NVIDIA GeForce GTX 980 Mobile 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (224.4GB/s vs 192.0GB/s)
1152 additional rendering cores
NVIDIA T600 Mobile 's Advantages
Released 5 years and 7 months late
Boost Clock has increased by 24% (1410MHz vs 1140MHz)