Qualcomm Snapdragon 435 Advantages
Lower TDP (4W vs 9W)
Qualcomm Snapdragon 835 Advantages
Better graphics card performance FLOPS (0.5675 TFLOPS vs 0.0432 TFLOPS )
Larger memory bandwidth (29.8GB/s vs 6.4GB/s)
Higher Frequency (2450MHz vs 1400MHz)
More modern manufacturing process (10nm vs 28nm)
Released 9 months late