Unofficial 2020 AMD roadmap set it on Q4 2020 release.
All the current leaks for 2019 also proves Q4 release for Threadripper 3, so seems probable.
Top CPU will keep 64 cores/128 threads config, but price is expected to fall around 30% per generation.
In 2020 Lowest end Threadripper with 16 cores can enter $299 territory and 32 core part to be at $499-599.
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