AMD Radeon Sky 900 's Advantages
Larger VRAM bandwidth (240.0GB/s vs 192.1GB/s)
384 additional rendering cores
NVIDIA GeForce GTX 1660 's Advantages
Released 6 years late
Boost Clock has increased by 88% (1785MHz vs 950MHz)
More VRAM (6GB vs 3GB)
Lower TDP (120W vs 300W)