The AMD Ryzen 5 1400 is from the first generation processor of Zen architecture. It has a core family of Summit Ridge and comes with 3.2 GHz of base clock speed along with 3.4 GHz of turbo boost speed. The processor is unlocked for overclocking and comes with 8 MB of L3 memory.
And when we talked about the cores and threads, it comes with 4 Cores and 8 Threads which make this processor entry-level processor in the market which is enough for daily work - but not for high-end gaming.