The Nokia Lumia 520 is a smartphone running on Windows Phone 8, with a screen size of 4.72 x 2.52 x .39 inches and a weight of 124g.
On the other hand, the Xperia Z1 is also a smartphone running on Android 4.3 and 4.2.2, with dimensions of 5.69 x 2.91 x .33 inches and a weight of 170g. The display of the Nokia Lumia 520 is 4 inches and that of Z1 is 5 inches, with the former having a resolution of 480 x 800 pixels and the latter 1080 x 1920 pixels and a pixel density of 233 ppi and 440ppi respectively. The storage capacity of Nokia Lumia 520 is 8 GB, whereas that of the Sony Xperia is 16 GB. However, both have a micro SD for expansion up to 64GB. Battery life is almost the same for both the phones, being around 14 hours for average use. The capacity of the Nokia Lumia is 1430 mAh and that of Sony Xperia is 3000 mAh.
Both the phones have an Autofocus and Touch to focus feature with white balance presets along with Geo tagging and panoramic views. The Nokia Lumia offers a CMOS image sensor and ISO control, whereas the Xperia Z1 has features such as smile detection and Burst mode. In addition, the Sony Xperia Z1 also has a front facing camera of 2 MP. The Z1 can offer excellent results in good lighting. The camera in the Sony Xperia also has a flash that enables taking pictures in low lighting conditions. The front camera present in the Sony Xperia Z1 is useful for taking selfies and also for making video calls.
Where Sony Xperia Z1 Scores
The Xperia Z1 has greater battery power to begin with. The processor of Z1 is also faster at 2.2 GHz compared to 1 GHz, with a higher resolution and better battery capacity of 3,000 compared to 1,430 mAh. The screen is sharper with higher ppi of 440 compared to 233. The download speed is also higher in case of Sony Xperia, being 150 Mb per sec, as compared to 5.76 Mb per second. The standby times are better and it also has a bigger screen of 5” compared to 4”. The RAM is 2GB, which is more than the .5GB of Nokia Lumia. You can surely store more stuff in 16GB than in 8GB.
Smoother Experience in Sony Xperia Z1
The phone is also slimmer, being 8.5 mm v/s the 9.9 mm of Nokia Lumia. The app store is bigger with more than enough apps for all types of tasks. The phone is lighter and can record a higher definition of video as well. The Xperia Z1 also has a faster CPU, which is about 120% times faster than the Nokia Lumia 520. This offers the user a smoother experience. The device is also faster as the RAM is almost 300% times more, which means that you can run more apps at the same time. As the screen is bigger it is easy to read from the web, browse the Internet and even watch movies, offering a better experience on a bigger screen. The screen is also sharper and crisper, due to the higher resolution. The phone is also slimmer and, therefore, more compact and fashionable.
However, the Nokia Lumia 520 does have a few advantages as well. For instance, it is 27% lighter and such devices are easy to hold and can be easily carried about. In addition, the Nokia Lumia 520 also has removable battery, which can be removed if the device freezes. When the battery performance gets reduced, you can replace it or use a spare battery.