ATI Radeon HD 4450 's Advantages
Lower TDP (25W vs 50W)
AMD Radeon RX 550 512SP 's Advantages
Released 5 years and 11 months late
Boost Clock1071MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)
432 additional rendering cores