Phone Comparison - Samsung I9100 Galaxy S II vs LG G2 vs Lenovo S939
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| Manufacturer | Samsung | LG | Lenovo |
| Announced | February 2011 | August 2013 | February 2014 |
| Status | Available - April 2011 | Available - September 2013 | Available - February 2014 |
| Colors | Black, White, Pink | Black, White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
125.3 x 66.1 x 8.5 mm (4.93 x 2.6 x 0.33 in) |
138.5 x 70.9 x 8.9 mm (5.45 x 2.79 x 0.35 in) |
170 x 86.5 x 8.65 mm (6.69 x 3.41 x 0.34 in) |
| Weight | 116 g (4.09 oz) | 143 g (5.04 oz) | 180 g (6.35 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 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA 2100 |
| 4G Network | - | LTE (Region Dependent) | - |
| Messaging | SMS, MMS, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread), planned upgrade to v4.0 | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1.2GHz ARM Cortex-A9 processor, Exynos chipset | Quad-core 2.26 GHz Krait 400, Qualcomm MSM8974 Snapdragon 800 | Octa-core 1.7 GHz, Mediatek MT6592 |
| GPU | Mali-400MP | Adreno 330 | Mali-450MP4 |
| RAM | 1 GB | 2 GB | 1 GB |
| Internal Memory | 16 GB/32 GB storage | 32 GB | 8 GB ROM |
| External Memory | microSD, up to 32GB, 8 GB included | No | microSD, up to 32 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | True HD-IPS + LCD capacitive touchscreen, Corning Gorilla Glass 3 | IPS LCD Capacitive Touchscreen, OGS |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 5.2 inches | 6.0 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 1080 x 1920 pixels (424 ppi) | 720 x 1280 pixels (245 ppi) |
| Screen-to-Body Ratio | 63.52% | 75.78% | 67.36% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | Stereo FM radio with RDS | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels | 8 MP, 3264x2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization | Auto-focus, Geo-tagging, Face Detection, Image Stabilization, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization |
| Video | Yes, 1080p@30fps | Yes, 1080p@60fps | Yes, 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, 2.1 MP, 1080p@30fps [Similar] | Yes, 1.6 MP [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Class 12 | Class 12 | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps |
| Bluetooth | Yes, v3.0+HS | Yes, v4.0 with A2DP | Yes, v4.0 |
| 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 Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, v2.0 microUSB (MHL), USB On-the-go | Yes, microUSB v2.0 (MHL), USB Host | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 16GB/32GB storage, 1 GB RAM | 32 GB, 2 GB RAM | 8 GB ROM, 1 GB RAM |
| Expandable Storage | microSD, up to 32GB, 8 GB included | No | 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 | Non-removable Li-Po Battery | Li-Ion Battery |
| Capacity | 1650 mAh | 3000 mAh | 3000 mAh |
| Stand by | Up to 710 h (2G) Up to 610 h (3G) |
- | - |
| Talk Time | Up to 18 h 20 min (2G) Up to 8 h 40 min (3G) |
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