Comparison of MSI Radeon 550 2GT LP OC video card vs ASRock Phantom Gaming Radeon RX 550 2G video card by specs and benchmarks. MSI Radeon 550 2GT LP OC runs at 1.100 GHz base clock speed and has 2 GB of GDDR5 memory, while video card ASRock Phantom Gaming Radeon RX 550 2G runs at 1.100 GHz base clock speed and has 2 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 50 W, and the second is 50 W . Compare the benchmark results to find out which video card is better.