Qualcomm Snapdragon 735 is an upcoming chipset rumored to be announced in December month later this year. The chipset may arrive with an octa-core CPU. Unlike its predecessor, it might be using the tri-cluster CPU divided into big Cortex-A76 at 2.36 GHz and another one at 2.32 GHz. There will be six Cortex-A55 cores clocked @1.86GHz based on Kryo custom architecture. As far as GPU is concerned, it will have Adreno 620 GPU to handle the graphics-intensive tasks.
We can expect all the necessary connectivity options to be built-in. The chipset may have a separate 5G variant with dual-mode 5G, that can work together with both SA (Standalone mode) and the NSA (non-standalone) networking modes. Needless to say, these are speculated information based on rumored leaks. Nothing is official yet!