The Samsung Epic 4G, released in August 2010, is part of the company's mobile phone line. It is compact and lightweight in its design, measuring 4.9 inches long, 2.5 inches wide and 0.6 inches deep and weighing 5.5 oz. The phone also comes with a 4-inch thin-film transistor touch screen that displays more than 16 million colors at 480 by 800 pixels of resolution. The Epic's memory dimensions include 512MB of internal memory and a built-in microSD card slot for up to 32GB of expanded memory. Dimensional comparisons to smartphone offerings by Samsung's competitors show the similarities of the designs and dimensions of the industry.
Apple
Released in June 2010, the Apple iPhone 4 is 4.5 inches long, 2.3 inches wide and 0.4 inches deep and weighs 4.8 oz. Its 3.5-inch TFT touch screen produces more than 16 million colors and displays them at 640 by 960 pixels of resolution. The iPhone 4 is available with 16GB, 32GB and 64GB of internal memory, but does not come with a card slot for expanded memory.
Motorola
The Motorola i1 was released in May 2010 and, like the Epic 4G, features a compact design, measuring 4.7 inches long, 2.3 inches wide and 0.5 inches deep and weighing 4.6 oz. Equipped with a 3.1-inch TFT touch screen, the phone displays 262,000 colors at 320 by 480 pixels of resolution. The phone comes with 256MB of built-in memory and supports up to 32GB of expanded memory through its microSD card slot.
HTC
HTC's EVO 4G smartphone, released in June 2010, measures 4.8 inches long, 2.6 inches wide and 0.5 inches deep and weighs 6 oz. Its 4.3-inch TFT touch screen displays 65,000 colors at 480 by 800 pixels of resolution. With 512MB of onboard memory, the EVO 4G supports up to 32GB of added memory in the forms of microSD cards, which offer up to 2GB of memory, and microSD cards, which provide between 2GB and 32GB of memory.
LG
Released in May 2010, the LG Ally is 4.6 inches long, 2.2 inches wide and 0.6 inches deep and weighs 5.6 oz. The phone features a 3.2-inch TFT touch screen that displays 262,000 colors at 480 by 800 pixels of resolution and is equipped with 102MB of internal memory. Unlike the other phones, the Ally's memory expansion limit is 16GB.
Garmin-Asus
Known more for its GPS systems, Garmin released its Nuvifone A50 in June 2010. The Nuvifone measures 4.6 inches long, 2.5 inches wide and 0.5 inches deep and weighs 4.9 oz. Its 3.5-inch TFT touch screen produces 256,000 colors at 320 by 480 pixels of resolution. The phone offers 4GB of data storage and supports up to 32GB of expanded memory.
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