ATI Radeon HD 2600 PRO AGP 's Advantages
Lower TDP (35W vs 150W)
AMD Radeon R9 270 's Advantages
Released 6 years and 5 months late
Boost Clock925MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (179.2GB/s vs 12.67GB/s)
1160 additional rendering cores