Apple decided to go through large display in two specifications. Moreover this year the company plans to release the iPhone 6 and iPhone 6 Plus with two completely dissimilar displays.
Known that the new smartphones will receive AMOLED 4,7-inch display with a resolution of 1704x960 and 5.5-inch display with a resolution of 1920x1080 (386 ppi for the both models).
Apple iPhone 6 will receive a new quad-core 2.6GHz A8, which 17% faster than the A7. Influenced by a new iPad was extended the amount of internal memory: 32GB/64GB/128GB. The iPhone 6 with a 4.7-inch display will keep 8MP camera with improved optical image stabilization, a F1.8 aperture and a 1800mAh sport battery. Regarding the 5.5-inch model necessary to hope for 13MP camera with dual LED flash and 2500mAh battery on board.
Most likely NFC will be integrated into the Apple iPhone 6. Naturally, there will be 4G, Wi-Fi, Bluetooth, Wireless Charging and iOS 8 as its operating system.
They say that the trial production of 4,7'' iPhone 6 have already begun, but it is unlikely will be officially announced earlier than September. The iPhone 6 could cost around $100 more than Apple's 2013 models, including due to its larger screen size.