Qualcomm Snapdragon 801 Advantages
Better graphics card performance FLOPS (0.148 TFLOPS vs 0.0288 TFLOPS )
Larger memory bandwidth (14.9GB/s vs 6.4GB/s)
Higher Frequency (2500MHz vs 2000MHz)
Qualcomm Snapdragon 429 Advantages
More modern manufacturing process (12nm vs 28nm)
Released 4 years and 4 months late