Raspberry PI 4 Model B 4GB

Spec	Raspberry Pi 4 B	Raspberry Pi 3 B+
CPU	1.5-GHz, Quad-Core Broadcom BCM2711B0 (Cortex A-72)	1.4-GHz, Quad Core Broadcom BCM2837B0  (Cortex A-53)
RAM	1 - 4GB DDR4	1GB DDR2
GPU	400 MHz VideoCore IV	500 MHz VideoCore VI
Video Out	dual micro HDMI ports	single HDMI port
Max resolution	4K 60 Hz + 1080p or 2x 4K 30 Hz	2560 x 1600
USB Ports	2x USB 3.0 / 2x USB 2.0	4x USB 2.0
Wired Networking	Gigabit Ethernet	330 Mbps Ethernet
Wireless	802.11ac (2.4 / 5 GHz), Bluetooth 5.0	802.11ac (2.4 / 5 GHz), Bluetooth 4.1
Charging Port	USB Type-C	micro USB
Power Requirement	3A, 5V	2.5A, 5V
Size	3.5 x 2.3 x 0.76 inches (88 x 58 x 19.5mm)	3.2 x 2.2 x 0.76 inches (82 x 56 x 19.5mm)
Weight	0.1 pounds (46 grams)	0.11 pounds (50 grams)

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