FX 8120 increase single threaded performance

Uzair007 · Mar 19, 2013

I recently ran a benchmark of my cpu using passmark performance test 8.0. The test results were fine according to the FX performance but the single threaded performance was very low around 800. It was even less than the core 2 duo E8400 with a score of 1308. Such low performance is noticeable in light threaded applications. So is there any way to increase my single threaded performance?

PC specs:
AMD FX-8120
Gigabyte Technology Co., Ltd. GA-78LMT-S2P (Socket M2)
1024MB GeForce 210 (XFX Pine Group)
Microsoft Windows 8 Pro 64-bit
4.00 GB Dual-Channel DDR3 @ 669MHz (9-9-9-24)
Cooler Master extreme power plus 550W

ElMoIsEviL · Mar 19, 2013

You should be getting around 1,411. One thing I would suggest is to use faster memory. You're set at 667MHz (1,333MHz). Try 800MHz (1,600MHz) or higher.

I would also disable all "C States" (ex> C1E and AMD Cool and Quiet) in the BIOS.

Re-run the test.

dish_moose · Mar 19, 2013

Get a cpu cooler & OverClock it.
-Bruce

Pinhedd · Mar 19, 2013

Uzair007 :

The single threaded performance of AMD FX CPUs is known to be abysmal. There's no way around this aside from getting an Intel CPU.

Uther39 · Mar 19, 2013

Pinhedd :

What a rubbish statement,

Your problem my friend is your motherboard which is strangling your FX performance because of its power constraints you need a 900 series board to give that FX the juice it needs, im not even sure if that board you have actually officially supports the FX 8 core CPUs.

8350rocks · Mar 19, 2013

Uther39 :

Pinhedd :

What a rubbish statement,

Your problem my friend is your motherboard which is strangling your FX performance because of its power constraints you need a 900 series board to give that FX the juice it needs, im not even sure if that board you have actually officially supports the FX 8 core CPUs.

This, you need a 970+ series board, and taking a look at your RAM wouldn't be bad either...both of those are sound advice.

Pinhedd · Mar 19, 2013

Uther39 :

Pinhedd :

What a rubbish statement,

Your problem my friend is your motherboard which is strangling your FX performance because of its power constraints you need a 900 series board to give that FX the juice it needs, im not even sure if that board you have actually officially supports the FX 8 core CPUs.

There's nothing rubbish about it. The poor power efficiency and poor single threaded performance of AMD's FX series CPUs is well known and backed up by every major benchmark. It should be higher than 800, but it will not be anywhere near that of a modern Intel CPU.

Isaiah4110 · Mar 19, 2013

Uzair007 :

Gigabyte's website indicates that your CPU is definitely supported by your motherboard since BIOS revision F5a. They do, however, list it as a 95W CPU. Newegg specifies the TDP of the FX-8120 to be 125W, and your motherboard does show other CPUs at a 125W TDP being compatible. It is possible that it is just a misprint. I can't see how a different chipset motherboard would have such a drastic affect on the performance of a CPU that is currently supported by the older motherboard.

Elmoisevil sounds like he might be on the right track, so I would definitely give some faster RAM a try after verifying that you have the most current BIOS update installed. If you don't have the money for new RAM then you could try overclocking your processor, but anything beyond that is going to involve spending more than $40.

Uzair007 · Mar 19, 2013

ElMoIsEviL :

Disabled the "C States" and improved the score to 983. Any other way to further increase it?

noob2222 · Mar 19, 2013

Run cpu-z and make sure the clock speed is steady. That board will slow the cpu down if its trying to draw more than the vrm is capable.

ElMoIsEviL · Mar 20, 2013

Uzair007 :

What speed is your RAM rated for? Look on your RAM (memory).

bigj1985 · Apr 16, 2013

FX just has seriously bad single threaded performance. Every testing method ever used has proven w/o a doubt its IPC is worse than even a Phenom 2 which was worse than C2Q. Faster memory will help slightly but the only remedy is to overclock.

8350rocks · Apr 16, 2013

bigj1985 :

It's just less than intel. I suppose, by your same criteria, the statement intel is "seriously bad" at multitasking and highly parallel apps is true then also?? Seeing as AMD steadily wins in those arenas by the same or higher margin...

Cazalan · Apr 16, 2013

Improving your Passmark score won't improve the performance of your PC.

If you really want to you can disable the 2nd core of each module and gain a little IPC.

bigj1985 · Apr 17, 2013

8350rocks :

No. Because any 2nd or 3rd gen i7 matches/beats FX even when multitasking. Now if you're comparing using around the same price ranges then ya I agree

Uzair007 · Apr 17, 2013

Cazalan :

How to do that?

Cazalan · Apr 17, 2013

Uzair007 :

It would have to be done in the BIOS if it's supported. Not all do.

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