ATI Radeon HD 5550 's Advantages
Lower TDP (39W vs 250W)
NVIDIA GeForce GTX 780 6 GB 's Advantages
Released 3 years and 7 months late
Boost Clock902MHz
More VRAM (6GB vs 512GB)
Larger VRAM bandwidth (288.4GB/s vs 51.20GB/s)
1984 additional rendering cores