NVIDIA GeForce GTX 980M 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (160.4GB/s vs 160.0GB/s)
640 additional rendering cores
NVIDIA T600 Max-Q 's Advantages
Released 6 years and 6 months late
Boost Clock has increased by 24% (1395MHz vs 1127MHz)