AMD Radeon RX 570 X2 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (268.8GB/s vs 80.19GB/s)
1536 additional rendering cores
NVIDIA GeForce GTX 750 GM206 's Advantages
Boost Clock has increased by 3% (1239MHz vs 1206MHz)
Lower TDP (60W vs 180W)