BLD's recommendation engine analyzes more than 10 million hours (and counting!) of actual game performance to make its recommendations. This data is provided by CAM users who share their gameplay information with us. We use this data to develop systems where we can guarantee the game's performance in frames-per-second (FPS).
We have limited data on AMD's new Ryzen CPUs and Vega GPUs. We are working to capture more data on how well AMD products perform. Until we have enough data, the BLD engine simply can't make a recommendation with guaranteed FPS performance.
While we made a conscious decision to use NVIDIA GPUs and Intel CPUs initially, to simplify the configurator and be able to provide the best possible FPS guarantee, we’re open to adding AMD parts. If you happen to be an AMD Ryzen and/or Vega user, we encourage you to download and use CAM, our free control-and-monitoring software. If you use it while playing your favorite games, you'll be helping us gather more real-world performance data for the BLD engine.