Phone Comparison - Samsung I9100 Galaxy S II vs Lenovo K900 vs Lenovo P780
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| Manufacturer | Samsung | Lenovo | Lenovo |
| Announced | February 2011 | January 2013 | June 2013 |
| Status | Available - April 2011 | Available - April 2013 | Available - June 2013 |
| Colors | Black, White, Pink | Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
157 x 78 x 6.9 mm (6.18 x 3.07 x 0.27 in) |
143 x 73 x 10 mm (5.63 x 2.87 x 0.39 in) |
| Weight | 116 g (4.09 oz) | 162 g (5.71 oz) | 176 g (6.21 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.2 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Dual-core 2.0 GHz, Intel Atom Z2580 | Quad-core 1.2 GHz Cortex-A7, MTK 6589 |
| GPU | Mali-400MP | PowerVR SGX544 | PowerVR SGX544 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 16 GB/32 GB storage | 16 GB | 4 GB |
| External Memory | microSD, up to 32GB, 8 GB included | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 5.5 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 1080 x 1920 pixels (401 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 63.52% | 67.94% | 65.90% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, autofocus | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | dual-LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Geo-tagging, Touch Focus, Face Detection | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps | Yes |
| Front Camera | Yes, 2 MP [Similar] | Yes, 2 MP [Similar] | Yes, 1.2 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, 21 Mbps; HSUPA, 5.76 Mbps | HSPA+ | HSDPA, HSUPA |
| Bluetooth | Yes, v3.0+HS | Yes, with A2DP | Yes, v3.0 |
| Wi-Fi | 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 hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | 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 | HTML5 | HTML |
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| Internal | 16GB/32GB storage, 1 GB RAM | 16 GB, 2 GB RAM | 4 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | microSD, up to 32 GB | microSD, up to 32 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 | 1650 mAh | 2500 mAh | 4000 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
- | Up to 840 h |
| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
- | Up to 43 h (2G) Up to 25 h (3G) |
