In the event you're shopping for an 8GB Raspberry Pi 4 this week you would be forgiven for not noticing the single-board laptop has been up to date with a brand new chip.
As Tom's Hardware reports, the one strategy to inform the system-on-a-chip (SoC) has modified is by paying shut consideration to the mannequin quantity printed on it. Internet and app developer Jeff Geerling noticed the change when he picked up an 8GB Pi which had the mannequin quantity 2711ZPKFSB06C0T. Prior to now the mannequin quantity has all the time been 2711ZPKFSB06B0T.
The one distinction is that the third-from-last character is now a 'C' as an alternative of a 'B.' It means the 8GB Pi now makes use of the identical SoC as that discovered on the Raspberry Pi 400 keyboard computer. It additionally means a few very minor upgrades are actually current on the board, which most customers will in all probability by no means discover.
The 2 "upgrades" embrace the EMMC2 bus and PCIe interface having the ability to entry extra reminiscence. Within the case of the EMMC2 bus is was restricted to solely addressing the primary 1GB, the place because the PCIe interface was restricted to the primary 3GB. There's additionally meant to be some "energy gating enhancements" included within the new SoC.
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By switching to the newer Pi 400 SoC, manufacturing strains will be streamlined. Geerling additionally factors to the identical chip beginning to seem on 2GB variations of the Pi, so it is smart that ultimately all Raspberry Pi 4 boards will ship with the Pi 400 model of the SoC.
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