Phone Comparison - Apple iPhone 4 vs Sony Xperia J vs Lenovo S820
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| Manufacturer | Apple | Sony | Lenovo |
| Announced | June 2010 | August 2012 | May 2013 |
| Status | Available - June 2010 | Available - October 2012 | Available - May 2013 |
| Colors | Black, White | Black, White, Gold, Pink | Flamingo red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in) |
124.3 x 61.2 x 9.2 mm (4.89 x 2.41 x 0.36 in) |
139.5 x 69.7 x 9 mm (5.49 x 2.74 x 0.35 in) |
| Weight | 137 g (4.83 oz) | 124 g (4.37 oz) | 143 g (5.04 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 - ST26i HSDPA 850 / 1900 / 2100 - ST26a |
HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | iOS 4, upgradable to iOS 5 | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.2 (Jelly Bean) |
| Processor | 1 GHz Cortex-A8, Apple A4 | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Quad-core 1.2 GHz, MTK 6589W |
| GPU | PowerVR SGX535 | Adreno 200 | PowerVR SGX544 |
| RAM | 512 MB | 512 MB | 1 GB |
| Internal Memory | 8/16/32 GB storage | 4 GB | 4 GB |
| External Memory | No | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | LED-backlit IPS TFT, capacitive touchscreen | TFT capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 4.0 inches | 4.7 inches |
| Resolution | 640 x 960 pixels (330 ppi) | 480 x 854 pixels (245 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 53.92% | 57.92% | 62.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Stereo FM radio with RDS | FM radio; built-in antenna |
| Games | Yes + downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 x 1944 pixels | 5 MP, 2592х1944 pixels | 12 MP, 4000 x 3000 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Touch Focus, Geo-tagging, HDR | Auto focus, Geo-tagging, Touch Focus, Image Stabilization | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 720p@30fps, LED video light, geo-tagging | Yes, VGA | Yes |
| Front Camera | Yes, videocalling over Wi-Fi only [Similar] | Yes, VGA [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Class 10 (4+1/3+2 slots), 32 - 48 kbps | Up to 86 kbps | Yes |
| Edge | Class 10, 236.8 kbps | Up to 237 kbps | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA |
| Bluetooth | Yes, v2.1 with A2DP | Yes, v2.1 with A2DP, EDR | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual band |
| USB | Yes, v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML (Safari) | HTML5, Adobe Flash | HTML |
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| Internal | 8/16/32 GB storage, 512 MB RAM | 4 GB, 512 MB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | No | microSD, up to 32 GB | microSD, up to 32 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-Po | Standard battery, Li-Ion | Li-Po Battery |
| Capacity | 1420 mAh | 1750 mAh | 2000 mAh |
| Stand by | Up to 300 h (2G) Up to 300 h (3G) |
Up to 607 h (2G) Up to 618 h (3G) |
Up to 140 h (2G) Up to 140 h (3G) |
| Talk Time | Up to 14 h (2G) Up to 7 h (3G) |
Up to 5 h 36 min (2G) Up to 7 h 18 min (3G) |
Up to 22 h (2G) Up to 10 h (3G) |
