Phone Comparison - LG Optimus 3D Max vs ZTE Zmax vs Microsoft Lumia 640 LTE
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| Manufacturer | LG | ZTE | Microsoft |
| Announced | February 2012 | September 2014 | March 2015 |
| Status | Available - May 2012 | Available - September 2014 | Available - April 2015 |
| Price | - | Rs. 11,920 ($175.00) [Similarly Priced] | Rs. 7,999 ($117.63) [Similarly Priced] |
| Colors | Black | Black | Yes |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
126.8 x 67.4 x 9.6 mm (4.99 x 2.65 x 0.38 in) |
162.6 x 83.8 x 8.9 mm (6.4 x 3.3 x 0.35 in) |
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
| Weight | 148 g (5.22 oz) | 189.9 g (6.67.0.32 oz) | 145 g (5.11 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 850 / 1700 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | - | LTE 700 / 1700 / 1900 / 2100 / 2600 (Bands 2, 4, 7, 12) |
LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.4.2 (KitKat) | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | Dual-core 1.2 GHz Cortex-A9, TI OMAP 4430 | Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8926 Snapdragon 400 | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 |
| GPU | PowerVR SGX540 | Adreno 305 | Adreno 305 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 8 GB storage | 16 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 GB |
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| Type | 3D LCD capacitive touchscreen | TFT Capacitive Touchscreen, Corning Gorilla Glass 3 | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 5.7 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 720 x 1280 pixels (258 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 61.56% | 65.56% | 67.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | FM radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | Dual 5 MP, 2592х1944 pixels | 8 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Stereoscopic Photos & Videos, Geo-tagging, Out-focusing Shot | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, 1/4'' Sensor Size |
| Video | Yes, 1080p@30fps (2D), 720p@30fps (3D), video stabilization | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | 1.6 MP, 720p [Similar] | 1 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA; LTE, Cat 3/4 (market dependant), 150 Mbps DL, 50 Mbps UL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, with A2DP, EDR | v4.0, A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | Yes, microUSB (MHL) v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5, Adobe Flash | HTML5 | HTML5 |
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| Internal | 8 GB storage, 1 GB RAM | 16 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 128 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 | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1520 mAh | 3400 mAh | 2500 mAh |
| Stand by | Up to 450 h | Up to 360 h | Up to 864 h (2G) Up to 864 h (3G) |
| Talk Time | Up to 8 h | Up to 14 h | Up to 26 h 30 min (2G) Up to 17 h 30 min (3G) |
