Modder builds 8,192-core GPU at home out of RISC-V microcontrollers — full "graphics card" draws over 2,000 watts of power, requires a 3D printer to program by editors@tomshardware.com (Bruno Ferreira) from Latest from Tom's Hardware on 2026-07-07 10:20 (#76TE3) Well-known engineer Matthias Balwierz (aka Bitluni) designed and created an 8,192-core RISC-V GPU at home.