iphone 4 / 4s

Dimensions 115.2 mm (4.54 in) H 58.66 mm (2.309 in) W 9.3 mm (0.37 in) D
Weight 140 g (4.9 oz).
 Operating system Original OS: iOS 5.0 Current OS: iOS 6.0.1, released November 1, 2012; 2 months ago
 SoC Apple A5 .
CPU Approximately 800 MHz dual-core ARM Cortex-A9[3] .
GPU PowerVR SGX543MP2.
Memory 512 MB DDR2 RAM[4] .
Storage 16, 32, or 64 GB.
 Battery 3.7 V, 5.3 Wh (1,430 mAh).
 Data inputs 4 buttons switch microphones, touch-screen, acceleration, orientation.
 Display 3.5 inches (89 mm) diagonal 1.5:1 aspect ratio widescreen LED backlit IPS TFT LCD 640×960 resolution at 326 ppi (0.61 MP) 800:1 contrast ratio (typical) 500 cd/m2 max. brightness (typical) Fingerprint-resistant oleophobic coating on front and back glass .
Rear camera 8 MP back-side illuminated sensor HD video (1080p) at 24/30 frame/s IR filter Aperture f/2.4 5 element lens Image signal processor (built-in A5) Facial recognition (stills only) image stabilization.
 Front camera 0.3 MP VGA 30 FPS (480p)
Connectivity Wi-Fi (802.11 b/g/n) (2.4 GHz only) Bluetooth 4.0 Combined GSM/CDMA antenna: quad-band GSM/GPRS/EDGE (800 850 900 1,800 1,900 MHz) Quad-band UMTS/HSDPA/HSUPA (800 850 900 1,900 2,100 MHz) (800 MHz unannounced) Dual-band CDMA/EV-DO Rev. A (800 1,900 MHz) GLONASS, Global Positioning System (GPS)