Don't know didn't really look them up but for 279 dollars I highly doubt its the best graphics card I am currently playing fallout london and it seems to be doing just fine if that gives you a reference.
If you didn't bother to look at your PC specs and purchased it for cheap, a much better metric would be just trying to play the games you like to play on their max settings and go from there.
Pc benchmarking is mostly for hobbyists looking to eke everything they can out of their hardware.