We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290 and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 290 's Advantages
More VRAM (4GB vs 3GB)
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages