| Hardware and OS | Samsung I9100G Galaxy S II | |
| Operating system | Android 2.3.4 (Gingerbread), upgradable to 4.1 (Jelly Bean); TouchWiz UI 4 | |
| Processor | Dual-core 1.2 GHz Cortex-A9 | |
| Chipset | Exynos 4210 Dual | |
| GPU | Mali-400MP4 | |
| Internal memory | 16/32 GB, 1 GB RAM | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Samsung I9100G Galaxy S II | other phones |
| Type | Super AMOLED Plus | |
| Size | 4.3" inc | |
| Resolution | 480 x 800 px | |
| Protection | Corning Gorilla Glass | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 63.5% | |
| Display area | 52.6 cm2 | |
| Display aspect ratio | 5:3 (height:width) | |
| Pixel Density | 217 PPI | |
| Colors | 16M | |
| Connectivity | Samsung I9100G Galaxy S II | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| Network | GSM / HSPA | |
| SIM card | Mini-SIM | |
| Bluetooth | 3.0, A2DP, aptX | |
| Edge | Class 12 | |
| GPRS | Class 12 | |
| GPS | Yes, with A-GPS | |
| NFC | Optional | |
| Speed | HSPA 21.1/5.76 Mbps | |
| USB | microUSB 2.0 (MHL TV-out), USB Host | |
| Camera | Samsung I9100G Galaxy S II | other phones |
| Main camera | 8 MP, Single | |
| Specs | 8 MP, f/2.6, 1/3.2', AF | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | 2 MP, Single | |
| Multimedia | Samsung I9100G Galaxy S II | other phones |
| 3.5 mm Jack | Yes | |
| Radio | Stereo FM radio, RDS | |
| Design | Samsung I9100G Galaxy S II | other phones |
| Colors | Black, White, Pink | |
| Body build | Plastic body | |
| Dimensions | 125.3 x 66.1 x 8.5 mm | |
| Weight | 116 g | |
| Battery | Samsung I9100G Galaxy S II | other phones |
| Battery capacity | 1650 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 710 h (2G) / Up to 610 h (3G) Talking time- Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G)
| |
| Other | Samsung I9100G Galaxy S II | other phones |
| SAR | SAR - 0.16 W/kg (head), 0.96 W/kg (body), SAR EU - 0.34 W/kg (head) | |
| Release date | 2011, February | |
| Sensors | Accelerometer, gyro, proximity, compass | |