Yes You can run without an attached graphics card, of course depending that the motherboard has support for internal graphics APU and have some display ports available.
Does Ryzen need GPU?
Ryzen 7s do NOT have built in video of any kind. Discreet GPU is required.
Can I run Ryzen 2600 without GPU?
AMD do make CPUs with integrated graphics, but for an equivalent one you need a Ryzen 5 2400G or 2400GE, which includes a Vega 11 GPU inside. No, it doesn’t have an integrated GPU, there would be no GPU in the system and thus no way to get video even if the motherboard has hdmi/do.
Does AMD Ryzen need GPU?
The new Ryzen 5 2400G and Ryzen 3 2200G processors are no different: fully unlocked CPU, GPU, memory, and voltage.
Can you run a computer without a GPU?
The computer works perfectly fine without a graphics card. You can even perform all task fine as long as you know what you are doing… A graphics card is not needed if you would not like to see what you are doing… And by graphics card in this answer I do include any graphics (GPU) included in the CPU chip it self.