AMD Ryzen Threadripper 3990X is processor manufactured by AMD and launched in Q1 2020 . It's using sTRX4 socket. It has 64 cores and 128 threads with clock of 2.9 GHz that can turbo clock itself to 4.3 GHz . This processor is used in Desktop devices and can consume up to 280 watts of power .
AMD Radeon RX 6900 XT is graphic card manufactured by AMD and launched in Q4 2020 . It's using PCIe 4.0 x16 bus type. It has core clock of 1825 MHz and 16384 MB (16GB) of memory . It supports DirectX 12 and OpenGL 4.6 . This graphic card is used in Desktop devices and can consume up to 300 watts of power .
This configuration has 0.0% of bottleneck . Everything less than 5% should not be concerned major bottleneck.