Comparison of NVIDIA GeForce RTX 3090 video card vs EVGA GeForce RTX 3090 XC3 BLACK GAMING video card by specs and benchmarks. NVIDIA GeForce RTX 3090 runs at 1.400 GHz base clock speed and has 24 GB of GDDR6X memory, while video card EVGA GeForce RTX 3090 XC3 BLACK GAMING runs at 1.400 GHz base clock speed and has 24 GB of GDDR6X memory. The weight is different, vs --. The TDP of the first video card is 350 W, and the second is 350 W . Compare the benchmark results to find out which video card is better.