Phone Comparison - Apple iPhone 3G vs Asus Zenfone 4 vs Lenovo A526
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| Manufacturer | Apple | Asus | Lenovo |
| Announced | June 2008 | January 2014 | April 2014 |
| Status | Discontinued | Available - June 2014 | Available |
| Colors | Black(8/16 GB), White (16 GB) | Black, White, Red, Blue, Yellow | Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
115.5 x 62.1 x 12.3 mm (4.55 x 2.44 x 0.48 in) |
124.4 x 61.4 x 6.3-11.2 (4.9 x 2.42 x 0.25-0.44) |
132 x 67.6 x 11.1 mm (5.2 x 2.66 x 0.44 in) |
| Weight | 133 g (4.69 oz) | 115 g (4.06 oz) | 145 g (5.11 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 |
| Messaging | SMS, MMS | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | iPhone OS, upgradable to iOS 4 | Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | 412 MHz ARM 11 | Dual-core 1.2 GHz, Intel Atom Z2520 | Quad-core 1.3 GHz, Mediatek MT6582M |
| GPU | PowerVR MBX | PowerVR SGX544MP2 | Mali-400MP2 |
| RAM | 128 MB | 1 GB | 1 GB |
| Internal Memory | 8 GB/ 16 GB storage | 8 GB | 4 GB |
| External Memory | No | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | IPS LCD Capacitive Touchscreen, OnCell technology |
| Colors | 16M colors | 16M colors | 16.7M colors |
| Size | 3.5 inches | 4.0 inches | 4.5 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (233 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 50.75% | 59.74% | 62.36% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM Radio | FM Radio with Recording |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 5 MP, 2592 x 1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | No | No | LED flash |
| Features | Auto focus, Geo-tagging, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR | |
| Video | No | Yes, 1080p@30fps | Yes, 720p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v2.0 with A2DP, headset support only | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11b/g | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML (Safari) | HTML | HTML5 |
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| Internal | 8 GB/ 16 GB storage, 128 MB RAM | 8 GB, 1 GB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | No | microSD, up to 64 GB | microSD, up to 32 GB |
| 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-Po Battery | Li-Ion Battery |
| Capacity | 1200/1600 mAh | 2000 mAh | |
| Stand by | Up to 300 h | Up to 192 h | - |
| Talk Time | Up to 10 h | Up to 10 h | - |
