NVIDIA GeForce GT 650M 's Advantages
Lower TDP (45W vs 148W)
NVIDIA GeForce GTX 980MX 's Advantages
Released 4 years and 3 months late
Boost Clock has increased by 24% (1178MHz vs 950MHz)
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (192.0GB/s vs 28.80GB/s)
1280 additional rendering cores