Qualcomm Snapdragon 460 Advantages
Lower TDP (3W vs 9W)
Released 1 years and 5 months late
Qualcomm Snapdragon 670 Advantages
Better graphics card performance FLOPS (0.3584 TFLOPS vs 0.1536 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 13.91GB/s)
Higher Frequency (2000MHz vs 1800MHz)
More modern manufacturing process (10nm vs 11nm)