The iPhone 3G was released in July of 2008, succeeding the original iPhone in Apple's smartphone lineup. Nearly a year later, Apple released an updated version of the device, dubbed the iPhone 3GS, with minor hardware updates to the previous version. In terms of display and resolution, however, the iPhone 3G and the iPhone 3GS are virtually identical.
iPhone 3G Display
The iPhone 3G features a 3.5-inch diagonal widescreen display, optimized for multi-touch functionality.
iPhone 3G Resolution
The iPhone 3G offers a resolution of 480 by 320 pixels at 163 pixels per inch.
iPhone 3GS Display
Like the iPhone 3G, the iPhone 3GS features a 3.5" diagonal widescreen display optimized for multi-touch functionality. In addition, the 3GS display is coated with an oleophobic (oil-repelling) material designed for fingerprint resistance.
iPhone 3GS Resolution
The iPhone 3G also offers a resolution of 480x320 pixels at 163 pixels per inch, which is exactly the same as the iPhone 3G.
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