What’s new for Raspberry Pi 4 8GB

The Raspberry Pi Foundation recently released the powerful Raspberry Pi 4 8GB RAM version, so what are the updates in the new version of Raspberry Pie 4? Well, the new 8G Raspberry Pi 4 has three major updates about hardware and software.

Hardware Updates

Update 1- New Raspberry Pi 4 features 8G LPDDR4 SDRAM.

The new Raspberry Pi 4 features 8G LPDDR4 SDRAM, which is a complete doubling of capacity compared to the highest 4G memory version released last year. In fact, the CPU on the Raspberry Pi 4, that is, the BCM2711 supports up to 16GB of LPDDR4 SDRAM addressing space. But it wasn’t until almost a year after Raspberry Pi’s release that the 8G version arrived belatedly. The problem lies in the 8GB LPDDR4 package, which must be specifically designed for the Raspberry Pi 4. With the help of Micron, the development team overcomes this packaging difficulty now and brings us the new Raspberry Pi 4 8GB at the cost of $75.

Update 2 – Optimized power supply

In order to provide higher peak current to match the power supply requirements of 8GB LPDDR4 SDRAM memory chips, the new version adds a switching power supply near the USB Type-C interface.

Software Updates

Update 3 – Release the new 64-bit Raspbian operating system

Along with the 8GB version new Raspberry Pi, the Raspberry Pi Foundation released the 64-bit version Raspbian operating system at the same time and renames it as the Raspberry Pi OS (64-bit). But the 64-bit version is still in beta testing and the official OS download page only provides the 32-bit version download link now. If you want to experience the new 64-bit version of Raspberry Pi OS ahead of time, you can click the link below. It is worth mentioning that the new 64-bit system supports earlier versions of Raspberry Pi 4 and Raspberry Pi 3. (Sorry for the Raspberry Pi 2 and early version)

https://www.raspberrypi.org/forums/viewtopic.php?f=117&t=275370

So the question comes, how should I tell the Raspberry Pi 4 8GB from the earlier Raspberry Pi 4?

How to tell Raspberry Pi 4 8GB version from other versions by the appearance.

Basically, they are almost identical in appearance, but different in two places. As we mentioned before, the power supply. The new Raspberry Pi 4 8GB has a switching power supply near the USB Type-C interface, while the other versions do not have.

Besides, the RAM chip modules are different, so the coding on the chip is different.

LPDDR4 RAM chip model:
8GB Version-0AA47-D9ZCL
4GB Version-9FD77-D9WHV

Conclusions:

For most daily work, the Raspberry Pi 4GB will be a better choice. But for some professional applications, such as using virtual machines, you will not want to miss the 8GB version.

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