Comparison of SAPPHIRE PULSE Radeon RX 7900 XTX video card vs SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB video card by specifications and benchmarks. SAPPHIRE PULSE Radeon RX 7900 XTX runs at 1.900 GHz base clock speed and has 24 GB of GDDR6 memory, while video card SAPPHIRE NITRO+ Radeon RX 7900 XT Vapor-X 20GB runs at 1.500 GHz base clock speed and has 20 GB of GDDR6 memory. The TDP of the first video card is 370 W+ 4 %, and the second is 368 W+ 23 %. Compare the table of benchmark results to find out which graphic card is better.