The Moto G4 runs Android Marshmallow and has a 1.5 GHz Snapdragon 617 octa-core processor, 2 GB of RAM, 16 or 32 GB of internal memory, a 5.5" Full HD (1920 x 1080) Gorilla Glass 3 screen, SD card slot, 13 MP main and 5 MP front facing cameras. The phone is water repellent, supports quick charging and has a non-removable 3000 mAh battery. It supports the following bands:
CDMA (850, 1900 MHz)
GSM / GPRS / EDGE (850, 900, 1800, 1900 MHz)
UMTS / HSPA+ (850, 900, 1700, 1900, 2100 MHz)
4G LTE (B1, 2, 3, 4, 5, 7, 8, 12, 13, 25, 26, 41).
Which covers all the major 2G, 3G, 4G and LTE bands used in the US and internationally
The Moto G4 is priced at $199.99 for the 16 GB model and $229.99 for the 32 GB version. It's available for pre-order from the Motorola site with an estimated delivery date of July 12, 2016.
The Moto G4 Plus is a slightly upmarket version of the Moto G4. Specs are mostly the same except that the Plus adds a fingerprint sensor, and gets a 16 MP rear camera with enhanced laser auto-focus instead on the non-Plus' 13 MP shooter with just plain auto-focus. The G4 Plus comes with 16 or 64 GB of internal memory and the 64 GB model gets 4 GB of RAM. The Moto G4 Plus is priced at $249.99 for the 16 GB, 2 GB RAM version and $299.99 for the $64 GB, 4 GB RAM variant. It can be pre-ordered today for July 12 delivery.
The third member of the 2016 Moto G family, Moto G4 Play is not available for pre-order yet. It will be the least expensive model and has specs similar to the 2015 Moto G, including a Snapdragon 410 SOC, 8 MP camera, 5" 1280x720 screen and 1 or 2 GB of RAM. The G4 Play will come in two models for the US market. THe XT1607, which has the same universal bands as the G4 and G4 Plus and a special XT1609 model for Verizon which only supports CDMA 850 and 1900 and LTE bands 2, 4, 5 and 13.
If you are planing to get either the Moto G4 or G4 Plus, you might want to order from BestBuy or B&H instead of directly from Motorola . Both retailers are throwing in a $50 store gift card when you order through them.
Sources: Motorola Blog, Motorola via Android Police