Comparison of GIGABYTE Radeon RX 6900 XT Gaming OC 16G video card vs MANLI GeForce RTX 3080 Ti LHR (M3514+N612-01) video card by specifications and benchmarks. GIGABYTE Radeon RX 6900 XT Gaming OC 16G runs at 1.875 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card MANLI GeForce RTX 3080 Ti LHR (M3514+N612-01) runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 340 W+ 13 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.