Qualcomm released a development kit for the Snapdragon 835 showing us some silicon to expect. The chips we find are:

Samsung KLUDG8V1EE-B0C1 128GB UFS

Qualcomm PMI8998 PMIC

Samsung K3UH5H50MM-NGCJ 4 GB LPDDR4 mobile DRAM

Qualcomm WTR5975 gigabit LTE transceiver

Qualcomm WCN3990 2x2 802.11ac Wi-Fi with MU-MIMO companion

Qualcomm WCD9335 audio codec (likely similar to the WCD9311)

2x Qorvo QM48859 RF Fusion iFEM module