| Samsung Galaxy S II I777 |
vivo Y11 |
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| Hardware and OS | Samsung Galaxy S II I777 | vivo Y11 |
| Operating system | Android 2.3.4 (Gingerbread) | Android 4.4.4 (KitKat) |
| Processor | Dual-core 1.2 GHz Cortex-A9 | Quad-core 1.3 GHz Cortex-A7 |
| Chipset | Exynos 4210 Dual | Mediatek MT6582М |
| GPU | Mali-400MP4 | Mali-400MP2 |
| Internal memory | 16/32 GB, 1 GB RAM | 4 GB, 512 MB RAM |
| External memory | microSD, up to 32 GB (dedicated slot), 8 GB included | microSD, up to 256 GB (dedicated slot) |
| Display | Samsung Galaxy S II I777 | vivo Y11 |
| Type | Super AMOLED Plus | IPS LCD |
| Size | 4.3" inc | 4" inc |
| Resolution | 480 x 800 px | 480 x 800 px |
| Protection | Corning Gorilla Glass | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 63.3% | 59.2% |
| Display area | 52.6 cm2 | 45.5 cm2 |
| Display aspect ratio | 5:3 (height:width) | 5:3 (height:width) |
| Pixel Density | 217 PPI | 233 PPI |
| Colors | 16M | 16M |
| Connectivity | Samsung Galaxy S II I777 | vivo Y11 |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Network | GSM / HSPA | GSM / HSPA |
| SIM card | Mini-SIM | Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth | 3.0, A2DP, aptX | 4.0, A2DP, EDR |
| Edge | Class 12 | Yes |
| GPRS | Class 12 | Yes |
| GPS | Yes, with A-GPS | Yes, with A-GPS |
| NFC | Optional | |
| Speed | HSPA 21.1/5.76 Mbps | HSPA 21.1/7.2 Mbps |
| USB | microUSB 2.0 (MHL TV-out), USB Host | microUSB 2.0, USB Host |
| Camera | Samsung Galaxy S II I777 | vivo Y11 |
| Main camera | 8 MP, Single | 5 MP, Single |
| Specs | 8 MP, AF | 5 MP, AF |
| Features | LED flash | LED flash |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | 2 MP, Single | 2 MP, Single |
| Multimedia | Samsung Galaxy S II I777 | vivo Y11 |
| 3.5 mm Jack | Yes | Yes |
| Radio | No | FM radio |
| Design | Samsung Galaxy S II I777 | vivo Y11 |
| Colors | Black | White, Black |
| Dimensions | 126 x 66 x 8.9 mm | 123 x 62.5 x 8.8 mm |
| Weight | 121.9 g | 124 g |
| Battery | Samsung Galaxy S II I777 | vivo Y11 |
| Battery capacity | 1650 mAh, Removable Li-Ion | 1700 mAh, Removable Li-Po |
| Battery life | Stand by time- Up to 400 h Talking time- Up to 8 h | Talking time- Up to 11 h (2G) / Up to 8 h (3G) Music play - Up to 34 h |
| Other | Samsung Galaxy S II I777 | vivo Y11 |
| SAR | SAR - 0.36 W/kg (head), 0.90 W/kg (body), SAR EU - 0.25 W/kg (head) | |
| Release date | 2011, August | 2014, Q4 |
| Sensors | Accelerometer, gyro, proximity, compass | Accelerometer, proximity , Infrared port |
