| Hardware and OS | Samsung I9100 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 | |
| Internal memory | 16GB 1GB RAM, 32GB 1GB RAM | |
| External memory | microSDHC (dedicated slot) | |
| GPU | Mali-400MP4 | |
| Display | Samsung I9100 Galaxy S II | other phones |
| Size | 4.3 inches, 52.6 cm2 | |
| Resolution | 480 x 800 pixels, 5:3 ratio | |
| Type | Super AMOLED Plus | |
| Protection | Corning Gorilla Glass | |
| Main Camera | Samsung I9100 Galaxy S II | other phones |
| Camera | 8 MP, f/2.6, 1/3.2", AF | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | Samsung I9100 Galaxy S II | other phones |
| Camera | 2 MP | |
| Connectivity | Samsung I9100 Galaxy S II | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
| Bluetooth | 3.0, A2DP, aptX | |
| GPS | Yes, with A-GPS | |
| NFC | Optional | |
| Speed | HSPA 21.1/5.76 Mbps | |
| Technology | GSM / HSPA | |
| USB | microUSB 2.0 (MHL TV-out), USB On-The-Go | |
| WLAN | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| Multimedia | Samsung I9100 Galaxy S II | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Radio | Stereo FM radio, RDS | |
| Battery | Samsung I9100 Galaxy S II | other phones |
| Type | Removable Li-Ion 1650 mAh battery | |
| 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) | |
| Design | Samsung I9100 Galaxy S II | other phones |
| Body build | Glass front (Gorilla Glass), plastic back, plastic frame | |
| Colors | Black, White, Pink | |
| Dimensions | 125.3 x 66.1 x 8.5 mm (4.93 x 2.60 x 0.33 in) | |
| Weight | 116 g (4.09 oz) | |
| SIM | Mini-SIM | |
| Features | Samsung I9100 Galaxy S II | other phones |
| Sensors | Accelerometer, gyro, proximity, compass | |
