AMD Radeon E8950 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (192.0GB/s vs 48.00GB/s)
1408 additional rendering cores
AMD Radeon RX 550X Mobile 's Advantages
Released 2 years and 7 months late
Boost Clock has increased by 18% (1176MHz vs 1000MHz)
Lower TDP (50W vs 95W)