Raspberry Pi

The Raspberry Pi is a series of small single-board computers developed by the Raspberry Pi Foundation

Raspberry Pi 4

Features

The speed and performance of the new Raspberry Pi 4 is a step up from earlier models. The fanless, energy-efficient Raspberry Pi runs silently and uses far less power than other computers. Raspberry Pi 4 comes with Gigabit Ethernet, along with onboard wireless networking and Bluetooth. The new Raspberry Pi 4 has upgraded USB capacity: along with two USB 2 ports there are two USB 3 ports, which can transfer data up to ten times faster. The Raspberry PI 4 has support for up to two 4K displays through its two Micro HDMI Ports.

Specifications

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	500 MHz VideoCore VI	400 MHz VideoCore IV
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)

Raspberry Pi Zero W

Features

The Raspberry Pi Zero W extends the Pi Zero family. Launched at the end of February 2017, the Pi Zero W has all the functionality of the original Pi Zero, but comes with with added connectivity, consisting of:

• 802.11 b/g/n wireless LAN

• Bluetooth 4.1

• Bluetooth Low Energy (BLE)

Like the Pi Zero, it also has:

• 1GHz, single-core CPU

• 512MB RAM

Specifications

Spec
CPU	Broadcom BCM2835 application processor, 1GHz ARM11 core (40% faster than Raspberry Pi 1)
RAM	512MB of LPDDR2 SDRAM
Storage	A micro-SD card slot
Video Output	A mini-HDMI socket for 1080p60 video output
Power	Micro-USB sockets for data and power
GPIO	Un-populated 40-pin GPIO header (same pinout as Model A+/B+/2B/3B)
Connectivity	2.4GHz 802.11 b/g/n Wi-Fi, Bluetooth 4.1 LE

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