AMD Radeon HD 8990 OEM 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 192.3GB/s)
896 additional rendering cores
NVIDIA GeForce GTX 760 X2 's Advantages
Released 7 months late
Boost Clock has increased by 7% (1072MHz vs 1000MHz)
Lower TDP (250W vs 375W)