NVIDIA GeForce GTX 780M 's Advantages
Released 10 months late
Boost Clock797MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
1056 additional rendering cores
AMD Radeon HD 7670M Rebrand 's Advantages
Lower TDP (20W vs 122W)