NVIDIA GeForce GTX 780M 's Advantages
Released 2 years and 4 months late
Boost Clock797MHz
More VRAM (4GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
1440 additional rendering cores
NVIDIA GeForce GT 540M 's Advantages
Lower TDP (35W vs 122W)