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post #11 of 19
For top single-core performance, you will have to choose Intel. You have to clock an FX to 5 GHz to match the single-core performance of a Sandy Bridge CPU running at 3.5. AMD is very competitive in multi-core apps, and single-core is way above what you need for everyday tasks, but when it's a program that's very intensive on single-core, Intel is the only game in town.

Steamroller is expected to fix that, but we don't know for sure if Steamroller will be released for the desktop on AM3+ or not. AMD does maintain its desktop sockets longer than Intel does, but AM3+ is nearing the end. Even if Steamroller does ship on AM3+, it's probably also coming with a new chipset that will bring the new PCI-E and SATA specs to AMD platforms. To be long-term future-proof, you'll need those features. As much as I support AMD, it's only Intel that has your single-core performance and those new features available now.

In any case, writing single-thread software today is just cutting off your nose to spite your face. Computing is moving in the direction of lower power and distributing workloads across multiple execution cores, which means more threads. AMD has been moving in that direction for some time (albeit out of necessity in their case), and now the software industry and even Intel are doing the same.
     
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post #12 of 19
Quote:
Originally Posted by jsc1973 View Post

For top single-core performance, you will have to choose Intel. You have to clock an FX to 5 GHz to match the single-core performance of a Sandy Bridge CPU running at 3.5. AMD is very competitive in multi-core apps, and single-core is way above what you need for everyday tasks, but when it's a program that's very intensive on single-core, Intel is the only game in town.

Steamroller is expected to fix that, but we don't know for sure if Steamroller will be released for the desktop on AM3+ or not. AMD does maintain its desktop sockets longer than Intel does, but AM3+ is nearing the end. Even if Steamroller does ship on AM3+, it's probably also coming with a new chipset that will bring the new PCI-E and SATA specs to AMD platforms. To be long-term future-proof, you'll need those features. As much as I support AMD, it's only Intel that has your single-core performance and those new features available now.

In any case, writing single-thread software today is just cutting off your nose to spite your face. Computing is moving in the direction of lower power and distributing workloads across multiple execution cores, which means more threads. AMD has been moving in that direction for some time (albeit out of necessity in their case), and now the software industry and even Intel are doing the same.

Damn, an unbiased answer on OCN. What is this :O? Good advice though. Although I'd say that there are quite a few reasons there are some applications/games still running on a single/dual thread. In most cases, these applications inherently cannot take advantage of multi-threading due to what they do.
post #13 of 19
Quote:
Originally Posted by wdgann View Post

FX single core power is really so bad:

http://www.tomshardware.com/reviews/fx-8350-vishera-review,3328-8.html
http://media.bestofmicro.com/X/Y/357622/original/cinebench.png
I see tom hardware recommend fx-8400 and I read the related review, as you can see the single core power is the same as much older many years ago X4 980 and nothing like current i5 or i7 speed.

THG are horrible, their reviews and articles are worthless.

In Cinebench multithread an FX8350 matches an i7 3770.
Quote:
Originally Posted by Kinaesthetic View Post

Damn, an unbiased answer on OCN. What is this :O? Good advice though. Although I'd say that there are quite a few reasons there are some applications/games still running on a single/dual thread. In most cases, these applications inherently cannot take advantage of multi-threading due to what they do.

You mean due to lazy coding.
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post #14 of 19
Quote:
Originally Posted by Kinaesthetic View Post

Damn, an unbiased answer on OCN. What is this :O? Good advice though. Although I'd say that there are quite a few reasons there are some applications/games still running on a single/dual thread. In most cases, these applications inherently cannot take advantage of multi-threading due to what they do.

Well, the idea should be to give the OP the best possible advice on what hardware best meets his needs. Given what he asked for, I'm doing him a disservice if I recommend anything but an Intel solution. I support AMD because they've moved the industry forward when they've been able to. Without AMD, we'd all still be on dreadful 32-bit Intel Netburst CPU's still, or worse, running legacy apps in cut-down versions of their lousy Itanium CPUs. AMD, by developing x86-64 and 64-bit computing on the established architecture, forced Intel to excel. And I think we're getting to the point where we need AMD to push them again.

I'm sure there are probably some types of applications that simply cannot be coded effectively for multicore operation, but it's also true that a lot of developers just don't make the effort, and we need the CPU makers and Microsoft to quit coddling them. I've said several times that 32-bit Windows 7 and 8 shouldn't even exist, and neither should dual-core performance CPU's like i3's and Phenom II X2's. I liked hearing that Intel was moving their low-end lines to quad Atom cores, and I hope AMD moves theirs to Jaguar. Anything that moves us in the direction of 64-bit parallelism is a good thing.
     
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post #15 of 19
Thread Starter 
Quote:
Originally Posted by jsc1973 View Post

For top single-core performance, you will have to choose Intel. You have to clock an FX to 5 GHz to match the single-core performance of a Sandy Bridge CPU running at 3.5. AMD is very competitive in multi-core apps, and single-core is way above what you need for everyday tasks, but when it's a program that's very intensive on single-core, Intel is the only game in town.

Steamroller is expected to fix that, but we don't know for sure if Steamroller will be released for the desktop on AM3+ or not. AMD does maintain its desktop sockets longer than Intel does, but AM3+ is nearing the end. Even if Steamroller does ship on AM3+, it's probably also coming with a new chipset that will bring the new PCI-E and SATA specs to AMD platforms. To be long-term future-proof, you'll need those features. As much as I support AMD, it's only Intel that has your single-core performance and those new features available now.

In any case, writing single-thread software today is just cutting off your nose to spite your face. Computing is moving in the direction of lower power and distributing workloads across multiple execution cores, which means more threads. AMD has been moving in that direction for some time (albeit out of necessity in their case), and now the software industry and even Intel are doing the same.

thanks and I understand industry is moving to muti threads. This program is only for my personal use but I am going to throw in a lot of my wealth. My design is getting single thread done and let it do what I need then later if my app really needs even better speed then I update the codes to muti threads.
post #16 of 19
Quote:
Originally Posted by wdgann View Post

thanks and I understand industry is moving to muti threads. This program is only for my personal use but I am going to throw in a lot of my wealth. My design is getting single thread done and let it do what I need then later if my app really needs even better speed then I update the codes to muti threads.

Well these days I'm almost completely positive that you will need to recode it to be multi threaded if you are going AMD. The single core performance just is not there unfortunately. In this case I reccomend the 8320 to get the most cores for the buck.

Edit: something just occurred to me: if you are going to be running the program single threaded for the time being you can actually turn off some cores which may lower your temps and allow you to OC more on the activated cores, getting better IPC. Just a thought.
Edited by Deadboy90 - 6/27/13 at 6:52pm
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post #17 of 19
Thread Starter 
Quote:
Originally Posted by Deadboy90 View Post

Well these days I'm almost completely positive that you will need to recode it to be multi threaded if you are going AMD. The single core performance just is not there unfortunately. In this case I reccomend the 8320 to get the most cores for the buck.

Edit: something just occurred to me: if you are going to be running the program single threaded for the time being you can actually turn off some cores which may lower your temps and allow you to OC more on the activated cores, getting better IPC. Just a thought.

very good thought, can I even disable a I5 core? I don't even know.
post #18 of 19
Thread Starter 
so sad that AMD is so not competitive now.
post #19 of 19
AMD is competetitive in certain areas and where cost is involved.

If you are using software that only uses one core and requires high singlethread performance then intel is your only option if you want maximum performance.
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