Every year Apple and Samsung, the two biggest smartphone makers, lock horns with each other to lure the mobile users across the world with their new products by coming out with newer and more innovative features in their products.

This year, the battle will be between Apple's iPhone 6 and Samsung's Galaxy S4.

Going by the rumored specifications we have got so far, it looks like a very close encounter between the two. Both the companies are not leaving any stone unturned to make sure they win the "Battle to be the biggest."

Apple is going to boost its new product with its own operating system iOS 7, whereas Samsung is going to run its phone, once again, on Android, but this time on the latest version Android 4.2 Jelly Bean or Android 5.0 Key Lime Pie.

However, if we go by the latest rumor released by SamMobile, Galaxy S4 will be seen running on Android 4.2 Jelly Bean.

Samsung was earlier rumored to be running Galaxy S4 on its Tizen OS, but keeping the intensity of the competition in mind the move is highly unlikely.

The release date, as rumors suggest, is going to be the first quarter or second quarter for Galaxy S4 and the third quarter for iPhone 6.

When it comes to the processor, Apple would probably come out with an updated A6 system-on-chip (SOC) processor; however, Samsung is believed to be powering its device by Exynos 5 Octa-core processor.

Samsung released its Exynos 5 Octa-core processor the recently concluded International CES in Las Vegas.

With eight cores inside, Exynos 5 Octa-core is the fastest processor for any smartphone, and Apple cannot beat this processor, at least this year.

Coming to the screen size, both the phones will have equal share with believed to be a 5-inch display. Apple might look a step behind if Samsung introduces 1080p Grand AMOLED Display.

The two things Apple will lose on will be S-pen stylus (if Samsung launches it with the Galaxy S4) and the wireless changing.

Recent reports have indicated that Samsung will spare its users from a web of wires by introducing the wireless charging in the Galaxy S4. Apple has filed a patent for a similar technology but is unlikely to introduce it in the next iPhone.

As Apple is going to release its next product in September (end of Q3), Samsung will have an upper hand in the market as it is expected to release its device in April (beginning of Q2).

With the S-pen and wireless charging people will prefer Samsung over Apple up to an extent, but a long waiting period for Apple's phone will force people who have an unsatisfactory craving for new and advanced phones, to try their hands on Samsung's new smartphone.