AMD Radeon 550X 640SP 's Advantages
Released 7 years and 1 months late
Boost Clock1071MHz
More VRAM (4GB vs 1024GB)
304 additional rendering cores
Lower TDP (50W vs 160W)
NVIDIA GeForce GTX 460 X2 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 48.00GB/s)