AMD Radeon E8860 's Advantages
Lower TDP (37W vs 75W)
AMD Radeon E9390 PCIe 's Advantages
Released 5 years and 9 months late
Boost Clock has increased by 74% (1089MHz vs 625MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)
1152 additional rendering cores