AMD Radeon R9 280 's Advantages
Released 1 years and 2 months late
Boost Clock933MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 10.67GB/s)
1632 additional rendering cores
AMD Radeon HD 8450 OEM 's Advantages
Lower TDP (18W vs 200W)