NVIDIA GeForce GTX 1070 Mobile 's Advantages
Boost Clock has increased by 40% (1645MHz vs 1176MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.3GB/s vs 48.00GB/s)
1408 additional rendering cores
AMD Radeon RX 550X Mobile 's Advantages
Released 1 years and 8 months late
Lower TDP (50W vs 120W)