Phone Comparison - Lenovo S920 vs Samsung I9506 Galaxy S4 vs Xiaomi Redmi Note 4G
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| Manufacturer | Lenovo | Samsung | Xiaomi |
| Announced | March 2013 | Q3 2013 | August 2014 |
| Status | Available - May 2013 | Available - Q3 2013 | Available - November 2014 |
| Colors | White, Blue | White Frost, Black Mist / Arctic Blue, Red Aurora | Black/White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
154 x 77.7 x 7.9 mm (6.06 x 3.06 x 0.31 in) |
136.6 x 69.8 x 7.9 mm (5.38 x 2.75 x 0.31 in) |
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in) |
| Weight | 159 g (5.61 oz) | 130 g (4.59 oz) | 199 g (7.02 oz) |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA | TD-SCDMA 1900 / 2000 |
| 4G Network | - | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 | TD-LTE 1900 / 2300 / 2600 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Quad-core 1.2 GHz Cortex-A7, MTK 6589 | Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 |
| GPU | PowerVR SGX544 | Adreno 330 | Adreno 305 |
| RAM | 1 GB | 2 GB | 2 GB |
| Internal Memory | 4 GB | 16/32 GB | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 64 GB |
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| Type | IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.3 inches | 5.0 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (277 ppi) | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 64.76% | 72.15% | 68.82% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection | Auto focus, Dual 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, HDR |
| Video | Yes | Yes, 1080p@30fps, dual-video rec. | 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, 2 MP,1080p@30fps, dual video call [Similar] | 5 MP [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, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | TD-SCDMA; LTE |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP, EDR, LE | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual band | Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL 2), USB On-the-go, USB Host | microUSB v2.0, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 1 GB RAM | 16/32 GB, 2 GB RAM | 8 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 32 GB | 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 | Li-Po Battery | Li-Ion Battery | Li-Po Battery |
| Capacity | 2250 mAh | 2600 mAh | 3200 mAh |
| Stand by | Up to 480 h (2G) Up to 480 h (3G) |
Up to 370 h (3G) | Up to 775 h (3G) |
| Talk Time | Up to 25 h (2G) Up to 12 h (3G) |
Up to 17 h (3G) | Up to 38 h (2G) Up to 14 h (3G) |
