We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 2GB VRAM GeForce GT 745A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8970M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)
896 additional rendering cores
NVIDIA GeForce GT 745A 's Advantages
Boost Clock has increased by 2% (915MHz vs 900MHz)