ATI Radeon HD 4730 's Advantages
Lower TDP (110W vs 130W)
NVIDIA GeForce GTX 660 OEM 's Advantages
Released 3 years and 2 months late
Boost Clock888MHz
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (134.4GB/s vs 57.60GB/s)
512 additional rendering cores