Apple iPhone 4

iPhone 4 is released in 2010, June. First thought about the iPhone 4 is improvement on internet connectivity, 4G technology. But it seems that "4" here is not showing that it has 4G connectivity, but shows that it is the 4th iPhone's generations.



Compared with the iPhone 3GS, there are several differences :

1. Dimensions
      iPhone 4      : 115.2 x 58.6 x 9.3 mm
      iPhone 3GS : 115.5 x 62.1 x 12.3 mm
2. Weight
      iPhone 4      : 137 gram
      iPhone 3GS : 135 gram
3. Internal Memory RAM
      iPhone 4      : 512 MB RAM
      iPhone 3GS : 256 MB RAM
4. Camera
     iPhone 4      : 5 MP, 2592 x 1944 pixels, autofocus, LED flash
     iPhone 3GS : 3.15 MP, 2048x1536 pixels, autofocus
5. Secondary Camera
     iPhone 4      : yes
     iPhone 3GS : no
6. CPU
     iPhone 4      : 1 GHz
     iPhone 3GS : 600 MHz

Here is the iPhone 4's full specification :

General	2G Network	GSM 850 / 900 / 1800 / 1900
	3G Network	HSDPA 850 / 900 / 1900 / 2100
	Announced	2010, June
	Status	Available. Released 2010, June
Size	Dimensions	115.2 x 58.6 x 9.3 mm
	Weight	137 g
Display	Type	LED-backlit IPS TFT, capacitive touchscreen, 16M colors
	Size	640 x 960 pixels, 3.5 inches
		- Scratch-resistant oleophobic surface
		- Multi-touch input method
		- Accelerometer sensor for auto-rotate
		- Three-axis gyro sensor
		- Proximity sensor for auto turn-off
Sound	Alert types	Vibration, MP3 ringtones
	Speakerphone	Yes
		- 3.5 mm headset jack
Memory	Phonebook	Practically unlimited entries and fields, Photocall
	Call records	100 received, dialed and missed calls
	Internal	16/32 GB storage, 512 MB RAM
	Card slot	No
Data	GPRS	Class 10 (4+1/3+2 slots), 32 - 48 kbps
	EDGE	Class 10, 236.8 kbps
	3G	HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps
	WLAN	Wi-Fi 802.11 b/g/n
	Bluetooth	Yes, v2.1 with A2DP
	Infrared port	No
	USB	Yes, v2.0
Camera	Primary	5 MP, 2592 x 1944 pixels, autofocus, LED flash
	Features	Touch focus, geo-tagging
	Video	Yes, 720p@30fps, LED video light, geo-tagging
	Secondary	Yes, videocalling over Wi-Fi only
Features	OS	iOS 4
	CPU	1 GHz Apple A4 processor
	Messaging	SMS (threaded view), MMS, Email, Push Email
	Browser	HTML (Safari)
	Radio	No
	Games	Downloadable, incl. motion-based
	Colors	Black, White
	GPS	Yes, with A-GPS support
	Java	No
		- MicroSIM card support only
		- Scratch-resistant glass back panel
		- Active noise cancellation with dedicated mic
		- Digital compass
		- Google Maps
		- Audio/video player and editor
		- Voice command/dial
		- TV-out
Battery		Standard battery, Li-Po 1420mAh
	Stand-by	Up to 300 h (2G) / Up to 300 h (3G)
	Talk time	Up to 14 h (2G) / Up to 7 h (3G)
	Music play	Up to 40 h