NVIDIA is bringing its Turing architecture to its GeForce MX series, an example of which has now appeared on 3DMark. Sporting a 540 MHz base clock and 2 GB of GDDR6 VRAM, the possible GeForce MX450 is based on the TU117 GPU, the same found in the GTX 1650 and GTX 1650 Max-Q.
https://www.notebookcheck.net/Possible-NVIDIA-GeForce-MX450-spotted-with-TU117-GPU-540-MHz-base-clock-and-2-GB-of-GDDR6-VRAM-on-3DMark.460886.0.html