2019 raspberry pi 3 Model B wifi board

Faster processor speeds. In the 1.2 GHz when, Pi 3 and a half times faster. Pi board better performance.
Board connector. Pi 3 with 802.11 b / g / n wireless LAN and  low energy (BLE). You can achieve a faster connection, without any external equipment.
2.5 A power supply. With faster processors and an onboard connector capable, you will need more power. Before Pi board for the power supply will be insufficient.
New element. Pi 3 having a chip antenna, the status LED located before the place. Status LED still board, right next to the MicroSD card slot.
 
• Broadcom BCM2837 chipset running at 1.2 GHz
• 64-bit quad-core ARM Cortex-A53
• 802.11 b / g / n Wireless LAN
•  (classic and low power consumption)
• Dual-core Videocore IV® multimedia coprocessor
• 1 GB LPDDR2 memory
• supports all the latest ARM GNU / Linux distribution and Windows 10 IoT
• MicroUSB connector for 2.5 A Power
• 1 x 10/100 Ethernet port
• 1 x HDMI video / audio connector
• 1 x RCA video / audio connectors
• 4 USB 2.0 ports
• 40 GPIO pins
• chip antenna
• DSI display connector
• microSD card slot
• Dimensions: 85 x 56 x 17 mm