Raspberry Pi 5
Learn about the new Raspberry Pi 5
27 September 20235 minute read
By Kevin McAleer
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Learn about the new Raspberry Pi 5
27 September 2023
By Kevin McAleer
Share this article on
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It’s finally here and it’s packed full of new features. The Raspberry Pi 5 is the next generation of the Raspberry Pi Single Board Computer, and will be available to buy in October 2023 (about 4 weeks from launch), along with the new 5V5A Power Supply, Case, and active cooling Fan. The Raspberry Pi 5 will also be only be available to Makers until the New Year once sufficient supplies have become available, when it will be available to Industrial users, too.
Let’s take a deep dive and learn about what has changed, why you’ll want one, and when it’s actually available.
Here is an overview of the new features:
A Southbridge
is a secondary processor, designed to handle slower operations such as Input/Output, USB and Camera & Display operations. The Northbridge
handles the fastest operations such as CPU, GPU and data transfers from main memory.
The new processor is 150x more powerful than the original Pi, and is on par with the processing capabilities of the 2015 Apple MacBook Air.
The display connector has been moved next to the camera connector and can now be used with 2 cameras, 1 camera and 1 display or 2 displays.
Note that the ribbon cable is the smaller size, used on the Raspberry Pi Zero & Zero 2W.
The HDMI ports can now display 4k at 60 frames per second (4kp60), and unlike the Raspberry Pi 4, can comfortably handle full screen video at 4k.
The Power over Ethernet (PoE) has been upgraded to PoE+ (802.3at), meaning it can deliver up to 30W of power with 25W guaranteed to be available at the powered device.
A separate PoE+ HAT is required to use this feature, available shortly after launch.
USB speed has been improved, and each USB 3 port can now support 5gb of operation simultaneously. The USB 2 ports also have dedicated controllers, increasing the maximum available data transfer rates.
The GPU has been improved and now runs at an impressive 800MHz, now supporting OpenGL ES 3.1 and Vulkan 1.2.
The Raspberry Pi 5 now has a new power management chip that can intelligently manage the amount of power drawn from the power supply. It also talks to the power button to respond to signals (on/off/soft & hard shutdown)
The mounting holes and footprint of the 5 are identical to the 4, apart from the USB and Ethernet ports that have moved back to the previous orientation with the Ethernet now back to the bottom of the board.
There are an additional 2 mounting holes on the board for the Active Cooling fan, which is now available from Raspberry Pi, which both monitors the temperature of the CPU and intelligently adjusts the speed of the fan to cool.
The Pi 5 also has a new power button, and a real-time clock with an external battery connector.
The Pi 5 also comes with a new OS release - Bookworm (the latest Debian release). It includes a new User Interface layer called Wayfire
which is based on the Wayland protocol. This results in a 2x faster interface, which feels more responsive, has nicer launch and close animations and subtle shadows. It’s very much a premium Desktop OS feel.
Note as Wayfire is a signifiant departure from the X Windows based Mutter UI, do expect some teething problems with apps not written to take advantage of the new UI.
In a nutshell the new Pi is faster in every way, more capable with new PCIe port, dual camera connectors and the battery connector and realtime clock mean your Pi can remember the time without needing to connect to the Internet.
Kevin McAleer
I build robots, bring them to life with code, and have a whole load of fun along the way
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