Nokia Lumia 620 or Sony Xperia P

Nokia Lumia 620 or Sony Xperia P
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Hi

I need advice on the better phone to buy-Nokia Lumia 620 or Sony Xperia P.The criteria according to importance are

1.Gaming quality/performance

2.Screen/Display quality

3.Connectivity-especially to TV

and any other important factor(s)you can think of.

Merry Xmas.