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2.6GHz quad-core Intel Core i7 with a 3.6GHz Turbo Boost, Nvidia GeForce GT 650M graphics, 8GB DDR3L SDRAM, a massive 512GB of flash storage, and of course, the 15.4-inch 2880 x 1800 Retina display
Apple replaces Google Maps with its own maps, turn-by-turn navigation and traffic info
The Do Not Disturb mode can be set to still let through messages and calls from your favorite contacts and groups as well as repeating calls, so your loved ones and those that need to contact you urgently can always reach you.
FaceTime also got updated with iOS 6. The video-call app now works over cellular networks, not just Wi-Fi
The Safari browser has learned a few new tricks in iOS 6. It now has iCloud Tabs, which are synced with your desktop Safari in real time along with an offline reading list. Another cool extra is the ability to upload photos right from the browser to Facebook, Twitter, Picasa, etc.
Shared Photo Stream is another new feature with a social taste. It lets you select contacts and give them access to the photos you are uploading. Once you upload a new album said contacts will be notified and they will get the chance to check your shots and post comments on them.
The next new feature is VIP contacts. You mark a contact as VIP and all the messages you get from that contact will be highlighted, so you'd know to check them out first.
The iOS 6 introduces a new preinstalled app called Passbook. It will collect all of your boarding passes, tickets, coupons, loyalty cards etc. and keep them neatly organized. QR codes scanning is supported, so you can easily get those on board.
As the main change brought by iOS 6 is a new Maps application, called... Maps. Apple has ditched Google Maps and is introducing its own service to replace it. The new maps have cool design and offer local search options with Apple claiming to have inserted more than 100 billion business listings already. The new Maps support 3D mode and satellite view.
The iOS 6 is compatible with iPhone 3GS and later, iPad 2nd and 3rd gen, iPod Touch 4th gen. This means the first-gen iPad is out of the game. The iOS 6 beta is available from today, while the final release will hit the supported iGadgets this fall
Sources: TheVerge, Gsmarena. MacRumors