The Snapdragon 778G is better
Snapdragon 778G: Using TSMC 6nm process technology, HONOR 50 series is the world's first, CPU: Four 2.4Ghz A78 large core + four 1.8Ghz A55 small core, gpu using Adreno642L, support 192 million pixels, support lpddr5+ufs3.1, now this processor is a generation of God U, integrated Snapdragon x53 baseband.
The Kirin 820 adopts TSMC 7nm technology, the CPU part consists of 1 A76 large core (2.36Ghz) +3 A76 medium core (2.22Ghz) +4 A55 small core (1.84Ghz), and the GPU uses Mali . G57MP6, using the same Kirin 990 5G baseband, single-core 3500, multi-core 11200 points, the old version of geek