There's little difference between the original Moto G and the new model. As you can tell, the device now has 4G LTE support for faster mobile network data speeds which is great news. Motorola said this was too pricey to include in the original model. See also:Google Nexus 5 review: The best value smartphone you can buy.
Learning from its mistakes and listening to what consumers want, Motorola has added a much needed microSD card slot to the Moto G. Expandable storage is an excellent upgrade and the only thing missing from the smartphone aside from 4G support.
Those are the two key differences but here are the full specs for the Moto G 4G:
• 4G LTE support • 4.5-inch HD display (1280 x 720, 326ppi) • Qualcomm Snapdragon 400 quad-core processor 1.2GHz CPU • Adreno 305 GPU • Android 4.3 Jellybean (Android 4.4 KitKat at the beginning of 2014 • 8/16GB internal storage (65GB Google Drive) • microSD card slot (up to 32GB) • 1GB RAM • 5Mp rear camera with LED flash, 720p video • 1.3Mp front camera, 720p video • 802.11b/g/n Wi-Fi, Bluetooth 4.0, Micro-USB, GPS • 2070mAh battery • 66 x 130 x 11.6mm, 143g