This is because the Adreno ~830 excels at mobile benchmarks and falls significantly behind in “desktop” oriented benchmarks. You can see this borne out in all

This is because the Adreno ~830 excels at mobile benchmarks and falls significantly behind in “desktop” oriented benchmarks. You can see this borne out in all the Snapdragon X GPU benches where they share the same GPU architectures respectively. Apple have the better GPU for more modern and demanding workloads. Qualcomm have the better GPU for more dated but still highly relevant mobile gaming needs.