ATI Mobility Radeon HD 5145 's Advantages
Lower TDP (15W vs 100W)
AMD Radeon RX 580X Mobile 's Advantages
Released 8 years and 3 months late
Boost Clock1077MHz
More VRAM (8GB vs 1GB)
Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)
2224 additional rendering cores