Raspberry Pi 5

ffjoao

Power Member
Raspberry Pi 5

  • 2.4GHz quad-core 64-bit Arm Cortex-A76 CPU
  • VideoCore VII GPU, supporting OpenGL ES 3.1, Vulkan 1.2
  • Dual 4Kp60 HDMI® display output
  • 4Kp60 HEVC decoder
  • Dual-band 802.11ac Wi-Fi®
  • Bluetooth 5.0 / Bluetooth Low Energy (BLE)
  • High-speed microSD card interface with SDR104 mode support
  • 2 × USB 3.0 ports, supporting simultaneous 5Gbps operation
  • 2 × USB 2.0 ports
  • Gigabit Ethernet, with PoE+ support (requires separate PoE+ HAT, coming soon)
  • 2 × 4-lane MIPI camera/display transceivers
  • PCIe 2.0 x1 interface for fast peripherals
  • Raspberry Pi standard 40-pin GPIO header
  • Real-time clock
  • Power button

https://www.raspberrypi.com/products/raspberry-pi-5/


 
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The Raspberry Pi 5 performed significantly better with the active cooler installed, to little surprise.
Without any heatsink, the Raspberry Pi 5 SoC had an 81 degree average and a peak of 89 degrees. When installing the active cooler, the SoC temperature under the same set of benchmarks was 56 degrees with a peak of just 72 degrees.
With the Raspberry Pi 4 a moderate passive heatsink or even active cooling is recommended. With Raspberry Pi 5, adequate cooling is even more important with the higher-clocked and faster Cortex-A76 cores.
Não me agrada este ponto. 🫤

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O transformador é de 27W. Não deve precisar de 27W sem dispositivos externos, mas o consumo de certeza que aumentou.

Média de multiplos Benchmarks do Phoronix:
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Overall the Raspberry Pi 5 is a big upgrade over the Raspberry Pi 4. The Raspberry Pi 5 delivers significantly better performance than the Raspberry Pi 4 that opens the door to many new opportunities with this low-cost Arm single board computer platform. The performance upgrade is huge with the four Cortex-A76 cores that clock up to 2.4GHz. But as shown in the benchmarks some SBCs like the Orange Pi 5 that utilize a big.LITTLE design to provide more cores can outperform the Raspberry Pi 5 still in some areas. But with the Raspberry Pi 5 is the more robust developer community and a plethora of accessories and support with the Raspberry Pi platform. In addition to the much-improved performance, the Raspberry Pi 5 features a new in-house southbridge for better I/O connectivity, PCI Express 2.0 x1, and other upgrades to round out the package. At just a $5 premium over the standard Raspberry Pi 4 pricing, the Raspberry Pi 5 is a very worthy upgrade -- assuming the retail availability proves to be robust and at expected pricing levels.
https://www.phoronix.com/review/raspberry-pi-5-benchmarks

Os resultados dos Benchmarks são mais ou menos o esperado de um Quad Core A76.
Continua a não ter um slot para eMMC ou um slot M.2. 🫤 Pelo menos M.2 está disponível via HAT. Versão prototipo do HAT M.2:
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EDIT: Usa Chiplets. :D Tem um die própria para o IO. :)
Raspberry Pi 5, in contrast, is built on a disaggregated chiplet architecture. Here, only the major fast digital functions, the SD card interface (for board layout reasons), and the very fastest interfaces (SDRAM, HDMI, and PCI Express) are provided by the AP. All other I/O functions are offloaded to a separate I/O controller, implemented on an older, cheaper process node, and connected to the AP via PCI Express.

RP1 is our I/O controller for Raspberry Pi 5, designed by the same team at Raspberry Pi that delivered the RP2040 microcontroller, and implemented, like RP2040, on TSMC’s mature 40LP process. It provides 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.

Under development since 2016, RP1 is by a good margin the longest-running, most complex, and (at $15 million) most expensive program we’ve ever undertaken here at Raspberry Pi. It has undergone substantial evolution over the years, as our projected requirements have changed: the C0 step used on Raspberry Pi 5 is the third major revision of the silicon. And while its interfaces differ in fine detail from those of BCM2711, they have been designed to be very similar from a functional perspective, ensuring a high degree of compatibility with earlier Raspberry Pi devices.
BCM2712 and RP1 are supported by the third new component of the chipset, the Renesas DA9091 “Gilmour” power-management IC (PMIC). This integrates eight separate switch-mode power supplies to generate the various voltages required by the board, including a quad-phase core supply, capable of providing 20 amps of current to power the Cortex-A76 cores and other digital logic in BCM2712.
https://www.raspberrypi.com/news/introducing-raspberry-pi-5/
 
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Experiências com dispositivos Pci-Ex. A gráfica ainda não está ainda funcional.
Parece que oficialmente só suporta Pci-Ex Gen2, mas suporta Gen3 não oficialmente.
I was able to get about 450 MB/sec under the default PCIe Gen 2.0 speed, and very nearly 900 MB/sec forcing the unsupported Gen 3.0—almost exactly a 2x speedup.
I did that in much of my testing and never encountered any problems, so I'm guessing that outside of more exotic testing, you can run devices at PCIe Gen 3.0 speeds if you test and they run stable.
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Finalmente um RPi com as ARM Crypto Extensions. :)
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Wireless e MicroSD:
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Latência da memória (Ele tem 512 KB L2 por cada Core e 2 MB de L3 conjunta para os 4 cores):
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https://www.jeffgeerling.com/blog/2023/testing-pcie-on-raspberry-pi-5

Outro possível HAT com 2 M.2:
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https://nitter.net/Mirko_DIY/status/1707321060008358339

Consumo com e sem coling activo:
The Raspberry Pi 5 is the hottest of all the Raspberry Pi boards we have ever used. At idle, without any added cooling, it sits at around 50.5 degrees Celsius and consumes around 2.7 Watts. Pushing it with a stress test will quickly make the Raspberry Pi 5 thermal throttle (which triggers at 82°C), dropping the CPU speed in an attempt to keep the CPU cool. Under stress, we hit 86.7°C (7 Watts) and saw the CPU throttle from 2.4 GHz down to 1.5 GHz.
The official cooler connects to the new fan connector, just next to the USB ports, a big improvement over prior Pis where any fan you attached had to take up GPIO pins, sometimes preventing the use of HATs. The fan is set to come on when the CPU hits 50°C. At idle, the heatsink kept the Raspberry Pi 5 at 39.5°C and consumed 2.6 Watts. Running our stress test saw the temperature rise to 59.3°C (6.8 Watts), way below the thermal throttle point. It seems that when running the Raspberry Pi 5 with cooling it consumes a fraction less power than without.
+/- 7W @ 2.4 Ghz.

Overclocking:
The short answer is yes, but how fast you can go depends on the “silicon lottery”. Overclocking is a simple process, requiring a few tweaks to a config file. In our tests we managed to overclock the CPU to 3 GHz, we did manage 3.2 GHz, but the system reported the speed differently in neofetch and vcgencmd. Neofetch reported 3.2 GHz, but vcgencmd said 3 GHz. After talking to the Raspberry Pi Engineering Team we are confident that the 3.2 GHz speed was erroneous and have omitted the data from the review.

For any overclock, you will need good cooling. Passive cooling via small heatsinks will not make the cut, because you need active cooling to drop the temperature below the 80°C thermal throttle trigger point. At 3 GHz the Raspberry Pi 5 had an idle temperature of 46.6°C and consumed 3 Watts. Under stress the Raspberry Pi 5 hit a top temperature of 69.2°C and consumed 10 Watts.
10 W @ 3 Ghz.

https://www.tomshardware.com/reviews/raspberry-pi-5
 
eu por mim só quero a caixa oficial ou uma argon one e está feito.
estou de olhos postos neste raspberry :)
a cena é que em acessórios quase que mais vale comprar um pc refurbished mas o consumo vai para o espaço.
 
já se sabe preços? Até agora tive todos os modelos de raspi a partir do 2, mas não me vejo a comprar o 5 se a tendencia de preços for a que tem sido. Por 40€ é uma coisa agora por 100+ prefiro algo baseado em x86 para o meu uso
 
Não percebo a que tipo de consumidor ou segmento de mercado o Raspberry Pi 5 se destina.

Um Raspberry Pi Zero 1/2 W, por 15-20€, consegue facilmente competir com alguns sistemas embebidos mais "fracos" (Arduino, NodeMCU, etc.) em preço-consumo-desempenho. Agora, comprar um Raspberry Pi 4 ou 5 por 70€, prefiro comprar um portátil recente e de baixo consumo, nem que seja em segunda mão, que já tenha integrados ecrã, teclado, SSD SATA ou M.2, sistema de arrefecimento capaz de dissipar pelo menos 10-15W, etc., e que possibilita ainda usar software tipo Throttlestop para limitar o consumo do processador ao valor desejado (para aplicações com restrições energéticas, e.g., alimentação com bateria).
 
@WindWalker

O problema é mesmo esse, tu estás a comparar o RPI com um pc no sentido custo beneficio, e não no tipo de utilização.

O RPI apesar de conseguir fazer em grande parte as mesmas funcionalidades do pc mas mais limitadas, perante outras aplicações tal como os RPI zero e Arduínos existe um zelião de aplicações e componentes adicionais em que se pode usar no RPI por ser compacto e o software desenvolvido é muito e pode ser ajustado mediante a situação, já ao recorreres a um pc nem por isso...

Basicamente o publico alvo é quem desenvolve projetos na área de eletrônica, robótica, entre outros semelhantes, existe, muito software online e que pode ser desenvolvido ou modificado porque existe uma comunidade enorme por de trás disto, tal como uma quantidade de componentes construídos para associar ao mesmo permitindo construir aparelhos mais compactos...
 
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@phonix

Uma vez que os sistemas são todos em rede e está tudo alojado num servidor e apenas precisam de um pc para aceder com um programa especifico o RPI é mais que competente para realizar isso, não é preciso mais.
 

Obrigado pelo post.

Sempre vi o uso de Raspberry Pi's mais como para entusiastas/"hobbyistas" que para outros fins, provavelmente porque é esse o uso que dei até hoje a esta plataforma.

Numa rápida pesquisa, percebi que o mercado de Raspberry Pi é muito maior do que imaginava, e suponho que daí advenham as prolongadas faltas de stock.
 
🤔

Raspberry Pi Receives Strategic Investment from Arm, Further Extending Long-Term Partnership​

Arm Holdings plc (Nasdaq: ARM, “Arm”) and Raspberry Pi Ltd today announced an agreement by Arm to make a strategic investment in Raspberry Pi. Arm has acquired a minority stake in Raspberry Pi, further extending a successful long-term partnership between the two companies as they collaborate to deliver critical solutions for the Internet of Things (IoT) developer community.
“Arm technology has always been central to the platforms we create, and this investment is an important milestone in our longstanding partnership,” said Eben Upton, CEO, Raspberry Pi. “Using Arm technology as the foundation of our current and future products offers us access to the compute performance, energy efficiency and extensive software ecosystem we need, as we continue to remove barriers to entry for everyone, from students and enthusiasts, to professional developers deploying commercial IoT systems at scale.”
https://newsroom.arm.com/news/raspberry-pi-investment
 
Uma dúvida de um noob que quer aprender:
Usar este RBi5 para ligar um SSD e HDD e fazer a minha NAS pessoal é viável ou consigo melhor propostas com outros equipamentos?
O SSD vai ter projetos Final Cut e Fotografia para editar no MacBook ou Desktop Windows e o HDD conteúdo multimédia para reproduzir via Infuse ou Plex. Tudo a ser usado pela rede cá de casa.
 
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