AMD Radeon HD 8970M 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)
896 additional rendering cores
NVIDIA GeForce 930MX 's Advantages
Released 2 years and 10 months late
Boost Clock has increased by 13% (1020MHz vs 900MHz)
Lower TDP (17W vs 100W)