Raspberry Pi 5 is out with 2.4GHz quad-core ARM Cortex-A76 CPU

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Raspberry Pi 5 is out with 2.4GHz quad-core ARM Cortex-A76 CPU

by Slobodan Simic on28 September 2023

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First Raspberry Pi with silicon designed in‑house in Cambridge, UK

Raspberry Foundation has officially launched the new Raspberry Pi 5, claiming it to be twice as fast as its predecessor and proudly announcing that it is the first Raspberry Pi computer to feature silicon designed in‑house in Cambridge, UK.

Specifications-wise, the Raspberry Pi 5 uses a 16nm Broadcom CMB2712 application processor (AP), featuring a 2.4GHz quad-core ARM Cortex-A76 SoC, 512KB of L2 cache per core, 2MB of L3 shared cache, new Broadcom VideoCore VII GPU, which comes with open source Mesa drivers, and capable of running two 4Kp60 HDMI displays simultaneously. The GPU also features a 4Kp60 HEVC decoder and a new Image Sensor Pipeline (ISP). The SoC features a 32-bit LPDDR4X SDRAM subsystem running at 4267MT/s.

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The Raspberry Pi 5 uses a disaggregated chiplet architecture, as described by Raspberry Foundation, where only the major functions, like the SD card interface, SDRAM, HDMI, and PCI Express, are located in the AP, while other I/O functions are offloaded to separate I/O controller, like the RP1.

The RP1, which is the I/O controller for the Raspberry Pi 5, is based on TSMC's older 40LP manufacturing process and features two USB 3.0 and two USB 2.0 interfaces, a Gigabit Ethernet controller; two four-lane MIPI transceivers for camera and display; analogue video output; 3.3V general-purpose I/O (GPIO); and the usual collection of GPIO-multiplexed low-speed interfaces (UART, SPI, I2C, I2S, and PWM). A four-lane PCI Express 2.0 interface provides a 16Gb/s link back to BCM2712.

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The Raspberry Pi 5 also comes with Renesas DA9091 “Gilmourpower-management IC (PMIC), the Infineon CYW43455 combo chip provides dual-band 802.11ac Wi-Fi and Bluetooth 5.0 with Bluetooth Low-Energy (BLE), and Broadcom BCM54213 Gigabit Ethernet PHY.

Raspberry Foundation also updated the design/form factor, and while it retained the overall credit-card-sized footprint, it no longer features the four-pole composite video and analogue audio jack, comes with a pair of FPC connectors, as well as another smaller FPC connector which provides a single lane of PCI Express 2.0 connectivity for high-speed peripherals. It also comes with new mounting holes for a heatsink, JST connectors for RTC battery, ARM debug and UART, and four-pin PWM fan control and tacho feedback.

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As proudly noted by Raspberry Foundation, the Raspberry Pi 5 is designed in Cambridge, and built at the Sony UK Technology Centre in Pencoed, South Wales, so it is a proper "Made in the UK" product. There are plenty of new accessories for the Raspberry Pi 5, and it is currently available for pre-order, starting at $60 USD for the 4 GB variant, and $80 USD for the 8 GB variant (plus VAT).

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