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Samsung Galaxy S II (GT-I9100)
Samsung2011
Samsung FlagshipLegacy CellularReleased 2011

Samsung Galaxy S II (GT-I9100)

Full factory technical datasheet and laboratory hardware reference for the Samsung Galaxy S II (GT-I9100), featuring the Samsung Exynos 4210 Dual (45nm), a 4.3" Super AMOLED Plus (Real RGB Stripe matrix) panel, and a 8MP optical camera system.

Platform / SoC
Samsung Exynos 4210 Dual
Display
4.3" • 60Hz
Main Camera
8 MP
Battery & Charging
1650 mAh • 5W
Weight & IP Rating
116g • None
Launch OS
Android 2.3.4 Gingerbread
Quick Technical Verdict & Summary

Hardware Engineering Overview: Samsung Galaxy S II (GT-I9100)

The Samsung Galaxy S II (GT-I9100) is a high-performance mobile computing device engineered around the Samsung Exynos 4210 Dual (45nm) (2-core 1.2 GHz Cortex-A9, Mali-400MP4). It features a 4.3" Super AMOLED Plus (Real RGB Stripe matrix) at 480 × 800 px (217 ppi) with 60Hz refresh rate and up to 320 nits peak brightness. Optics include a 8 MP 1/3.2" primary sensor with electronic stabilization paired with 1x (Autofocus, LED flash) zoom, powered by a 1650 mAh battery with 5W wired fast charging.

Compute & Processing Architecture
Samsung Exynos 4210 Dual (45nm) equipped with 2-core 1.2 GHz Cortex-A9 and Mali-400MP4. Runs Android 2.3.4 Gingerbread (TouchWiz 4.0) with Face Unlock (Android software).
Display & Luminescence Benchmarks
4.3" Super AMOLED Plus (Real RGB Stripe matrix) panel delivering 480 × 800 px (217 ppi) (5:3) at 60Hz and 320 nits peak luminance.
Optics & Cinema Video Recording
8 MP 1/3.2" sensor (f/2.65) with 1x (Autofocus, LED flash). Video capture: 1080p Full HD at 30 fps.
Battery, Power & Build Metallurgy
1650 mAh battery with 5W wired fast charging. Chassis: Textured "HyperSkin" removable polycarbonate back, Corning Gorilla Glass with None.

Complete Factory Specification Matrix

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6 CORE MODULES
01

Platform & Compute Architecture

System-on-Chip node fabrication, CPU core topology, and neural compute acceleration

System on Chip (SoC)Samsung Exynos 4210 Dual (45nm)
CPU Microarchitecture & Cores2-core 1.2 GHz Cortex-A9
Graphics Processing Unit (GPU)Mali-400MP4
Memory / RAM Configurations1 GB
Internal Storage & Expansion16 GB / 32 GB (microSD up to 32GB)
02

Display & Visual Engineering

Panel luminescence, adaptive refresh dynamics, color bit depth, and glass protection

Display Panel TechnologySuper AMOLED Plus (Real RGB Stripe matrix)
Screen Diagonal Size4.3 inches
Native Resolution & Pixel Density480 × 800 px (217 ppi)
Aspect Ratio5:3
Refresh Rate Range60 Hz
Peak Brightness Luminescence320 nits (Peak)
03

Camera Array & Computational Optics

Sensor format, physical aperture, optical stabilization, and cinema video pipeline

Primary Sensor Resolution8 Megapixels (MP)
Primary Sensor Format1/3.2"
Primary Lens Aperturef/2.65
Optical Image Stabilization (OIS)No Hardware OIS (Electronic EIS Only)
Ultra-Wide SensorNo Dedicated Ultra-Wide Sensor
Telephoto & Periscope System1x (Autofocus, LED flash)
Master Video Recording Matrix1080p Full HD at 30 fps
Front Selfie Camera2 MP (f/2.8) — Video: 480p VGA
04

Battery & Power Dynamics

Cell chemical capacity, wired power delivery protocol, and wireless charging

Nominal Battery Capacity1650 mAh
Wired Fast Charging Peak Wattage5W Power Delivery
Wireless Inductive ChargingNot Supported
05

Chassis, Structural Build & Durability

Frame metallurgy, structural ingress protection, and physical dimensions

Structural Build & MetallurgyTextured "HyperSkin" removable polycarbonate back, Corning Gorilla Glass
Ingress Protection (IP Rating)None
Physical Dimensions (H × W × D)125.3 × 66.1 × 8.49 mm
Total Weight116 g (4.09 oz)
06

Connectivity, Ports & Operating System

Launch firmware version, physical I/O connectors, cellular generations, and biometrics

Operating System at LaunchAndroid 2.3.4 Gingerbread (TouchWiz 4.0)
Physical Interface PortMicro-USB 2.0 (MHL TV-Out)
Cellular & 5G Generation3G HSPA+ 21 Mbps / HSUPA 5.76 Mbps
Biometric Authentication HardwareFace Unlock (Android software)
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