The source claims that the 10nm FInFET has Kryo 200 cores, which would be a big improvement on the Kryo 100 cores. The new 10nm will bring the power down and decrease the size of transistors. It Is not certain how many cores Qualcomm plans to use. Snapdragon 830 is being internally branded as MSM 8998 and the new SoC should come with the Adreno 540 which is an improved GPU. We have high hopes from the Adreno 540 but we are lacking necessary details to make a better prediction.
The new 10nm FinFET Snapdragon has a X16, a 1Gbit per second capable modem with 4x20MHz and 150 Mbps uploaded. Qualcomm is leading the game when it comes to LTE performance but it needs to wait for telecoms to catch up.
The Snapdragon 830 should support 4 xLPDDR 4X, which is a new and improved memory model, 4Kx2K at 60 FPS resolution and SMB1351 better known as Qualcomm quick charge.
Snapdragon 828 is a runner up, it will have a 10nm FinFet chip with Adreno 519, Qualcomm X12 modem that manages a 600 Mbps / 150 Mbit upload while the rest of the spec looks great. Since the Snapdragon 830 is a clear replacement for Snapdragon 820, the 828 is likely to be a replacement for the Snapdragon 808 or even the Snapdragon 810 lower spec gear.
The Snapdragon 823 the MSM 8996 PRO is will launch with the Galaxy Note 6 at some point in Q3 2016 while the Snapdragon 830 and 828 will launch in Q4 2016 and appear inside devices probably in late Q1 (March 2016) or the first month of Q2 2016.