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Raspberry Pi 3 costs $35 and has integrated 802.11n WiFi and Bluetooth 4.1

Posted on Monday, February 29 2016 @ 14:09:33 CET by


Exactly four years after the launch of the original 256MB Raspberry Pi Model B, the Raspberry Pi Foundation reveals its Raspberry Pi 3. The new model sticks to the same $35 price tag as the Raspberry Pi 2, it also has the same form factor but features a new 1.2GHz 64-bit quad-core ARM Cortex-A53 CPU and integrated support for 802.11n WiFi and Bluetooth 4.1.

The new processor delivers about 10 times more computing power than the original Raspberry Pi and about 50-60 percent more than the Raspberry Pi 2. The new model is also fully backwards compatible with its predecessors.
For Raspberry Pi 3, Broadcom have supported us with a new SoC, BCM2837. This retains the same basic architecture as its predecessors BCM2835 and BCM2836, so all those projects and tutorials which rely on the precise details of the Raspberry Pi hardware will continue to work. The 900MHz 32-bit quad-core ARM Cortex-A7 CPU complex has been replaced by a custom-hardened 1.2GHz 64-bit quad-core ARM Cortex-A53. Combining a 33% increase in clock speed with various architectural enhancements, this provides a 50-60% increase in performance in 32-bit mode versus Raspberry Pi 2, or roughly a factor of ten over the original Raspberry Pi.

James Adams spent the second half of 2015 designing a series of prototypes, incorporating BCM2837 alongside the BCM43438 wireless “combo” chip. He was able to fit the wireless functionality into very nearly the same form-factor as the Raspberry Pi 1 Model B+ and Raspberry Pi 2 Model B; the only change is to the position of the LEDs, which have moved to the other side of the SD card socket to make room for the antenna. Roger Thornton ran the extensive (and expensive) wireless conformance campaign, allowing us to launch in almost all countries simultaneously. Phil Elwell developed the wireless LAN and Bluetooth software.

All of the connectors are in the same place and have the same functionality, and the board can still be run from a 5V micro-USB power adapter. This time round, we’re recommending a 2.5A adapter if you want to connect power-hungry USB devices to the Raspberry Pi.
Raspberry Pi 3

A cheaper Model A+ version of the Raspberry Pi 3 is expected to follow later this year. Older versions of the Raspberry Pi also remain available as long as there's demand for these models.



 



 

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