We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3850 X3 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
ATI Radeon HD 3850 X3 's Advantages
Lower TDP (145W vs 250W)
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages