Comparison of Intel Arc A750 Graphics video card vs ASRock Intel Arc A770 Phantom Gaming D 8GB OC video card by specs and benchmarks. Intel Arc A750 Graphics runs at 2.050 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ASRock Intel Arc A770 Phantom Gaming D 8GB OC runs at 2.050 GHz base clock speed and has 8 GB of GDDR6 memory. The weight is different, -- vs 1146 g. The TDP of the first video card is 225 W, and the second is 225 W . Compare the benchmark results to find out which video card is better.