NVIDIA GeForce GTX 670 's Advantages
Released 3 years and 9 months late
Boost Clock980MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 6.336GB/s)
1304 additional rendering cores
ATI Radeon HD 3550 's Advantages
Lower TDP (30W vs 170W)