Phone Comparison - LG Optimus 4X HD vs Samsung I9505 Galaxy S4 vs Huawei Ascend P7
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| Manufacturer | LG | Samsung | Huawei |
| Announced | February 2012 | March 2013 | May 2014 |
| Status | Available - June 2012 | Available - April 2013 | Coming Soon - July 2014 |
| Colors | Black | White Frost, Black Mist | Black, white, pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
132.4 x 68.1 x 8.9mm (5.21 x 2.68 x 0.35in) |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
139.8 x 68.8 x 6.5 mm (5.5 x 2.71 x 0.26 in) |
| Weight | 133 g (4.69 oz) | 130 g (4.59 oz) | 124 g (4.37 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 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700 / 1900 / 2100 |
| 4G Network | - | LTE | LTE 800 / 900 / 1800 / 2100 / 2600 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 1.5 GHz Cortex-A9, Nvidia Tegra 3 | Quad-core 1.9 GHz Krait 300, Qualcomm APQ8064T Snapdragon 600 | Quad-core 1.8 GHz Cotex-A9, HiSilicon Kirin 910T |
| GPU | ULP GeForce | Adreno 320 | Mali-450MP4 |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 16 GB storage | 16/32/64 GB storage | 16 GB |
| External Memory | Upto 16 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | HD-IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.99 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 67.74% | 72.15% | 71.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Yes | No | FM radio |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels, Autofocus | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Face And Smile Detection, Touch Focus, Image Stabilization | Drama Shot, Eraser, Sound and Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | Yes, 1080p@30fps |
| Front Camera | Yes, 1.3 MP [Similar] | Yes, 2 MP, Full HD 1080p@30fps [Similar] | Yes, 8 MP [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Up to 60 kbps |
| Edge | Class 12 | Yes | Up to 236.8 kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, with A2DP | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, 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 | Yes, microUSB v2.0 (MHL), USB On-the-go | Yes, microUSB v2.0, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS |
| Browser | HTML5, Adobe Flash | HTML5, Adobe Flash | HTML5 |
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| Internal | 16 GB storage, 1 GB RAM | 16/32/64 GB storage, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | Yes | microSD, up to 64 GB | microSD, up to 64 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-Ion | Li-Ion Battery | Li-Po Battery |
| Capacity | 2150 mAh | 2600 mAh | 2500 mAh |
| Stand by | Up to 730 h (2G) Up to 686 h (3G) |
Up to 350 h | Up to 422 h (3G) |
| Talk Time | Up to 9 h 20 min (2G) Up to 10 h 50 min (3G) |
Up to 17 h | Up to 22 h (2G) Up to 14 h (3G) |
