NVIDIA GeForce GTX 980 's Advantages
Released 7 years and 8 months late
Boost Clock1216MHz
More VRAM (4GB vs 256GB)
Larger VRAM bandwidth (224.4GB/s vs 4.256GB/s)
2048 additional rendering cores
ATI Radeon X1550 PCI 's Advantages
Lower TDP (27W vs 165W)