AMD Radeon 550X 640SP 's Advantages
Released 4 years and 2 months late
More VRAM (4GB vs 1024GB)
128 additional rendering cores
Lower TDP (50W vs 55W)
NVIDIA GeForce GTX 750 's Advantages
Boost Clock has increased by 1% (1085MHz vs 1071MHz)
Larger VRAM bandwidth (80.19GB/s vs 48.00GB/s)