We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 770M and 2GB VRAM Radeon HD 8690M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 770M 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (96.19GB/s vs 32.00GB/s)
640 additional rendering cores
AMD Radeon HD 8690M 's Advantages
Boost Clock has increased by 22% (975MHz vs 797MHz)