AMD Radeon R9 255 OEM 's Advantages
Lower TDP (65W vs 330W)
AMD Radeon RX 6900 XTX 's Advantages
Boost Clock has increased by 162% (2435MHz vs 930MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (576.0GB/s vs 73.60GB/s)
4608 additional rendering cores