Shenzhen Xunlong has posted preliminary specs for a Rockchip RK3399 based “Orange Pi 4” SBC that is smaller and more affordable than the Orange Pi RK3399 and faster and more feature rich than the Orange Pi 3. A 4B variant adds a Lightspeeur 2801S AI chip.

Source: LXer – Orange Pi 4 has an RK3399 and an optional NPU