AMD Radeon R9 270 's Advantages
Released 2 years and 6 months late
Boost Clock925MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 64.00GB/s)
1136 additional rendering cores
NVIDIA GeForce GT 545 OEM 's Advantages
Lower TDP (105W vs 150W)