AMD Radeon R9 M290X 's Advantages
Lower TDP (100W vs 180W)
AMD Radeon RX 7800M 's Advantages
Released 10 years and 8 months late
Boost Clock has increased by 138% (2145MHz vs 900MHz)
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (432GB/s vs 153.6GB/s)
2560 additional rendering cores