Published: Mon, June 24, 2019
Electronics | By Kelly Massey

Raspberry Pi 4 Released with Up to 4GB RAM & 4K Support

Raspberry Pi 4 Released with Up to 4GB RAM & 4K Support

This is the first Raspberry Pi to be advertised as a "complete desktop computer".

The Raspberry Pi Foundation has launched the fourth generation of its eponymous single-board computer family, imaginatively called the Raspberry Pi 4 - and it's a considerable upgrade over its predecessors.

The biggest and most notable upgrade is the CPU. Previous Raspberry Pi models were offered with either 512MB or 1GB of LPDDR2 RAM. In fact, the foundation says you can expect a 3x performance boost over the old chipset. The upgraded GPU is linked to two micro-HDMI ports, each capable of driving an independent display at 4K30 - or, with a little overclocking and the understanding that video corruption may occur if you exceed the bandwidth available to the hardware video scaler, an unofficial twin-display 4K60 - or a single display at 4K60. Today, the Raspberry Pi Foundation announced the successor to its successful Raspberry Pi 3 line: the Raspberry Pi 4.

The Raspberry Pi 4 Model B with 1GB of RAM is priced at £34 or $35 (around AU$50), and you'll pay £44 or $45 (around AU$65) for the 2GB version, and £54 or $55 (around AU$80) for the top-end offering with 4GB of RAM. There are two micro HDMI ports on the Pi 4, but you only get 60 Hz output on a single monitor. The Type-C port "supports an extra 500mA of current, ensuring we have a full 1.2A for downstream USB devices, even under heavy CPU load", writes Upton.

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The new Raspberry Pi 4 case also gets new accessories, like a new case that matches the arrangement of the new ports, as well as a new USB-C power supply, which delivers power of up to 15W.

New ports have also been added to the Raspberry Pi 4 in the form of Gigabit Ethernet, which has replaced Ethernet over USB 2.0. A microSD card slot is integrated for OS and data storage. It also provides two micro-HDMI cables and a 32GB microSD card pre-installed with a major new Raspbian Buster distribution.

The PoE connector remains in place so you can use the existing Raspberry Pi PoE HAT. It offers an improved UI, the Chromium 74 web browser, and a new graphics driver stack based on the Mesa V3D driver developed by Eric Anholt at Broadcom.

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