NVIDIA GeForce GTX 980 Ti 's Advantages
More VRAM (6GB vs 4GB)
Larger VRAM bandwidth (336.6GB/s vs 96.00GB/s)
2304 additional rendering cores
NVIDIA GeForce GTX 1630 's Advantages
Released 7 years late
Boost Clock has increased by 66% (1785MHz vs 1076MHz)
Lower TDP (75W vs 250W)