AMD Radeon 550X 640SP 's Advantages
Released 6 years and 11 months late
Boost Clock1071MHz
More VRAM (4GB vs 1GB)
304 additional rendering cores
Lower TDP (50W vs 150W)
NVIDIA GeForce GTX 560 's Advantages
Larger VRAM bandwidth (128.0GB/s vs 48.00GB/s)