Samsung Exynos 9611 Advantages
Better graphics card performance FLOPS (0.0918 TFLOPS vs 0.0493 TFLOPS )
Higher Frequency (2300MHz vs 1800MHz)
More modern manufacturing process (10nm vs 14nm)
Released 7 months late
Samsung Exynos 7904 Advantages
Lower TDP (5W vs 8W)