iPhone 4 G (APPLE) specifications

Developer	Apple Inc.
Manufacturer	Foxconn (UMTS/GSM model) Pegatron (CDMA model)[1]
Slogan	This changes everything. Again.[2]
Form factor	Slate bar
Generation	4
Release date	GSM model (black): 24 June 2010[a] CDMA model (black): 10 February 2011[a] GSM and CDMA models (white): 28 April 2011
Operating system	iOS 4.3.3 (build 8J2) (GSM)Released May 4, 2011; 14 days ago (2011-05-04) iOS 4.2.8 (build 8E401) (CDMA)Released May 4, 2011; 14 days ago (2011-05-04)
Power	Built-in rechargeable Li-ion battery 3.7 V at 1420 mAh[3]
CPU	Apple A4 (ARM Cortex-A8)[4]
GPU	Apple A4 (PowerVR SGX 535)[4]
Storage capacity	16 GB or 32 GB flash memory
Memory	512 MB eDRAM[5]
Display	3.5-inch (89 mm) diagonal 1.5:1 aspect ratio widescreen LED backlit IPS TFT LCD Retina display 640×960 resolution at 326 ppi (0.61 Megapixels) 800:1 contrast ratio (typical) 500 cd/m2 max brightness (typical) Fingerprint-resistant oleophobic coating on front and back glass
Audio	Single loudspeaker 3.5 mm TRRS Frequency response: 20 Hz to 20 kHz
Input	Multi-touch touchscreen display Push-buttons Dual microphone 3-axis gyroscope 3-axis accelerometer Digital compass Proximity sensor Ambient light sensor
Rear camera	5 MP back-side illuminated sensor HD video (720p) at 30 fps 1.75 μm size pixels 5× digital zoom Tap to focus video or still images LED flash Photo and video geotagging
Front camera	0.3 MP (VGA) SD video (480p) at 30 fps 25.17 μm size pixels Tap to focus video or still images Photo and video geotagging
Connectivity	Wi-Fi (802.11 b/g/n) (2.4 GHz only) Bluetooth 2.1 + EDR GSM model: Quad-band GSM/GPRS/EDGE (800 850 900 1800 1900 MHz) Quad-band UMTS/HSDPA/HSUPA (800 850 900 1900 2100 MHz) (800 MHz not yet announced as supported by Apple) CDMA model: Dual-band CDMA/EV-DO Rev. A (800 1900 MHz)
Hearing aid compatibility	GSM 3G 850/1900 MHz M4, T4 2G 850 MHz M3, T3 2G 1900 MHz M2, T3 CDMA M4, T4
Online services	App Store, iTunes Store, iBookstore, MobileMe
Dimensions	115.2 mm (4.54 in) (h) 58.66 mm (2.309 in) (w) 9.3 mm (0.37 in) (d)
Weight	137 g (4.8 oz)
Predecessor	iPhone 3GS
Related articles	iPad, iPod Touch (comparison)
Website	Apple – iPhone

iPhone(APPLE) 3GS vs Nokia N97

Thanks to the iPhone that was unleashed by Apple Inc in October last year it's raining touch phones this season.

While Nokia came out with its flagship N97 device this June at a price of around Rs 35,000, the new iPhone 3GS (where S stands for speed) was released in the US on June 19 and will soon makes its touch felt later this year in India.

Its Indian price hasn't been announced yet but is likely to be close to the N97.

So how do these phones compare, touchscreen-by-touchscreen? More importantly, should you go for the N97 or wait for the new iPhone?

Here is a checklist that might just make your task easier if you were to choose one of the two.

Touchscreen interface

The smooth touchscreen interface has been the single biggest selling point of the iPhone since its debut. The capacitive screen is highly responsive and the interface features multi-touch gestures for things like zooming in and out of maps. The 3GS has a more powerful processor, which makes the interface even quicker than before.

The N97 has a resistive touchscreen that is much less responsive especially for scrolling. As of now its touch interface doesn't work as well as that of the iPhone either. On the plus side it does allow for stylus use, which enables features like handwriting and drawing. Overall the iPhone is clearly superior in this category

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