 GB storage | 4 GB storage | 32 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | No |
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| Type | AMOLED capacitive touchscreen | TFT capacitive touchscreen | True HD-IPS + LCD capacitive touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.5 inches | 5.2 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 720 x 1280 pixels (326 ppi) | 1080 x 1920 pixels (424 ppi) |
| Screen-to-Body Ratio | 62.04% | 74.90% | 75.78% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels, Carl Zeiss Tessa | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging | Auto-focus, Geo-tagging, Face Detection, Image Stabilization, HDR |
| Video | Yes | Yes, 720p@30fps | Yes, 1080p@60fps |
| Front Camera | Yes [Similar] | Yes, VGA [Similar] | Yes, 2.1 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Yes | Up to 236.8 kbps | Class 12 |
| 3G | HSDPA, 42 Mbps HSUPA, 5.76 Mbps LTE, Cat3, 50 Mbps UL, 100 Mbps DL |
HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL |
| Bluetooth | Yes, v3.1 with A2DP, EDR | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, 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 v2.0 | 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 | HTML5 | HTML | HTML5 |
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| Internal | 8 GB storage, 1 GB RAM | 4 GB storage, 1 GB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | No |
| 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 | Standard battery, Li-Ion | Li-Ion Battery | Non-removable Li-Po Battery |
| Capacity | 1650 mAh | 2000 mAh | 3000 mAh |
| Stand by | Up to 330 h (2G) Up to 330 h (3G) |
Up to 500 h | - |
| Talk Time | Up to 14 h (2G) Up to 8 h (3G) |
Up to 11 h 15 min | - |
