This refers to the single-core Raspberry Pi Zero, with 512 MB of RAM and smaller form factor than models A+/B+/2B.
The Raspberry Pi Zero
- A 1 GHz single-core ARM11 CPU
- 512 MB of RAM
- microSD card slot
- Mini-HDMI socket
- Micro-USB sockets (for power and data)
- Unpopulated 40-pin GPIO header and composite video header
- Form factor 65 mm x 30 mm x 5 mm
https://www.raspberrypi.org/blog/raspberry-pi-zero/
See Also
