Comparison of ASRock Radeon RX 6600 Challenger ITX video card vs GIGABYTE Radeon RX 6600 EAGLE 8G video card by specs and benchmarks. ASRock Radeon RX 6600 Challenger ITX runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GIGABYTE Radeon RX 6600 EAGLE 8G runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 132 W, and the second is 132 W . Compare the benchmark results to find out which video card is better.