Comparison of Sapphire Pulse Radeon RX 5500 XT SF 8G video card vs MANLI GeForce GTX 1660Ti Gallardo (M2436+N537-00) video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5500 XT SF 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card MANLI GeForce GTX 1660Ti Gallardo (M2436+N537-00) runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 135 W+ 4 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.