No, you cannot directly run 120Hz from a motherboard. It requires a compatible display adapter or monitor.
No, you cannot directly run 120Hz from a motherboard. It requires a compatible display adapter or monitor.
You're looking to set up a PC for your dad's office work with a higher refresh rate monitor. It sounds like you're considering an APU instead of a dedicated GPU, using an Asrock B450M Pro4 board and a Ryzen 5 3400G processor. Regarding the HDMI limitations, the Asrock B450M Pro4 does list four outputs: D-Sub, DVI-D, HDMI 1.3, and HDMI 2.0. For HDMI 1.3 and newer, you should be able to run 1080p at 120Hz without issues. The cables needed would typically include an HDMI cable compatible with HDMI 1.3 or higher, depending on your monitor's port. Make sure the monitor supports that refresh rate for optimal performance.
Typically 2.0 works best with HDMI and provides a smooth experience most of the time.
I own a 6th Gen Intel NUC that functions as a server. Just a day ago I had to connect it to my monitor and it was delivering 1440p at 120hz via HDMI, actually setting that as the default. The NUC comes with a fairly limited Intel integrated graphics unit (the exact model isn’t clear). If it can manage this, there’s no reason why a newer AMD APU wouldn’t work better. It seems possibly related to my monitor’s behavior but it still manages 1440p at 144Hz over DP and only 1440p at 120Hz over HDMI from the same GPU. Even more oddly, the HDMI supports 2160p at 60Hz while the DP is capped at 1440p.
After reviewing the details, the specifications mention HDMI support for resolutions up to 4K and 1080p, but the exact version isn't clearly stated. It seems the system might handle both 24Hz and 120Hz refresh rates depending on the resolution, which could be due to Asrock's design choices.
I maintain both connections simultaneously, allowing me to change the display source and switch between 1440p at 144Hz and 2160p at 60Hz with a single press.
It remains consistent across all iterations, just updated to the latest version.