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New Athlon X4 760K Black Edition CPU - Page 2

post #11 of 28
Thanks for the answer agrims. From what I understand HSA is only relevant for APUs. So when looking at the gimped APUs the HSA has no meaning since it's all about maximizing efficiency by splitting up tasks between GPU and CPU with shared memory etc.

I'm thinking with CPU dependant Games the 750/760 are not the best choice and will be outperformed by any fx, phenom II, i3 chip. With high clocked RAM & Northbridge the lack of l3 cache can be made less dramatic but still will never ever reach the speed of an L3 cache.

There are quite a few solid FM2 mATX and mITX boards that really get me excited about this CPU since it's cheap and still packs a big punch. I'm just wondering if the Athlon II is, from a Gamer perspective, a good choice. Wasn't it developed for working machines with no dedicated gpu at all?

I really wish I understood the architectural difference between these CPUs.

Can't wait for the first Benchmark results.

(Is this an error on the AMD page, Athlon II AM3 Socket o.O)
post #12 of 28
Quote:
Originally Posted by agrims View Post

To answer the first question, yes, the 750k runs fast as hell using 2133Mhz ram. The 760k BE will run 2400Mhz ram with ease, if I owned 2400Mhz ram I would run my 750k with that bandwidth. These are gimped APU's, so they get all the perks of their A10 brothers sans iGPU.

As for the statement of is L3 cache relevant, umm, yes. For what I do, I don't notice a difference, and in most tasks, you wouldn't notice any difference. However, you will notice the difference with benchmarks and games. I can say that I do actively see the gap narrowing on importance of L3 cache with higher bandwidth ram and with HSA I believe it will disappear.

You will not notice a bottleneck on these CPU's by yourself, but a benchmark will show some bottle necking to a marginal degree. Imagine this, it is an FX-4350 without L3 cache. Do people complain about their FX-4350, nope. Well other than they should have bought the six or eight core to run more programs without worrying about a operation ceiling..

Ryude, please don't bring in two to three year old graphs, those are now old architectures that have now been surpassed with revisions. It has been proven that Vishera is finally what an FX chip should have been two years ago.

*yawn*

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post #13 of 28
Found these benchmark results: http://pclab.pl/art51367-3.html
page 13 they OC the CPUs.
I dont understand the test setup on page 2 with multiple motherboards (no FM2 board) and gpu's.

If someone can speak polnish, I'd appreciate if you could explain the testing setup

The results look promising.
Edited by nepToon - 7/21/13 at 2:42am
post #14 of 28
Quote:
Originally Posted by Ryude View Post

*yawn*

It's still completely asinine to claim that it'd be better not to have any L2 or L3.
post #15 of 28
Ok, so first off, I believe ryude is trolling this thread, and from now on will be regarded as a troll. No more popcorn and go sit in your tunnel...

As for the polish part, I'm on a family vaca in deutcheland and can't translate now, but you can with Google translate! Copy the words into the block from the page and viola! English from polish!!!

And this page already confirms what I have stated before. L3 cache matters, but not as much as before.

One more thing. HSA will at first affect only APU's, but will eventually work on all CPU's in the AMD lineup. Kaveri will be a partial HSA product due to its GCN cores, but its replacement will be 100% HSA. Can't wait!!!
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post #16 of 28
I'm in a dilemma with this CPU. It's assumably extremely well overclockable, has good motherboards with a modern chipset, supports 2133Mhz+ RAM and is fairly cheap.
In terms of performance it's in the range of a 6100/Phenom II 965/i3/Pentium g2120, g870.

One of the problems is the FM2 platform. When you go with a Pentium or an i3 you can buy a solid 1155 motherboard and you're able to upgrade to an i5 in the future. Same with AM3/+.
With the FM2 you're pretty much stuck on a socket that isn't made for gaming in the first place.

Another question; what is the strongest GPU that can be combined with this CPU without getting bottlenecked. I haven't found any sort of formula, only explanations on how the bottleneck occurs.
post #17 of 28
You can run 7970's no problem on this chip. You won't see a difference with your eye, but if you are a Benchmarker you will. FM2 is a solid platform..
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post #18 of 28
Now you start to troll aswell? Theoretically I could run a Titan but would it make sense? Obviously no.
A 7850 or maybe even 7870 is the maximum that makes sense to me, every stronger GPU will be slowed down and the extra cash is not worth it.
And yes it's only in Benchmarking or when a lot is happening ingame.

I would say you're a little biast because you use the 750K and you're the manager of the gimped APU ownerthread.
The small interest in the CPU is something that puts me off aswell it's totally off the technical reality but you would think more people would be into this CPU.

Sorry if this sounded cocky, no offense intended. I just wanna know as much as possible before making a choice.
post #19 of 28
Honestly, if a decently clocked Phenom II X4 won't bottleneck a 7970, I think an Athlon X4 at 4+ wouldn't either. And it seems that 4.4+ is easy enough to achieve with a suitable cooler.
post #20 of 28
I do have to correct the uninformed question about the L2 Cache per core.

All CPUs on Bulldozer architecture work in modules. Each Module contains 2 integer cores but only 1FP, 1 fetch&decode unit which splits the load on the two units and a shared L2 Cache of 2Mb.
So you can't say 1Mb per core.

When I have some more time I will read more into it, for now I have to learn pharmaceutical related information for my studies :"(. I will get back to micro processor architecture in my free time thumb.gif
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