TL;DR It’s called the Raspberry Pi 2 Model B. Quad core ARM Cortex A7 with ... someone realized they could upgrade the RAM from 256 MB to 512 MB. It is not yet known whether the Raspberry ...

with the Raspberry Pi 2 Model B having a 4-core CPU and 1GB of RAM. This was a huge leap from the single-core processor and 512MB of RAM on the Raspberry Pi 1 Model B+ and made the Raspberry Pi 2 ...