NVIDIA GeForce GTX 780M Mac Edition 's Advantages
Released 5 years late
Boost Clock797MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 51.20GB/s)
1472 additional rendering cores
NVIDIA GeForce 9800M GS 's Advantages
Lower TDP (60W vs 122W)