NVIDIA GeForce GTX 780 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.4GB/s vs 16.80GB/s)
1920 additional rendering cores
NVIDIA GeForce GT 1030 DDR4 's Advantages
Released 4 years and 10 months late
Boost Clock has increased by 53% (1379MHz vs 902MHz)
Lower TDP (20W vs 250W)