NVIDIA GeForce GTX 970M 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (120.3GB/s vs 56.06GB/s)
896 additional rendering cores
NVIDIA GeForce MX330 's Advantages
Released 5 years and 4 months late
Boost Clock has increased by 54% (1594MHz vs 1038MHz)