AMD Radeon HD 7950 Boost 's Advantages
Boost Clock925MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)
1632 additional rendering cores
AMD Radeon HD 8490 OEM 's Advantages
Released 1 years and 1 months late
Lower TDP (35W vs 200W)