ATI Radeon HD 2600 PRO AGP 's Advantages
Lower TDP (35W vs 75W)
NVIDIA GeForce GT 640 OEM Rebrand 's Advantages
Released 4 years and 10 months late
More VRAM (1536GB vs 512GB)
Larger VRAM bandwidth (38.40GB/s vs 12.67GB/s)
24 additional rendering cores