NVIDIA GeForce GT 555M 's Advantages
Lower TDP (35W vs 122W)
NVIDIA GeForce GTX 780M 's Advantages
Released 1 years and 2 months late
Boost Clock797MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
1392 additional rendering cores