Samsung Exynos 980 Advantages
Better graphics card performance FLOPS (0.2621 TFLOPS vs 0.0493 TFLOPS )
Larger memory bandwidth (34.1GB/s vs 7.8GB/s)
Higher Frequency (2200MHz vs 1560MHz)
More modern manufacturing process (8nm vs 14nm)
Samsung Exynos 7884B Advantages
Lower TDP (5W vs 9W)