NVIDIA GeForce GTX 780M 's Advantages
Released 2 years and 4 months late
Boost Clock797MHz
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)
1056 additional rendering cores
AMD Radeon HD 6630M 's Advantages
Lower TDP (26W vs 122W)