Phone Comparison - LG Optimus 2X vs LG Nitro HD vs LG Optimus L3 E400
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| Manufacturer | LG | LG | LG |
| Announced | December 2010 | November 2011 | January 2012 |
| Status | Available - February 2011 | Available - December 2011 | Available - February 2012 |
| Colors | Black | Black | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
123.9 x 63.2 x 10.9 mm
(4.88 x 2.49 x 0.43 in ) |
133.9 x 67.8 x 10.4 mm
(5.27 x 2.67 x 0.41 in ) |
102.6 x 61.6 x 11.85 mm (4.04 x 2.43 x 0.47 in) |
| Weight | 139 g (4.9 oz) | 127 g (4.48 oz) | 109 g (3.84 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 1900 / 2100 HSDPA 900 / 1700 / 2100 |
HSDPA 850 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | - | LTE 700 | - |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.2 (Froyo), upgradable to v2.3 | Android OS, v2.3.5 (Gingerbread), planned upgrade to v4.0 | Android OS, v2.3 (Gingerbread) |
| Processor | Dual-core 1 GHz Cortex-A9, Nvidia Tegra 2 AP20H | Dual-core 1.5 GHz Scorpion | 800 MHz |
| GPU | ULP GeForce | Adreno 220 | Adreno 200 |
| RAM | 512 MB | 1 GB | 384 MB |
| Internal Memory | 8 GB storage | 4 GB storage | 1 GB storage |
| External Memory | microSD, up to 32GB | microSD, up to 32GB, 16GB included | microSD, up to 32GB |
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| Type | IPS LCD capacitive touchscreen | AH-IPS LCD capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 262K colors |
| Size | 4.0 inches | 4.5 inches | 3.2 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (326 ppi) | 240 x 320 pixels (125 ppi) |
| Screen-to-Body Ratio | 58.28% | 61.63% | 50.17% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | Stereo FM radio |
| Games | Yes + downloadable | Yes + downloadable | Yes |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264x2448 pixels | 3.15 MP, 2048x1536 pixels |
| Flash | LED flash | LED flash | No |
| Features | Auto focus, Geo-tagging, Face And Smile Detection, Touch Focus, Image Stabilization | Auto focus, Geo-tagging, Face And Smile Detection | Auto focus, Geo-tagging |
| Video | Yes, 1080p@24fps, 720p@30fps | Yes, 1080p | Yes |
| Front Camera | Yes, 1.3 MP [Similar] | Yes [Similar] | No [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, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE | HSDPA, 3.6 Mbps |
| Bluetooth | Yes, v2.1 with A2DP | Yes, v3.0 with A2DP, HS | Yes, v2.1 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML, Adobe flash | WAP 2.0/xHTML, HTML, Adobe Flash | HTML |
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| Internal | 8 GB storage, 512 MB RAM | 4 GB storage, 1 GB RAM | 1 GB storage, 384 MB RAM |
| Expandable Storage | microSD, up to 32GB | microSD, up to 32GB, 16GB included | microSD, up to 32GB |
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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 | Standard battery, Li-Ion |
| Capacity | 1500 mAh | 1830 mAh | 1500 mAh |
| Stand by | Up to 400 h | (2G) Up to 252 h (3G) |
Up to 673 h (2G) Up to 640 h (3G) |
| Talk Time | Up to 7 h 50 min | (2G) Up to 3 h (3G) |
Up to 15 h (2G) Up to 8 h (3G) |
