ATI Radeon HD 3830 's Advantages
Lower TDP (75W vs 170W)
NVIDIA GeForce GTX 670 's Advantages
Released 4 years and 1 months late
Boost Clock980MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (192.3GB/s vs 26.50GB/s)
1024 additional rendering cores