Build quality is top kknotch with metal body, processor is fast not very fast clocked at 1.4 ghz but no lag is there even in gaming.
graphics are also very good with adreno 505 gpu .
RAM is sufficient 2gb out of which 1gb is always free.
battery life is very good lasts for more than a day with normal to heavy usage .
front camera 5 megapixel is very good if u click pictures in HDR mode .color reproduction of images is really impressive
display is also very good 720p can play upto 1080p