We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 780 Rev. 2 's Advantages
Larger VRAM bandwidth (288.4GB/s vs 288.0GB/s)
256 additional rendering cores
Lower TDP (250W vs 375W)
AMD Radeon HD 7990 's Advantages
Boost Clock has increased by 11% (1000MHz vs 902MHz)
