Samsung Exynos 7870 Advantages
More modern manufacturing process (14nm vs 28nm)
Lower TDP (3W vs 7W)
Released 1 years late
Qualcomm Snapdragon 652 Advantages
Better graphics card performance FLOPS (0.1536 TFLOPS vs 0.0224 TFLOPS )
Higher Frequency (1800MHz vs 1600MHz)