The Big Island GPGPU developed by Tianshu Zhixin is produced by TSMC on the 7 nm nodes with 2.5D CoWoS packaging. It integrates 24 billion transistors, is rated for 300 W TGP and the board includes 32 GB of HBM2 VRAM plus a single 8-pin connector. Its performance is comparable to AMD's Instinct MI100.
https://www.notebookcheck.net/Detailed-pictures-of-China-s-first-competitive-7-nm-compute-GPU-emerge-mass-production-starting-soon.530798.0.html