Note that the FX series (at least, some of them) use a shared FPU

Having said that, I have an FX-8350 system that does fairly well with 6
receivers operating at 2.56Msps, doing correlation interferometry
(computing 15 visibility functions in parallel for the 6 receivers). 

On 2016-09-22 11:55, Henry Barton wrote:

> I would go for more real cores. Back when I was doing CGI, I thought the  
> Pentium 4 with HT would be a good idea, but it wasn't. On that CPU, the  
> logical Intel cores only do integer operations; floating-point can only be  
> done on real cores. It's probably the same on the modern chips, otherwise  
> they'd just say 4 real cores. So even though I normally favor Intel PC's,  
> if these 2 are your only choices then I would suggest the AMD.
> On Thu, 22 Sep 2016 10:20:50 -0400, Fernando Peral  
> <> wrote:
>> I'm buying a new computer and two possible options will be intel
>> i3-6100   and AMD FX-4300.
>> Performance using GNU-Radio may be the key to the selection of one or
>> the other.
>> I guess the more cores the CPU, the better the performance.
>> FX-4300 is 4 cores,  i3-6100 is only two cores but they say both of them
>> runs 4 threads.
>> I should think that a real core (AMD) will work faster than a "logic"
>> one (intel), but reading benchmarks it seems that i3-6100 beats FX-4300
>> .....  but  what with GNU-Radio?
>> Anyone has test both?
>> regards
>> _______________________________________________
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