Comparison of AMD Radeon HD 6290 video card vs AMD Radeon HD 8280 video card by specifications and benchmarks. AMD Radeon HD 6290 runs at 0.280 GHz base clock speed and has 1 GB of memory, while video card AMD Radeon HD 8280 runs at 0.450 GHz base clock speed and has 2 GB of memory. The TDP of the first video card is --, and the second is --. Compare the table of benchmark results to find out which graphic card is better.