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AMD FX-8320E AM3+ Processor Performance Review

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AIDA64 Engineer Benchmarks

AIDA64 is FinalWire’s full 64-bit benchmark and test suite utilizing MMX, 3DNow! and SSE instruction set extensions, and will scale up to 32 processor cores. An enhanced 64-bit System Stability Test module is also available to stress the whole system to its limits. For legacy processors all benchmarks and the System Stability Test are available in 32-bit versions as well.

All of the benchmarks used in this test- Queen, Photoworxx, ZLib, and hash- rely on basic x86 instructions, and consume very little system memory while also being aware of Hyper-Threading, multi-processors, and multi-core processors. Of all the tests in this review, AIDA64 is the one that best isolates the processor’s performance from the rest of the system. While this is useful in that it more directly compares processor performance, readers should remember that virtually no “real world” programs will mirror these results.

aida64

The Queen test loves multiple cores and clock speed, so we see a nice scaling as we crank up the gigaHertz wit the FX-8320E. Note that at its highest overclock, the 8320E actually outperforms the FX-9590, a situation we’ll see repeatedly in these benchmarks (I’ll go into the reasons why in the Overclocking section). The two-core Intel i3-4360 comes in last, but even so it’s very close to the performance of the stock-clocked 8-core 8320E.

The Photoworxx test lives and dies by memory bandwidth, and doesn’t seem to care about too much else. This is why the score drops for the OC Genie run, since that overclocking setting disables the memory’s XMP profile. Interestingly the Intel CPU really pulls ahead here.

aida64_zlib_hash

With the ZLIB and Hash benchmarks we again see scaling with clock speed with the FX CPUs. The FX-9590 is the winner here, while the Intel CPU isn’t really even in the running, posting scores just over half those of the stock-clocked 8320E.

Let’s see how this CPU does in the (somewhat) more real-world environment of PCMark 8 in the next section.


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9 comments

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  1. Roland

    Gaming performance is changing… I picked up a G3258, Great little CPU with performance greater than say the i5 750(ish) overall. So nothing to sneeze at and if you overclock can easily surpass stock i5s. Problem?

    Well, a few of the newest games can’t be run on it (think Dragon Age Inquisition) as they require 4 cores. So what are we left with? On the cheaper side this or say the 860K. Suddenly those cheaper AMD Quads are looking a whole helluva lot more attractive and as you said your not likely to see to much difference. Fast is still fast just not as fast as some. I’ve always maintained though that for “most” your not going to notice much of a difference is most tasks provided other areas are relatively equal.

    1. David Ramsey

      I’ve never heard of a game that requires four cores; generally, a program just spawns threads and lets the OS and CPU sort out which resources will handle them. Windows has dozens of threads running when you’ve just booted and are sitting there (actually, I just checked, and Task Manager says I have 65 processes going in this case). Most of these threads are low priority, and it could certainly be the case that some modern games would run better with four cores, but they should run, if poorly, with dual cores or even a single core.

      So, as you point out, AMD’s lower cost multi-core chips may well be better for some of these games than a “faster” Intel CPU.

      1. Roland

        Hi David, So sorry for the late reply. I never heard of it either till recently.. Kind of floored me actually since I’ve built a few budget machines for others that will certainly complain if they land up buying that game (one other to.. can’t remember it’s name) Basically what happens is both cores go to 100% and just sit there not allowing you to play.

  2. Athlonite

    I would have been more impressed if AMD had die shrunk this CPU to 22nm instead of just reducing the clock speed thus the TDP from 125 to 95 well big whoop AMD as soon as you clock it the same as an FX8320 (3500MHz) it’s using the same 125W

    1. David Ramsey

      Well, it’s up to GlobalFoundries to get their process size down. It’s a non-trivial thing, you know, which is probably why I don’t know of any company other than Intel that’s managed it.

      I agree the “E” thing seems kinda silly.

  3. Meh

    It took 8 cores to do it but they finally beat an i5 whether that’s good or bad I don’t really know, but hey still cheaper than an Intel processor I’m not complaining I bought one as well.

  4. CrabbyR

    Hi, I picked up an interesting but odd 8320E , purchased it for 132 CAD , came sealed in an amd box with fan which is a pretty good price, Everywhere I look on websites
    the base clock is listed as 3.2 ghz , the unit I have is a base clock of 3.5 , I even looked at the chip again to make sure that the E was present on the processor , which it was ,cpu z reports it as 8320 E, So at stock settings it`s 3.5 and 4.0 turbo , I have a ASrock
    970 extreme 3 board so out of curiousity I set the multiplier down to 3.2 and , it didn`t want to go there, still reported 3.5,
    Guess I could force it down , so this begs the question , Is it a 8320 misbranded and 125watts or a flukey 8320e thats running 95 watts at 3.5 . I haven`t seen anything on the web from anyone else about this, Any thoughs or info?

    1. David Ramsey

      That is an excellent question. My first suggestion would be to make sure you’re running the latest BIOS for your ASRock motherboard– the 8320E came out after most 970 motherboards. So update your BIOS if needed and see if that fixes things.

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