AMD Radeon R9 280 's Advantages
Released 2 years and 10 months late
Boost Clock933MHz
More VRAM (3GB vs 1536GB)
Larger VRAM bandwidth (240.0GB/s vs 38.40GB/s)
1648 additional rendering cores
NVIDIA GeForce GT 545 's Advantages
Lower TDP (70W vs 200W)