NVIDIA GeForce GTX 765M 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (64.13GB/s vs 14.40GB/s)
384 additional rendering cores
NVIDIA GeForce 825M 's Advantages
Released 8 months late
Boost Clock has increased by 9% (941MHz vs 863MHz)
Lower TDP (33W vs 75W)