AMD Radeon R9 280 's Advantages
Lower TDP (200W vs 225W)
Intel Arc A750 's Advantages
Released 8 years and 7 months late
Boost Clock has increased by 157% (2400MHz vs 933MHz)
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (512.0GB/s vs 240.0GB/s)
1792 additional rendering cores