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My new AMD FX-6300 (3.5GHz x 6) is slower in games than my Phenom II X6 1045t (2.7GHz x 6)

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  • Performance
  • AMD
  • CPUs
  • Gaming
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November 2, 2013 1:55:50 PM

So, essentially, I bought a new FX-6300 Processor to replace my Phenom II X6 1045t. I assumed that since my new processor offers an extra 800MHz per core over my previous processor, my performance all over the system would be considerably better than that with the Phenom. However, I've noticed that since I got this new processor, my performance in games has been much less than optimal. An example of this is in the DICE game Mirror's Edge. Along with my EVGA GTX 660, my Phenom was able to run ME at Maximum settings at 1080p with 16x anti-aliasing at >60fps. Now I'm lucky to get 40 in the same game with my new processor. I don't have much experience with swapping processors, managing new drivers, etc. so any help from anybody would be greatly appreciated, because I'm completely confounded by this and I need all the help possible. Thanks.

More about : amd 6300 5ghz slower games phenom 1045t 7ghz

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November 2, 2013 1:59:40 PM

Not sure what your problem could be. I'm running a setup with an FX-6300 with a Radeon HD 7870 GHz. I was able to complete Mirror's Edge on 1080p ultra with no issues at all.
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November 2, 2013 2:02:24 PM

Did you clean off and apply new thermal paste?
What kind of temps are you getting?
Did you remove the old drivers before getting the new ones?
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November 25, 2013 6:21:12 PM

phenom is still a great gaming CPU for the price... i think at last an X6 is paired with 6300...

but make sure about your drivers... even could be a good idea to reinstall your OS
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November 25, 2013 6:51:38 PM

make sure all cores are enabled in the bios, ive seen some times with a processor swap that it messes with that
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November 25, 2013 7:14:47 PM

hi lazyboy... i'm about to "upgrade mi sistem"... i could buy an FX6300 right now or an FX8320 in 2 mounths... so i found a phenom II 1055T and this guy is selling at a great price

with my money i can buy the phenom plus a hyper 212+... with this cooler how much OC i could get?? does it bottleneck your GPU??
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November 25, 2013 10:07:11 PM

davy rockstar said:
hi lazyboy... i'm about to "upgrade mi sistem"... i could buy an FX6300 right now or an FX8320 in 2 mounths... so i found a phenom II 1055T and this guy is selling at a great price

with my money i can buy the phenom plus a hyper 212+... with this cooler how much OC i could get?? does it bottleneck your GPU??


If you're near a microcenter they have the 8320 for $100

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November 26, 2013 1:01:01 AM

Seems that swapping processors yourself without knowing what you are doing was not that good an idea. As a matter of fact ,your new CPU is faster than your old one, so something is messed up. Drivers are unlikely if the CPU was all you replaced. More likely is that the new CPU is throttling itself down for reasons of overheating because you did not re-install the heat sink properly. My money is on that cause.

That being said, AMD CPUs are no longer a good choice for gaming. Intel has outclassed AMD so heavily during the past few years that even the best AMD CPUs are only on the performance level of lower-class Intel budget processors. I know you cannot go Intel without replacing your mainboard, but I believe it is better to invest more money well than to fork out less money on a solution that is not satisfactory.

And no, the # of cores means pretty much nothing, because hardly any game is capable of making use of more than four cores. Hell, most games cannot even utilize four cores, so for games, the performance per core counts, not the # of cores. Most games will run faster on a dual-core Intel Core i5-4xxx than on a 6-core AMD chip.
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November 26, 2013 5:06:54 AM

My overclocked 1055t performs slightly better than a stock 6300, as my friend has the 6300, so performance should be better from any stock phenom II x6 at least all below the 1090t. My overclocked x6 has no bottleneck on my 7970 benchmarks for bf3&4, crysis 3, and bioshock infintie basically match the average fps for 1080p give or take a few frames.

Unless u can get the 1055t for under $75 not worth it lol as the 6300 is around $100 if u get a sale and promo

Every chip is different and most x6s got 4ghz barely and max was usually 4.2-4.4 if ur lucky, for mine which is locked max for clock freq to voltage is about 3.7, and my friends old 1090t barely got past 3.6ghz but im sure he just did it wrong lol. Some hit 4ghz no prob and some couldnt at all and the black edition OC farther as the ease it is to OC so more settings to tweak to make it stable but the non BE can still go quite far.

Id go with at least the 212 evo as even though there isnt much difference it is slightly better, u might as well spend more now on a cooler for the next cpus not that a 212+/evo wouldnt cool but the 8350/8320s can OC quite far and produce alot of heat so a good cooler now would be best, Id recommend either my cooler the zalman cnps 9900max, phantek tc12dx, or xigmatek dark knight II
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November 26, 2013 6:15:01 AM

DeathAndPain said:
Hell, most games cannot even utilize four cores, so for games, the performance per core counts, not the # of cores. Most games will run faster on a dual-core Intel Core i5-4xxx than on a 6-core AMD chip.


i5 is quad core. I think you mean the haswell Pentiums, which are so good for games that use one or two cores.
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November 26, 2013 7:02:36 AM

Nope, there are also dual-core Core i5-Haswells. For example, the Core i5-4570T.
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November 26, 2013 3:49:01 PM

As far as I see, seems a good option to play games that relies on one or two cores and also boost your everyday job with the hyperthreading and clock boost without so much power consumption.
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November 26, 2013 4:45:02 PM

Running Win7?
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November 26, 2013 4:53:58 PM

DeathAndPain said:
Seems that swapping processors yourself without knowing what you are doing was not that good an idea. As a matter of fact ,your new CPU is faster than your old one, so something is messed up. Drivers are unlikely if the CPU was all you replaced. More likely is that the new CPU is throttling itself down for reasons of overheating because you did not re-install the heat sink properly. My money is on that cause.

That being said, AMD CPUs are no longer a good choice for gaming. Intel has outclassed AMD so heavily during the past few years that even the best AMD CPUs are only on the performance level of lower-class Intel budget processors. I know you cannot go Intel without replacing your mainboard, but I believe it is better to invest more money well than to fork out less money on a solution that is not satisfactory.

And no, the # of cores means pretty much nothing, because hardly any game is capable of making use of more than four cores. Hell, most games cannot even utilize four cores, so for games, the performance per core counts, not the # of cores. Most games will run faster on a dual-core Intel Core i5-4xxx than on a 6-core AMD chip.


AMD is still a great choice for gaming. FX 8320/8350 matches and sometimes beats i5's. FX 6350 beats i3's, and with a nice overclock, can match at least sandy bridge locked i5's as it falls just short of an i5 3570k at stock. For a budget rig, FX 6300/8320 is the better way to go, since you then have more money to spend on a better GPU. I also suspect that the OP didn't install heatsink correctly or it is possible the motherboard needs a CMOS reset.
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November 26, 2013 5:03:54 PM

I had a 960T Phenom II before my 6300. If you know your phemoms you know the 960T was essentially a 1090T but locked to 4 cores. I unlocked mine to an X6 and clocked to 3.8. It was a beast of a chip but I do see a noticeable difference in FPS and bench scores with my 6300 @ 4.5. I have to agree with all the other guys and say either your bios is mucked, windows core parking/allocation is set incorrectly or your heatsink/thermal paste is set incorrectly because your results do not seem appropriate.
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November 26, 2013 5:06:44 PM

There was a patch for Windows 7 to fix the problems with the FX processors. I am not sure if this is the case or it was only for the bulldozer ones.
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November 26, 2013 5:13:15 PM

PandaBear270 said:
There was a patch for Windows 7 to fix the problems with the FX processors. I am not sure if this is the case or it was only for the bulldozer ones.


It was only for bulldozer and honestly it didn't really do much. The issues were related to core parking/allocation in windows and on chip resource allocation. These issues have been completely resolved/improved in piledriver. The patches are completely un necessary at this point.
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November 26, 2013 6:26:43 PM

eternalruthless said:
davy rockstar said:
hi lazyboy... i'm about to "upgrade mi sistem"... i could buy an FX6300 right now or an FX8320 in 2 mounths... so i found a phenom II 1055T and this guy is selling at a great price

with my money i can buy the phenom plus a hyper 212+... with this cooler how much OC i could get?? does it bottleneck your GPU??


If you're near a microcenter they have the 8320 for $100



i'm not in USA ):

but thanks
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June 19, 2014 10:51:47 PM

go to your amd control panel.. you can see graphics over drive option..click and increase memory clock speed and graphic speed... now you can play games well ;-) any doubt pls contact my mail id is sathish8005@gmail.com
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June 19, 2014 10:56:26 PM

Yeah some issue going on the 6300 should be smoking that Phenom...
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June 20, 2014 6:14:11 AM

:p 
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June 20, 2014 10:11:34 AM

Satsin said:
go to your amd control panel.. you can see graphics over drive option..click and increase memory clock speed and graphic speed... now you can play games well ;-) any doubt pls contact my mail id is sathish8005@gmail.com


How did you even find this thread? This thing is almost a full year old.
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June 20, 2014 11:27:13 AM

I wonder what the problem ended up being.....the OP never wrote anybody back at all >_>
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