1Display
The new Motorola Moto X has a bigger 5.2 inch AMOLED Display as compared to the 4.7 inch AMOLED display of older version. However, it has the same HD resolution as well as Corning Gorilla Glass 3 coating.
2Design
As it has a bigger display, the new Moto X is naturally bigger than the older version: 140.8 mm tall and 72.4 mm wide while the older version is 129.4 mm tall and 65.3 mm wide.
3Operating System
It too has the latest Android 4.4.2 KitKat version as the older Moto X.
4Processor
The new Moto X comes with quad core 2.5 GHz Snapdragon 801 Processor and Adreno 330 GPU, a big improvement over the 1.7 GHz dual core Snapdragon Pro processor of older Moto X.
5Memory
Though it has a better processor, the new Moto X has 2 GB RAM and 16 GB ROM combination as the older version.
6Battery
The New Moto X has a bigger 2300 mAh battery as compared to the 2200 mAh battery of older version which though was the necessity as it has a bigger display.