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Does the amd fx 8320/8350 get fps drops with a r9 280x?

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November 16, 2013 6:25:31 AM

It was suggested to me on another topic that I started to upgrade my CPU to the amd fx 8320 and overclock it. I am looking for a processor that is compatible with my motherboard and will not bottleneck/drop fps on my gpu.
Here's what I currently have:
FX 6300 -4.2ghz w/hyper 212 evo
MSI R9-280x -1120mhz core, memory untouched
8gb team 1333mhz ddr3 memory (8gbx2)
ASUS M5A97 R2.0
Toshiba 500gb 7200rpm hdd
SeaSonic S12II 520 Bronze 520W PSU
Cooler Master K280

Does anyone have the fx 8320 or 8350 with an r9 280x or 7970 ghz? How is the performance at 1920x1080? Any fps drops? I'm looking for a smooth 60fps experience at 1080p on high/ultra settings. I would really appreciate any info before I go out and buy a replacement for my cpu. Thanks!
November 16, 2013 6:33:53 AM

I have an FX8350 with a HD7970 ghz (Sapphire Vapor-X), with no OC on either one. The only thing I've pushed it with is Skyrim with high res texture packs and ENBs, and it stays a 55-60 frames (and Skyrim prefers Intel chips).
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November 16, 2013 6:42:21 AM

rad666 said:
I have an FX8350 with a HD7970 ghz (Sapphire Vapor-X), with no OC on either one. The only thing I've pushed it with is Skyrim with high res texture packs and ENBs, and it stays a 55-60 frames (and Skyrim prefers Intel chips).


Interesting, thanks for the reply. Isn't the amd fx 8350 essentially a factory overclocked version of the 8320? If so, I would probably opt for the 8320 and oc it myself to save a little. I'm getting massive drops in sleeping dogs while driving during the day. Have you had a chance to play that game? I also get some fps drops in BF4, farcry 3 and arkham origins. Also, what speed is your ram?
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November 16, 2013 6:56:31 AM

tensai27 said:
rad666 said:
I have an FX8350 with a HD7970 ghz (Sapphire Vapor-X), with no OC on either one. The only thing I've pushed it with is Skyrim with high res texture packs and ENBs, and it stays a 55-60 frames (and Skyrim prefers Intel chips).


Interesting, thanks for the reply. Isn't the amd fx 8350 essentially a factory overclocked version of the 8320? If so, I would probably opt for the 8320 and oc it myself to save a little. I'm getting massive drops in sleeping dogs while driving during the day. Have you had a chance to play that game? I also get some fps drops in BF4, farcry 3 and arkham origins. Also, what speed is your ram?


If you're comfortable with overclocking and looking to save a few dollars, the 8320 is the way to go.

I can't help you with the games, I don't play those.

I use 1600s (G-Skill Ripjaws X Series).
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November 16, 2013 7:37:19 AM

The 8320 is a lower stock clocked 8350 yes. You probably wouldn't see too much change from upgrading to it from a 6300 though.
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November 16, 2013 7:39:07 AM

Just get the 8350 , not worth skimping in this and day age... its a beast for the price smh
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November 16, 2013 7:43:55 AM

chromex said:
Just get the 8350 , not worth skimping in this and day age... its a beast for the price smh


The 8320 is cheaper and most can reach 8350 speeds with just a multiplier bump... why spend extra?
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November 16, 2013 7:59:33 AM

If there isn't much of a change then no sense going and spending all that money. I bought this amd fx 6300 cpu 4 months ago so if the 8320/8350 isn't going to give me an improvement, it seems foolish to buy it. What about ram? I'm running 1333mhz as seen here http://www.overclockers.co.uk/showproduct.php?prodid=MY...
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November 16, 2013 8:02:04 AM

tensai27 said:
If there isn't much of a change then no sense going and spending all that money. I bought this amd fx 6300 cpu 4 months ago so if the 8320/8350 isn't going to give me an improvement, it seems foolish to buy it so soon. What about ram? I'm running 1333mhz as seen here http://www.overclockers.co.uk/showproduct.php?prodid=MY...


RAM seems fine. Higher RAM speed doesn't make that much difference at the moment, not enough to warrant the amount of money you'd need to spend to get a new kit.
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November 16, 2013 8:15:09 AM

JOOK-D said:
tensai27 said:
If there isn't much of a change then no sense going and spending all that money. I bought this amd fx 6300 cpu 4 months ago so if the 8320/8350 isn't going to give me an improvement, it seems foolish to buy it so soon. What about ram? I'm running 1333mhz as seen here http://www.overclockers.co.uk/showproduct.php?prodid=MY...


RAM seems fine. Higher RAM speed doesn't make that much difference at the moment, not enough to warrant the amount of money you'd need to spend to get a new kit.

Yeah, I've seen the benchmarks. I noticed you have the 8320, do you experience fps drops in games?
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November 16, 2013 8:19:33 AM

tensai27 said:
JOOK-D said:
tensai27 said:
If there isn't much of a change then no sense going and spending all that money. I bought this amd fx 6300 cpu 4 months ago so if the 8320/8350 isn't going to give me an improvement, it seems foolish to buy it so soon. What about ram? I'm running 1333mhz as seen here http://www.overclockers.co.uk/showproduct.php?prodid=MY...


RAM seems fine. Higher RAM speed doesn't make that much difference at the moment, not enough to warrant the amount of money you'd need to spend to get a new kit.

Yeah, I've seen the benchmarks. I noticed you have the 8320, do you experience fps drops in games?


Depends on the situation. In single-threaded games it can often drop below 60.
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November 16, 2013 8:26:48 AM

I looked into it and the fps drops that I get during daytime in sleeping dogs are happening to lot's of people(even people with much better hardware than me). It's a problem with the game engine. Night time plays perfectly at 60fps but daytime goes all over the place.
I realize now that the 8320 is pretty much the same thing as the fx 6300 + 2 extra cores. The performance gain will be minimal unless the 2 extra cores are being used. Since most games on the market use 2-4 cores, it seems silly to think that the fx 8320 will solve my problem. Everyone I have asked in this thread and others, generally said they had good performance with the 8320. I noticed however, those people all happened to have faster ram than me. After doing some research, I have found that the FX chips respond very well to faster ram(1600mhz and up) and upgrading my ram might actually be the key to smoothing out my performance in some games. Keep in mind, I'm not playing old games, I'm playing much more demanding titles so it's reasonable to assume that those games would take advantage of faster ram. I appreciate the help, I will report back after buying faster ram in hopes of helping anyone who has a similar issue as me.
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November 17, 2013 6:33:51 AM

I have the same RAM but @ 1600mhz. It's decent.
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November 17, 2013 11:57:09 AM

JOOK-D said:
chromex said:
Just get the 8350 , not worth skimping in this and day age... its a beast for the price smh


The 8320 is cheaper and most can reach 8350 speeds with just a multiplier bump... why spend extra?


This, worth saving money unless you have enough to get the 8350!!!!!
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November 17, 2013 12:48:37 PM

sora said:
JOOK-D said:
chromex said:
Just get the 8350 , not worth skimping in this and day age... its a beast for the price smh


The 8320 is cheaper and most can reach 8350 speeds with just a multiplier bump... why spend extra?


This, worth saving money unless you have enough to get the 8350!!!!!

There isn't any point in buying either for me if I already have an fx 6300 at 4.2ghz. Most games don't even utilize 6 cores. Right now I am looking for something to reduce fps drops but I am almost certain that the fx 8320/8350 isn't the solution. Thanks for the input though.
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November 17, 2013 1:02:55 PM

Here's a question: What if I upgrade to the 6350? I'm pretty sure my psu can handle that. What would my chances be of reaching a higher overclock than I currently have? I'm almost tempted to do it since the only way I could get an i5/i7 is if I bought a new motherboard. It would be almost funny though if I only got up to 4.2-4.3ghz on the 6350 oc though.
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November 17, 2013 1:32:28 PM

No I don't think you'd get a much higher OC, definitely not enough to warrant the spend.

And I agree, it would probably only be 0.1ghz or so which is the same as the 8320:8350 OC ceiling.
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Best solution

November 17, 2013 1:36:54 PM

What the.... Found the solution on my own guys but let me share because I would like to save people the trouble of not going what I went through. HPC mode, I don't know if it will work all the time but on my motherboard at least fps drops are 100% gone with it enabled. I just fired up bf4 and loaded a map that gave me drops and even the most intense scenes stayed consistent. This really had me scratching my head, it seemed weird to me that people suggested an overclocked fx 6300 for gaming when it did this terrible. Now I get it, even though I found out the solution on my own, I really appreciate the time you guys took to try to help me. Thanks!
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November 17, 2013 1:47:54 PM

tensai27 said:
What the.... Found the solution on my own guys but let me share because I would like to save people the trouble of not going what I went through. HPC mode, I don't know if it will work all the time but on my motherboard at least fps drops are 100% gone with it enabled. I just fired up bf4 and loaded a map that gave me drops and even the most intense scenes stayed consistent. This really had me scratching my head, it seemed weird to me that people suggested an overclocked fx 6300 for gaming when it did this terrible. Now I get it, even though I found out the solution on my own, I really appreciate the time you guys took to try to help me. Thanks!


Select yourself as best solution if you can! :p 

Also did you enable it or disable it?

EDIT: For future readers of this thread http://www.tomshardware.co.uk/forum/273947-29-what-mode

Toggle HPC mode.
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November 17, 2013 1:50:03 PM

I had it disabled and was getting the fps drops. Enabled it and problem solved. Not sure why....
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November 17, 2013 1:53:37 PM

Weird according to the other thread haha. Well, just toggling it would probably help. :lol: 
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November 17, 2013 1:55:45 PM

You know what is funny? That is the exact same thread I saw a while back which made me decide to disable it in the first place...guess it wasn't helpful in my case.
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November 17, 2013 2:01:26 PM

Actually just noticed they recommend to enable htpc mode on this guide: http://www.overclock.net/t/1348623/amd-bulldozer-and-pi...
"HPC Mode - Recommended - Enabled - Prevents Throttling when Socket Temp gets high. (In some cases it may cause freezing - if this occurs its recommended to disable)"
Anyways, all I can say is it did the trick for me and if anyone else has fps drops on the fx 6300 or even maybe another fx cpu, it's worth a try.
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November 18, 2013 3:06:41 AM

Update: Sleeping dogs daytime fps drops are gone too! Even when driving. All this time I thought it was a broken game engine. Unbelievable. Borderlands 2 stuttering and fps drops are also gone when playing maxed out.
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November 18, 2013 8:37:06 AM

Good to know if anyone runs in to anything similar. Glad you got it sorted out.
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November 23, 2013 4:56:43 AM

has anybody noticed he's got a 500w psu. at least 650 for an 8 core and r9 280x if overclocking go more for head room.500w your bound to max out power during some processes causing major problems.

on the other hand 8320 and r9 280x is the way to go
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November 24, 2013 12:20:22 AM

tinydez said:
has anybody noticed he's got a 500w psu. at least 650 for an 8 core and r9 280x if overclocking go more for head room.500w your bound to max out power during some processes causing major problems.

on the other hand 8320 and r9 280x is the way to go


Okay...thanks for the input but I have already solved my fps problem and I don't have really any interest in getting the 8320.
Here are 3 reasons why I am not getting the 8320:

1)It will generate more heat in my case(more cores and power consumption=more heat)

2)Like you stated, it requires more power to run thus most likely requiring me to get a new PSU. It will also cost more on my electric bill.

3)The only difference between the fx 6300 and 8320 is that the 8320 has 2 additional cores. They are both the same cpu otherwise. Since most games on the market only use 4 cores and some just starting to use 6, 8 cores will not give you any significant performance gain in gaming. Since I use this PC for gaming only(I have more than one computer), there isn't much sense in me getting the 8320.

Thanks for the input anyways. I should also mention that making the jump from windows 7 to windows 8.1 improved my gaming performance. I had heard that 8.1 was more optimized for fx cpu's and had directx 11.2 which my gpu(r9-280x) supported so I figured why not give it a try. I had a copy of windows 8 64 bit lying around gathering dust. Have to say, performance wise, my games have improved a lot. Fps drops are already solved from enabling hpc mode but with 8.1, my games play much smoother and have no micro-stuttering.
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November 24, 2013 10:03:13 AM

^Might have to make the change to 8.1 myself.
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November 26, 2013 12:39:06 PM

tensai27 said:
tinydez said:
has anybody noticed he's got a 500w psu. at least 650 for an 8 core and r9 280x if overclocking go more for head room.500w your bound to max out power during some processes causing major problems.

on the other hand 8320 and r9 280x is the way to go


Okay...thanks for the input but I have already solved my fps problem and I don't have really any interest in getting the 8320.
Here are 3 reasons why I am not getting the 8320:

1)It will generate more heat in my case(more cores and power consumption=more heat)

2)Like you stated, it requires more power to run thus most likely requiring me to get a new PSU. It will also cost more on my electric bill.

3)The only difference between the fx 6300 and 8320 is that the 8320 has 2 additional cores. They are both the same cpu otherwise. Since most games on the market only use 4 cores and some just starting to use 6, 8 cores will not give you any significant performance gain in gaming. Since I use this PC for gaming only(I have more than one computer), there isn't much sense in me getting the 8320.

Thanks for the input anyways. I should also mention that making the jump from windows 7 to windows 8.1 improved my gaming performance. I had heard that 8.1 was more optimized for fx cpu's and had directx 11.2 which my gpu(r9-280x) supported so I figured why not give it a try. I had a copy of windows 8 64 bit lying around gathering dust. Have to say, performance wise, my games have improved a lot. Fps drops are already solved from enabling hpc mode but with 8.1, my games play much smoother and have no micro-stuttering.


ok no probs, i too am getting windows 8.1 for my new gaming pc, how is it, it has very mixed reviews, one including lower fps than win 7 and mouse input lag. how is it for you. thanks
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November 27, 2013 6:12:49 AM

Do you have an fx cpu and a directx 11.2 compatible gpu? If not, your performance may vary. You will still see an improvement but maybe not to the level that I saw.
Overall it is just a really fast operating system and much faster than windows 7. I have seen the benchmarks and tried out windows 8 before 8.1 and didn't like it. I find windows 8.1 to be a major improvement. It's very customizable so you can set it up the way you like. Personally, now after the tweaks they made on win 8.1, the new start menu doesn't bother me anymore. It's really the same concept as windows 7 only it takes up a full screen(which honestly isn't a big deal because who uses the the desktop the exact same time they are using the start menu?). If you decide no matter what that you don't like the new start menu, there are plenty of free programs that will return it back to the way it was.
As for fps, I found that each game varies in fps. Older titles tended to lose 1-2fps while newer titles gained as much as 10fps. Honestly, I was already getting way over 60fps on those games so a 1-2fps decrease doesn't really bother me. On the other hand, despite those games loosing 1-2fps all my games feel a lot better. I think the term was micro-stuttering that I was experiencing but I'm unsure. Basically the problem I had on windows 7 was even though fraps reported 60fps, my games felt like 30. I think that is micro-stuttering. Anyways it is so much better on 8.1 as all my games feel faster and smoother even if they did lose 1-2fps. As for the mouse lag, Microsoft fixed that in a windows update so be sure to update your windows all the way. Also directx 11.2 improved fps on battlefield 4. I realize AMD mantle is supposed to blow directx out of the water but keep in mind not every game is going to support mantle so it's good to have both mantle and directx 11.2. Pretty much when it comes down to it, from a gamers perspective, the amount of performance you gain isn't worth not upgrading especially if you can get it for cheap.
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January 18, 2014 11:45:34 AM

The lower cost of the 8350 doesn't make it worth buying if you're as fussy as me when it comes to consistent and solid performance (see my 8350 related post). Get a pcie 3 intel motherboard because theyre available already and your 280x deserves it because they're pcie 3 ready gpu's. I'm using an 8350 and im ready to give it away next month when I get my i7. Unfortunately I did not even think fir a second that my 8350 was the cause of my low fps which is why I spent around £700 replacing everything other than the processor. Don't make the same mistake I did mate. Hope I'm not too late to warn ya lol
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January 31, 2014 3:20:43 PM

plunderclat said:
The lower cost of the 8350 doesn't make it worth buying if you're as fussy as me when it comes to consistent and solid performance (see my 8350 related post). Get a pcie 3 intel motherboard because theyre available already and your 280x deserves it because they're pcie 3 ready gpu's. I'm using an 8350 and im ready to give it away next month when I get my i7. Unfortunately I did not even think fir a second that my 8350 was the cause of my low fps which is why I spent around £700 replacing everything other than the processor. Don't make the same mistake I did mate. Hope I'm not too late to warn ya lol

No, you're not too late. This thread is rather old that you are replying to though. I have my cpu at 4.4ghz and performance is rock solid. Did some bios tweaks too such as enabling virtualization which boosted performance. No complaints here. For a cheap cpu, it really holds up nicely and can't wait to see how it does with mantle.
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May 18, 2014 4:49:09 PM

tensai27 said:
plunderclat said:
The lower cost of the 8350 doesn't make it worth buying if you're as fussy as me when it comes to consistent and solid performance (see my 8350 related post). Get a pcie 3 intel motherboard because theyre available already and your 280x deserves it because they're pcie 3 ready gpu's. I'm using an 8350 and im ready to give it away next month when I get my i7. Unfortunately I did not even think fir a second that my 8350 was the cause of my low fps which is why I spent around £700 replacing everything other than the processor. Don't make the same mistake I did mate. Hope I'm not too late to warn ya lol

No, you're not too late. This thread is rather old that you are replying to though. I have my cpu at 4.4ghz and performance is rock solid. Did some bios tweaks too such as enabling virtualization which boosted performance. No complaints here. For a cheap cpu, it really holds up nicely and can't wait to see how it does with mantle.


Know this is old, but you have any pointers? me and my friend have full on 8350's at 4.4ghz, and we both get these FPS drops in all these games (sleeping dogs, BF3/BF4, Crysis 2... even Gmod and minecraft) and I've tried everything/ You say turn Virtualization on and HPC mode on, all other power options off? also, do you use FSB or multiplier to OC. what drivers are you using? I'd think with my R9 290 that I'd be 80+ in BF4, but I seem to get drops to 49fps in lots of maps, even in May 2014...
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