ryzen 5 5600x and rtx 4060ti

Does the Ryzen 5 5600X fit and work with a Gigabyte B450M DS3H V2? The bios has been updated to the newest possible update. Right now I have a Ryzen 5 3400G and an RTX 4060 Ti. I heard that the PCIe 3.0 is not really the problem with the bottleneck, but it's rather the processor. Would the...