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=Pi 3=
The third generation '''Raspberry Pi 3''' replaced the Raspberry Pi 2 Model B in February 2016, now featuring a 1.2 GHz 64-bit quad-core [[ARMv8]] CPU, [https://en.wikipedia.org/wiki/IEEE_802.11n-2009 802.11n] [https://en.wikipedia.org/wiki/Wireless_LAN Wireless LAN], and [https://en.wikipedia.org/wiki/Bluetooth#Bluetooth_v4.1 Bluetooth 4.1] <ref>[https://www.raspberrypi.org/products/raspberry-pi-3-model-b/ Raspberry Pi 3 Model B | Raspberry Pi]</ref>.
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=Pi 4=
The '''Raspberry Pi 4''', released in June 2019, comes with a 1.5 GHz, quad-core Cortex-A72 [[ARMv8]] CPU, up to 4GiB [[Memory#DDR4|DDR4 RAM]], [https://en.wikipedia.org/wiki/USB_3.0 USB 3] ports, [https://en.wikipedia.org/wiki/Gigabit_Ethernet Gigabit Ethernet], [https://en.wikipedia.org/wiki/IEEE_802.11n-2009 802.11ac] (2.4 / 5 GHz), [https://en.wikipedia.org/wiki/Bluetooth#Bluetooth_5 Bluetooth 5.0], dual micro [https://en.wikipedia.org/wiki/HDMI HDMI] ports, and a 500 MHz [https://en.wikipedia.org/wiki/VideoCore VideoCore VI] [[GPU]] <ref>[https://www.raspberrypi.org/products/raspberry-pi-4-model-b/ Raspberry Pi 4 Model B – Raspberry Pi]</ref>.
=Chess Projects=
