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I'm extremely disappointed with the fx4100 performance  

post #1 of 52
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I have been running my fx4100, which I know is on the lower end of bulldozer line, for about 1 month. I got a reference hd 4870 gfx card to run starcraft 2 games, which is known to be cpu-intensive.

I didn't overclock the gfx card but tweaked a little bit to make the fx4100 run at 4.5GHz. I got bearly playable fps setting the gfx quality as high, at 1680x1050 resolution. In 4v4 games, I normally started with 40-50 fps and during late battle with a lot of units I got down to 20s.

Moved my 2500k which also runs at 4.5GHz back from school, replaced nothing but the cpu and motherboard. Now I got 70s at the start of the game and 50s in late game.

I cannot notice much difference in performance web browsing, file-zipping-extracting or any other daily usage but I spent a lot of time in that game and the difference is more than obvious.

I totally understand that fx4100 is more like a dual core fpu with quad core apu. but still this performance is a little bit disheartening.

I don't want to start an argument but I kind of feel speaking out my experience could help someone.
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post #2 of 52
SC2 is very CPU bound and likes high IPC. The Intel will do much better here, as would a Phenom 2(although heavily OC'ed FX isn't much worst at all than Phenom 2 in IPC department).

Its a 100$ quad core, so ya get what ya pay for.
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post #3 of 52
Well I'm glad I went with my 1045T yesterday. The sales guy at Microcenter asked if I was sure I didn't want to go for the 4100 and I said I just wanted the 1045T. Seems like the right choice because my little chip is blazing through everything smile.gif

Sorry you hear about your disappointment though :-/
    
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post #4 of 52
Dude, dont be blaming the CPU for such low FPS.

Not when your using such a low end card. Even if a game is more CPU intensive than video card intensive, you still need you use reasonable components. I played SC2 on my FX 6100 with my 6950, and i never dip below 70fps.......
post #5 of 52

SC2 seems to be very optimized for Intel processors at higher settings.  You'll have to blame the developers for possibly unfairly coding the game.  This trend is evident and dubious.

 

StarCraftII.png

 

The Pentium G630 is a 2.7Ghz dual core (i.e. all other tasks which include OS and system tasks must share the 2 cores with Starcraft 2) with no overclocking capabilities and no HyperThreading or other SMT/CMT.  It features just 3MB of cache compared to higher end Intel implementations.  It is besting all AMD processors in minimum FPS and average FPS.  Through to the FX-8120, the Phenom II x6 1090T, and the Phenom II x4 980 - all of which have more cores to be shared with the system and in other tasks exhibit performance as a result of equivalent or better instructions per second.

 

Note that this test is being done with an HD 7970.  But even down to the mid-range, trumpet-205's post below this one shows that results don't change much with midrange cards vs high end cards (i.e. 6770s can max SCII regardless of CPU and same results can be expected above that) - so these results, just the same, apply to realistic setups that pair midrange CPUs with midrange GPUs.


There is absolutely no other game on the market that is seeing these sort of ridiculous trends in gaming FPS likewise to Intel and AMD processors.

 

Again, blame the developers.  Until recently many Intel code compilers were coded so as to unfairly sabotage AMD processor performance with the same code; AMD even sued for it once and won the case.

 

Every other site shows these trends where SCII is being played with Ultra CPU settings or other such high settings for CPUs enabled.  This is Anandtech's:

40751.png

All these tests are again being done with the same GPU (5870).  The trend is clear.  The Pentium G620T is a 2.2Ghz dual core processor.  Again, only two cores to share with the entire system and all background tasks that may be running - and it is up to bat with the 2.8Ghz (more cache too) AMD A8 3850 quad core APU.


Edited by xd_1771 - 3/30/12 at 7:44pm
post #6 of 52
Quote:
Originally Posted by madengineer View Post

Dude, dont be blaming the CPU for such low FPS.
Not when your using such a low end card. Even if a game is more CPU intensive than video card intensive, you still need you use reasonable components. I played SC2 on my FX 6100 with my 6950, and i never dip below 70fps.......

GPU plays little in SC2.

SC2%206770.png
SC2%206850.png

One is 6770 (which has the performance around 4870), and the other is 6850. As you can see higher level GPU plays little part in SC2.
Quote:
Originally Posted by xd_1771 View Post

SC2 seems to be very optimized for Intel processors at higher settings. You'll have to blame the developers for possibly unfairly coding the game. This trend is evident and dubious.

450x588px-LL-2549d5e9_StarCraftII.png

The Pentium G630 is a 2.7Ghz dual core (i.e. all other tasks which include OS and system tasks must share the 2 cores with Starcraft 2) with no overclocking capabilities and no HyperThreading or other SMT/CMT. It features just 3MB of cache compared to higher end Intel implementations. It is besting all AMD processors in minimum FPS and average FPS. Through to the FX-8120, the Phenom II x6 1090T, and the Phenom II x4 980 - all of which have more cores to be shared with the system.

Note that this test is being done with an HD 7970. But even down to the mid-range if a post I just saw concerning Starcraft II GPU needs was right (i.e. 6770s can max SCII) then midrange cards should not change these results.


There is absolutely no other game on the market that is seeing these sort of ridiculous trends in gaming FPS likewise to Intel and AMD processors.

Again, blame the developers. Until recently many Intel code compilers were coded so as to unfairly sabotage AMD processor performance with the same code; AMD even sued for it once and won the case.

Do you have any proof that StarCraft 2 uses Intel compiler? Any hard proof? I have seen a lot of people use the argument of Intel compiler. Question is, do you have explicit proof that Intel compiler was used?

Even so you need to be aware that the lawsuit you refereed to was settled in 2009. SC2 was released in mid 2010.
Edited by trumpet-205 - 3/30/12 at 7:51pm
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post #7 of 52
Quote:
Originally Posted by madengineer View Post

Dude, dont be blaming the CPU for such low FPS.
Not when your using such a low end card. Even if a game is more CPU intensive than video card intensive, you still need you use reasonable components. I played SC2 on my FX 6100 with my 6950, and i never dip below 70fps.......

thumbsdownsmileyanim.gif
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post #8 of 52
Quote:
Originally Posted by madengineer View Post

Dude, dont be blaming the CPU for such low FPS.
Not when your using such a low end card. Even if a game is more CPU intensive than video card intensive, you still need you use reasonable components. I played SC2 on my FX 6100 with my 6950, and i never dip below 70fps.......

How can he not blame the CPU?? He just swapped his cpu with a different one and got a huge FPS increase. Sounds like he can blame it on the CPU to me.
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post #9 of 52

He is comparing one game.

Quote:
I cannot notice much difference in performance web browsing, file-zipping-extracting or any other daily usage but I spent a lot of time in that game and the difference is more than obvious.

This CPU competes well in every other game except for Starcraft II.  It may have to do with coding optimizations to favour Intel - whether on purpose or not.  If you are coming to conclusions from his observations with just this game, then I am going to have to consider your thoughts to be short-sighted.

post #10 of 52
Quote:
Originally Posted by xd_1771 View Post

He is comparing one game.
This CPU competes well in every other game except for Starcraft II.  It may have to do with coding optimizations to favour Intel - whether on purpose or not.  If you are coming to conclusions from his observations with just this game, then I am going to have to consider your thoughts to be short-sighted.

Only if they're GPU bound. FX4100 is very underwhelming no matter how you slice it from an enthusiast / hobby standpoint.
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