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Buying the fx8150 as a quad core? - Page 4

post #31 of 43
Quote:
Originally Posted by KarathKasun View Post

Just make sure to remember that the FX-4100 and 4170 have two modules disabled instead of the secondary cores in each of the 4 modules... so...
FX-4100 and FX-4170 are 2 cores with 4 threads total
FX-4200 should be 4 cores with 4 threads total
I digress, probably useless to speculate how it should have launched now.
You're correct about it having two modules disabled, but that wouldn't that mean they have two modules with four cores and four threads?
Edited by auraofjason - 5/27/12 at 1:54am
post #32 of 43
Kind of?

The resources are so heavily shared that, while better than hyperthreading, I do not buy into the marketing lingo.

Sun Microsystems did something very similar back in the early 2000's with shared decoders and cache. It was called CMT, and the parts were marketed as being able to process more threads efficiently... not as having more cores.

Fact is, that most of the time on tasks with four or less threads, disabling the partial cores actually improves performance. This is very similar to Intel's hyperthreading as well.

If the FX-4200 ever sees the light of day, it should be the part compared against the midrange i5 lineup (non hyperthreading). With the FX-8150 pitted against the i7 lineup.

The problem is that AMD is 1/2 step behind Intel in terms of performance, so the FX-8150 is up against the high end i5's.
Edited by KarathKasun - 5/27/12 at 1:39pm
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post #33 of 43
Quote:
Originally Posted by KarathKasun View Post

With the FX-8150 pitted against the i7 lineup.
The problem is that AMD is 1/2 step behind Intel in terms of performance, so the FX-8150 is up against the high end i5's.

FX-81xx originally is intended to compete against i7 (8150 launch price was $270).
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post #34 of 43
A Phenom is a faster proc clock for clock but the 8120 can get more clocks. Here is an Anand Bench comparing a 8150 with a 1075. That shows a difference of 600 MHz. In that case, the FX is faster in almost every single benchmark and 2 of the 3 gaming benchmarks. So when compared evenly, a Phenom is a better processor but when when you take into account the FX's potential to overclocking to a much higher point, the FX comes out ahead.

Now whats debatable is if its worth the extra $170 for an 8120 for those minor benefits. For most, it wont be but if you just want something new to play with then its not a bad deal. Youll get something thats fun to overclock and itll be a slight upgrade over your current proc.
post #35 of 43
Quote:
Originally Posted by trumpet-205 View Post

FX-81xx originally is intended to compete against i7 (8150 launch price was $270).

I know, but it fell short due to bad performance in legacy code. It is on par with i7 once you move to FMA in certain cases. That is why the price dropped, it was not well received as an i7 competitor due to its particular shortcomings.
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post #36 of 43
Actually, Bulldozer was originally intended to compete with the i7-900 and 800 family which it does very well. Thats the whole problem with it, it took 3 years to get it out and by that time, Intel was a generation ahead.

Sent from my HTC Thunderbolt using Tapatalk 2
post #37 of 43
Thread Starter 
Thanks for that. I dont know why people are giving you crap, that was a perfect answer. Looks like i didnt fully understand how the BD Architecture works. But. with this CPU at 4.16ghz stable and my GTX 570 HIGHLY OC, and as you said upgrading to an 8core FX processor would just be side grading and future proofing (Which im a budget builder, so i dont care for the best, i just want what is great for me), its not an essential upgrade anytime soon. Its a shame, i would buy an 1100t but i cant find any anymore :'''(. If PD isnt much better, im switching to intel. at least until AMD Sorts its ***** out. I was looking at the i5 2500k which looks amazingly perfect for me, and that alone isnt too expensive, but its upgrading the mobo and such is what makes it a 400$ upgrade....which i would rather put into a new card.
post #38 of 43
Thread Starter 
Quote:
Originally Posted by Fuell View Post

But that can be hit or miss, so you might want to hold onto your cash and see what Piledriver brings. Are you being bottlenecked? Do you need/want to upgrade badly, or just on a whim? Do you want to stay with AMD or go Intel, or does this even factor to you? Theres a lot of things I don't know personally, but I gave you my 2 cents of ramble.

i am not being bottlenecked...i always see my gpu usage hit 99% while my cpu is around 50-85% (2 core games/4 core games). As far as wanting to upgrade, sure, its always nice, but at almost 4.2ghz im plenty fine. and 4 cores are gonna be fine for a few years. AMD or Intel? No preference. I have an AMD based machine because of the price. i bought this cpu for 165 bucks a few years back and it was between this or the 2500k, which was close to 250. Plus, i had an am3 board on hand. If i didnt have a motherboard to start, i would have gone with intel...almost no question, but thats because straight up - intel has great gaming performance.
post #39 of 43
Quote:
Originally Posted by MacLeod View Post

Actually, Bulldozer was originally intended to compete with the i7-900 and 800 family which it does very well. Thats the whole problem with it, it took 3 years to get it out and by that time, Intel was a generation ahead.
Sent from my HTC Thunderbolt using Tapatalk 2

I am aware of this, but AMD still tried to compete with i7-2600k at launch. IMHO this was a bad idea and it kinda backfired on them. They should have lined their products up against the i5-2500k and just sat out on the higher end for a cycle, though I suppose they sold many FX-8150's for a decent profit before the price dropped to being in line with actual performance.

For the OP, I would probably just hold on to your cash for another few months if you are comfortable with your current rig atm.
Edited by KarathKasun - 5/28/12 at 11:07pm
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post #40 of 43
PD is 4 months away if all goes well.
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