NVIDIA GeForce GTX 770M 's Advantages
Released 2 years and 6 months late
Boost Clock797MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (96.19GB/s vs 28.80GB/s)
560 additional rendering cores
AMD Radeon HD 6550M 's Advantages
Lower TDP (26W vs 75W)