AMD Radeon HD 7870 XT 's Advantages
Lower TDP (185W vs 355W)
AMD Radeon RX 7900 XTX 's Advantages
Released 10 years late
Boost Clock has increased by 156% (2498MHz vs 975MHz)
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (960.0GB/s vs 192.0GB/s)
4608 additional rendering cores