We only have the FX-8150. Unfortunately, with Turbo Core (and Turbo Boost for Intel CPUs), it's impossible to replicate a CPU's performance by tinkering with another CPU of the same family, as they will boost to different frequencies in an unpredictable way. For example, the FX-4100 has the same TDP as the FX-8150 but is roughly half the CPU, so you'd expect it to boost to its maximum frequency for more time than the FX-8150 can. The FX-4100 also has a lower maximum boost frequency than the FX-8150 though, so it's impossible to say exactly how an FX-4100 performs unless you get one and test it. Anything else is guesswork and estimates. We're agreed with the various other posters that have stated an interest in the other launch models of the FX series - it will be interesting to see how they stack up in a price-performance way.