Iphone 4s Or Sony Xperia SP?

I'm not entirely sure which mobile i want, & i'm having a hard time deciding. Could someone give me a second opinion?

Xperia sp is best

Personally I would choose the iPhone 4S. My aunt used to have the Sony Xperia SP.
She really did not like it she always told me
how she would really rather have an iPhone. She eventually did because her brother- in law gave her his old 4S and she says she likes it way better that the Sony phone.

The Xperia SP is slightly Larger and has a Larger Screen and higher resolution than the iPhone 4S.
The Xperia has a larger Battery which will give you greater Talk Time and longer between charges.
The Xperia has a faster processor than the iPhone 4S.
The Xperia has 1Gb of RAM as opposed to the iPhone 4S 512Mb
Both support video at 30 fps in 1080p
The Xperia is expandable and supports up to a 32Gb SD Card. The iPhone is whatever size you buy.

I would prefer iPhone for the security and speed.

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