Below you'll find the specs for the PS5, with details copied verbatim from the PS5 launch press release:
PS5 Specs
CPU AMD Zen 2-based CPU, 8 Cores / 16 Threads, up to 3.5 GHz
GPU RDNA2-based GPU, 36 CUs up to 2.23 GHz, 10.3 teraflops.
RAM 16GB GDDR6, 448GBps
SSD 825GB Custom PCIe SSD
Expandable Storage PCIe SSD Slot, External HDD
Disc Drive Ultra HD Blu-ray, up to 100GB/disc
Audio Tempest 3D AudioTech