AMD Radeon HD 7990 's Advantages
Released 3 years and 5 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 54.40GB/s)
1952 additional rendering cores
NVIDIA GeForce GT 240 's Advantages
Lower TDP (69W vs 375W)