The LS2K2000 CPU is nothing special and has two LA364 cores featuring the proprietary LoongArch microarchitecture with some basic I/O capabilities like a 64-bit DDR4-2400 memory interface, PCIe 3.0, SATA 3.0, USB, Ethernet, and audio. What makes it odd is the LG120 GPU core was independently developed by Loongson, further optimising the graphics algorithm and performance.
The LG120 GPU itself, it seems to be a basic unit, but it does appear to have been designed internally rather than relying on Arm and Imagination Technologies GPU IP. Meanwhile, Loongson has publicly said that it was adopting the RISC-V architecture for its next projects which might lead to some more advances in GPU tech.
Word on the street is that the company that wants to challenge AMD's Zen 3 on the CPU side of the business might well have GPU ambitions, too. It would have to start small on these things, but the fact that it is being considered could lead to some long term future worries for AMD and Nvidia.