Comparison of Sapphire NITRO+ RX 590 8GB AMD 50 Gold Edition video card vs Acer PREDATOR BIFROST Intel Arc A770 OC 16GB video card by specifications and benchmarks. Sapphire NITRO+ RX 590 8GB AMD 50 Gold Edition runs at 1.469 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Acer PREDATOR BIFROST Intel Arc A770 OC 16GB runs at 2.200 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 225 W. Compare the table of benchmark results to find out which graphic card is better.