AMD Radeon R9 390 X2 's Advantages
Released 1 years and 10 months late
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (345.6GB/s vs 192.3GB/s)
1408 additional rendering cores
NVIDIA GeForce GTX 760 X2 's Advantages
Boost Clock1072MHz
Lower TDP (250W vs 580W)