AMD Radeon HD 6390 's Advantages
Lower TDP (39W vs 250W)
AMD Radeon RX 6750 XT 's Advantages
Released 10 years and 8 months late
Boost Clock2600MHz
More VRAM (12GB vs 1024GB)
Larger VRAM bandwidth (432.0GB/s vs 16.00GB/s)
2240 additional rendering cores