Processor, RAM: BlackBerry Z10 runs on a dual-core processor clocked to 1.5GHz , 2GB of RAM, while Samsung Galaxy S3 is powered by Samsung’s own quad core Exynos 1.4GHz Cortex A9 processor for international version, Snapdragon S4 dual core at 1.5GHz for the US version.
Camera: Blackberry Z10 is equipped with a rear-facing 8 megapixel shooter capable of 1080p video, and a front-facing 2 megapixel camera which can do 720p video capture. The camera doesn't take shots as crisp as the ones you'll get from the Galaxy s3, but have a new "wow" features called Time Shift. The Galaxy S3 has an 8-megapixel camera on back and a front camera at 1.9 megapixels.
Operating System: Running on the new BlackBerry 10 operating system, Performance on the Z10 was generally snappy and responsive and all about the new version of BlackBerry's software is swiping and tapping your fingers on the big screen. Compared to Android, it also offers additional features like BlackBerry Flow, BlackBerry Hub, BlackBerry Keyboard and Camera with Time Shift mode.
Battery: In consideration of the battery power, Samsung Galaxy S3 has a more powerful 2100mAh battery while Blackberry has only provided a disappointed 1,800 mAh battery in the device. Galaxy S3's battery is able to hold up to 12 hours of talk time that vary on the networks available, while Z10 support Talk time up to 10 hours on 3G, Up to 60 hours of audio playback and 11 hours of video playback. Lucky, Users can replace the battery with a spare like the Galaxy s3.
Price: The detailed price of Z10 is not yet known. Verizon Wireless says it will sell it for $200 with a two-year service agreement. Unlocked version will be sold for $599. The price of Galaxy s3 sometimes as low as $99 for basic model, though carriers typically charge $199 with two-year contract.
Release Date: Samsung galaxy s3 is now available worldwide, including U.S. in June 2012 and Europe in May 2012. BlackBerry Z10 will hit the shelves In U.S. in March. Varies elsewhere, including U.K. on Thursday, Canada on Feb. 5 and Latin America by end of March.
Bottom Line: There is no doubt that the Z10 is a fully modern BlackBerry. It is fast than before, has a mobile browser that beats many of the others and an outstanding keyboard; most important it runs a brand new operating system. The new software does offer something different than the others, but overall it (the maps and other features like voice control) and its app store lack the robustness of Apple's, Google's and even Microsoft's offerings. So which do you prefer, it depends on you.