The Rock Pi 4 comes in two variants, the base model of which has 1 GB of LPDDR4 RAM. All versions have a similar layout to the Raspberry Pi and feature a hexa-core Rockchip RK3399 processor along with a 40-pin GPIO among other connectors. The Rock Pi 4 ships worldwide.
https://www.notebookcheck.net/Rock-Pi-4-A-Rockchip-RK3399-powered-Raspberry-Pi-lookalike-that-starts-at-US-39.423123.0.html