Xperia Z1 : A successor of Xperia Z is actually best example of being an upgrade. Yes, Xperia Z1 has all what a smartphone user needs. Thought is has been launched in August 2013, it`s still sold like yesterday launch phone. The gsmarena also show a popularity of 69% even today as this is much similar to iPhone 5S. Let`s have a comparison between iPhone 5S and Sony Xperia Z1...Click On Phone Image..

Update Status Via Xperia Z1
SIM: iPhone 5S has support of Nano-Sim while Xperia Z1 supports Micro-Sim. So in this regard, you have to spend a few money on cutting the sim to fit in iPhone 5S.
Body: Xperia Z1 is having dimension of 144 x 74 X 8.5 mm while iPhone 5S has 123.8 x 58.6 x 7.6 mm which actually shows that Xperia Z1 is bigger than iPhone 5S but this has no relation with screen dimensions. The iPhone 5S is lighter than Xperia Z1 by 58 grams or 40% approx. Xperia Z1 is dust proof and water resistant upto some extent.

Display : Xperia Z1 is better in display dimensions with 1080 x 1920 pixels, 5.0 inches (~441 ppi pixel density) screen while iPhone 5S has 640 x 1136 pixels, 4.0 inches (~326 ppi pixel density) screen. Well, if you are good in understanding the difference this is enough not to choose iPhone 5S.

External Memory: Xperia Z1 allows you to use memory card upto 64 GB while iPhone 5S comes with inbuilt memory of 16,32 and 64 GB.

Camera: The camera of Xperia Z1 is better with 20.7 MP while iPhone 5S is having 8MP camera. But this is not right to claim that iPhone 5S is not having a great camera. Apple also claims its camera to be better than other phones.

Battery: It`s also shocking to see that Xperia Z1 is having a Non-removable Li-Ion 3000 mAh battery          while iPhone 5S has Non-removable Li-Po 1560 mAh battery (5.92 Wh) which is again a half strength battery. Well, this is enough not to choose iPhone 5S.

गूगल ऐडवर्ड्स