Sony Xperia Z2 vs. Sony Xperia Z1: Released only five months apart, should you still consider upgrading to the latest Sony smartphone model?

Display

Both screens are in full HD resolutions (1080 x 1920 megapixels) but the newer Xperia model makes use of 'Live Colour' technology that the colors in the screen look vibrant, as compared to Z1's display that appear to be dull.

Performance

There's not much of a difference between Z1 and Z2 in terms of performance. Z2 is powered by Qualcomm Snapdragon 801 MSM8974-AB, quad core, clocked at 2.3MHz, while Z1 is powered by Qualcomm Snapdragon 800 MSM8974, quad core clocked at 2.2MHz.

Camera

Z2 is packed with higher RAM at 3072MB; Z1 only has 2048MB. Both Sony handsets carry similar built-in storage capacities at 16GB.

Sony Xperia Z2 vs. Sony Xperia Z1: According to papers, the two smartphones comprise the same camera specs - 20.7 megapixels, LED flash, F2.0 aperture size, and 1/2.3" camera sensor size - except for one - Z1 has focal length of 27mm.

When it comes to camera features, the former Xperia model has more - Back Illuminated sensor (BSI), Autofocus, Touch to focus, Digital image stabilization, Face detection, Smile detection, White balance presets, Burst mode, Digital zoom, Geo tagging, High Dynamic Range mode (HDR), Panorama, Scenes, and Self-timer.

Battery Life

Talk time with Z2 can take up to 15 hours. It's 1.17 hours shorter with Xperia Z1. However, Z1 has longer stand-by time - 36.7 days or 880 hours - compared to Xperia Z2's 28.8 days or 690 hours. Talking of capacity, Z1 battery comes only with 3000mAh; Z2's 3200mAh.

Sony Xperia Z2 vs. Sony Xperia Z1: Per the head-to-head comparison above, you'll know that you should go straight to purchasing the Sony Xperia Z2 rather than Z1. It offers better specs and features - aside from the fact that it is the latest between the two.