Raspberry Pi 4 Computer Model B with 8GB RAM is the latest variant of the Raspberry Pi 4 Computer series 
It has the identical specification of the other 2 models, Pi 4 2GB RAM and Pi 4 4GB RAM except it has 8 gigabytes of RAM. 
 Pi 4  model B 8GB has the same amazing features :
 Cortex-A72 Quad Core 1.5GHz Processor,Gigabit Ethernet, 
faster wireless and the ability to run 2x 4K monitors at the same time thanks to the pair of micro HDMI connectors.
It uses a 1.5GHz 64-bit quad-core Arm Cortex-A72 CPU, has three RAM options (8GB), gigabit Ethernet, integrated 802.11ac/n wireless LAN