Donanimhaber FX8150 Video Review/Benchmarks!

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sm625

Diamond Member
May 6, 2011
8,172
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Careful what you say, or they will come in and Gaddafi your @#$%.
 
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bronxzv

Senior member
Jun 13, 2011
460
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I find it hard to believe AMD has managed to design a chip that uses more transistors at a higher clock speed, but is slower than its predecessor on benchmarks that are AVX aware.

don't forget AVX was added late in the project, the original design was targeting 128-bit "SSE5" and they have changed their plans after Intel's AVX disclosure, for AVX-256 they must gang together the 2 FPUs which will, at best, provides the same speed than AVX-128, maybe a bit better than legacy SSE, though it's also possible that AVX-256 is slower than legacy SSE if the design is too clumsy


if you look the discussion here :
http://www.planet3dnow.de/vbulletin/showthread.php?p=4501020#post4501020

"
2011-09-28 01:33:41 < Dark_Shikari> AVX mbtree propagate is slower than sse2
2011-09-28 01:33:49 < Dark_Shikari> FMA only barely manages to get it fast again.
2011-09-28 01:33:49 < kemuri-_9> lol
2011-09-28 01:33:52 < Sean_McG> hahah
2011-09-28 01:33:59 < Dark_Shikari> SSE2: 342 cycles
2011-09-28 01:34:00 < Dark_Shikari> AVX: 374
2011-09-28 01:34:05 < Dark_Shikari> FMA4: 340
[...]
2011-09-28 01:35:18 < Dark_Shikari> Hmm. I wonder if FMA4 supports sse registers?
2011-09-28 01:35:37 < Dark_Shikari> Oh. It *does*...
2011-09-28 01:35:38 < Dark_Shikari> Let me try that.
2011-09-28 01:37:45 * codestr0m ears perk up
2011-09-28 01:49:29 < Dark_Shikari> FMA4: 314 cycles. Much better
"

these guys remarked a slowndown when going from legacy SSE (128-bit) to 256-bi AVX, then got back the baseline score with 256-bit AVX + FMA4, then eventually got a sizable speedup with 128-bit AVX + FMA4

based on these observations I'll say that Bulldozer supports AVX-256 just for compatibility sake but it is probably better (TBC) to not enable AVX-256 for Bulldozer targets. It gives a refreshing new perspective on the issue of the Intel compiler enabling SSEx optimization only on Intel CPUs, since in this case it may well be a *legit optimization to disable AVX-256 for Bulldozer*, i.e. not only rely on the features flag but to look at the manufacturer string ("Genuine Intel", "Authentic AMD")
 
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sangyup81

Golden Member
Feb 22, 2005
1,082
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based on these observations I'll say that Bulldozer supports AVX-256 just for compatibility sake but it is probably better (TBC) to not enable AVX-256 for Bulldozer targets. It gives a refreshing new perspective on the issue of the Intel compiler enabling SSEx optimization only on Intel CPUs, since in this case it may well be a *legit optimization to disable AVX-256 for Bulldozer*, i.e. not only rely on the features flag but to look at the manufacturer string ("Genuine Intel", "Authentic AMD")

From what I understand, the Bulldozer module's FPU is actually more like 2 128-bit FPUs put together rather than a true single 256-bit FPU
 

RussianSensation

Elite Member
Sep 5, 2003
19,458
765
126
Its actually funny to read this from you .
I think a month or 2month ago i was the positive one and you were the negative one and at this point we seem to have changed positions . (Maybe due to different expectations?)

Well based on the leaks, at this current time I would recommend a SB chip for a performance system and a 1090T for a mid-range rig. But I still think if BD adds 300mhz+ with each new update, then its performance will start to improve significantly in multi-threaded apps. We'll have to see how fast AMD can ramp up clocks because power consumption may become an issue.

Not sure if BD can compete in the 100-200$ segment. The only advantage they have is fully unlocked cpu's at a low price range.

AMD has always found a way to compete in lower price segments since it was their only option in the last 5 years. I think their pricing strategy for putting FX-8120 @ $220 and FX-8150 @ $266 (if true) is way too high. But if those processors were priced at $180 and $200, and FX-6100 at $150, I can see some people choosing to buy them for multi-threaded tasks.

I fear that when IVB launches, it's going to get enough tougher for them.
 

exar333

Diamond Member
Feb 7, 2004
8,518
8
91
Well based on the leaks, at this current time I would recommend a SB chip for a performance system and a 1090T for a mid-range rig. But I still think if BD adds 300mhz+ with each new update, then its performance will start to improve significantly in multi-threaded apps. We'll have to see how fast AMD can ramp up clocks because power consumption may become an issue.



AMD has always found a way to compete in lower price segments since it was their only option in the last 5 years. I think their pricing strategy for putting FX-8120 @ $220 and FX-8150 @ $266 (if true) is way too high. But if those processors were priced at $180 and $200, and FX-6100 at $150, I can see some people choosing to buy them for multi-threaded tasks.

I fear that when IVB launches, it's going to get enough tougher for them.


I just cannot recommend an X6 for a mid-range system, unless you are only doing number-crunching applications. The 2500k is more power efficient, much faster in single-threaded tasks, and will OC much higher.

AMD is only currently relavent in extreme budget builds or budget multi-threaded setups. Thats not much of a market, when many people can go to MC and get a 2500k + MB <$250. Why even get AMD?
 

king_solom0n

Junior Member
Oct 10, 2011
16
0
0
I just cannot recommend an X6 for a mid-range system, unless you are only doing number-crunching applications. The 2500k is more power efficient, much faster in single-threaded tasks, and will OC much higher.

AMD is only currently relavent in extreme budget builds or budget multi-threaded setups. Thats not much of a market, when many people can go to MC and get a 2500k + MB <$250. Why even get AMD?

Where can I find this 2500k combo?
 

SickBeast

Lifer
Jul 21, 2000
14,377
19
81
AMD is great when you can save $100-200 on the CPU and motherboard and then put that cash into other components like RAM and an SSD. I did just that, and I'm certain that my Phenom II X4 system is faster overall than a 2500K setup with no SSD and only 4gb of RAM as opposed to my 12gb.

The same will apply to Bulldozer. AMD typically undercuts Intel and gives better performance in the same price range.

I will agree that these early benchmarks are painting Bulldozer as a flop, however if they can sell the thing for $100 unlocked, it will be one heck of a gaming processor if they can reliably overclock to 5ghz (which it sounds like they will).
 

kdubbs

Member
Jan 26, 2011
48
0
0
These leaked results are troubling to say the least. That said, tomorrow's (right? hopefully?) Anand review will be necessary to interpret these results. Will the headline read "The Bulldozer debacle: what went wrong", or will it be "Bulldozer: great for servers and HPC, not so much for the desktop user". Normally, the bar graphs are the interesting bit, but I'm willing to bet the discussion is going to be far more interesting this time around.
 

exar333

Diamond Member
Feb 7, 2004
8,518
8
91
These leaked results are troubling to say the least. That said, tomorrow's (right? hopefully?) Anand review will be necessary to interpret these results. Will the headline read "The Bulldozer debacle: what went wrong", or will it be "Bulldozer: great for servers and HPC, not so much for the desktop user". Normally, the bar graphs are the interesting bit, but I'm willing to bet the discussion is going to be far more interesting this time around.

Spot on. Finding the 'golden nuggets' that run well with BD will likely dominate the reviews. Lots of 'if' statements to recommend the product will be likely.
 

exar333

Diamond Member
Feb 7, 2004
8,518
8
91
These leaked results are troubling to say the least. That said, tomorrow's (right? hopefully?) Anand review will be necessary to interpret these results. Will the headline read "The Bulldozer debacle: what went wrong", or will it be "Bulldozer: great for servers and HPC, not so much for the desktop user". Normally, the bar graphs are the interesting bit, but I'm willing to bet the discussion is going to be far more interesting this time around.

Or maybe 'Bulldozer: Welcome AMD users to 2007 performance (again)."
 

RussianSensation

Elite Member
Sep 5, 2003
19,458
765
126
AMD is only currently relavent in extreme budget builds or budget multi-threaded setups. Thats not much of a market, when many people can go to MC and get a 2500k + MB <$250. Why even get AMD?

Ya, my comment more relates to the general market pricing. Obviously, if you can get a 2500k for $149.99-$179.99 at MC, esp. for $250-300 as part of the CPU+Mobo combo, then AMD processors make no sense. I mean then you are starting to get into a situation where a 2500k is $179.99 vs. $266 for the FX-8150. Under such a case, the FX-8150 would have to cost $149 at MC to even make any sense. If you have access to Fry's or MC, then unless you get a $10-20 mobo as part of the AMD deal, AMD isn't even on the radar.

AMD looks more attractive if you start comparing a Phenom II X4 955 @ $119 vs. say an i3. For those who run multi-threaded apps, the Phenom II X4 is more attractive. But obviously, during special sales at MC where a 2500k goes down as low as $149.99, $30-40 savings on a Phenom is laughable to say the least. An overclocked 2500k is going to be some 50&#37; faster than an overclocked Phenom II X4. So that $30-40 savings isn't at all worth it.
 
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exar333

Diamond Member
Feb 7, 2004
8,518
8
91
Ya, my comment more relates to the general market pricing. Obviously, if you can get a 2500k for $149.99-$179.99 at MC, esp. for $250-300 as part of the CPU+Mobo combo, then AMD processors make no sense. I mean then you are starting to get into a situation where a 2500k is $179.99 vs. $266 for the FX-8150. Under such a case, the FX-8150 would have to cost $149 at MC to even make any sense. If you have access to Fry's or MC, then unless you get a $10-20 mobo as part of the AMD deal, AMD isn't even on the radar.

AMD looks more attractive if you start comparing a Phenom II X4 955 @ $119 vs. say an i3. For those who run multi-threaded apps, the Phenom II X4 is more attractive. But obviously, during special sales at MC where a 2500k goes down as low as $149.99, $30-40 savings on a Phenom is laughable to say the least. An overclocked 2500k is going to be some 50% faster than an overclocked Phenom II X4. So that $30-40 savings isn't at all worth it.

I agree 100%. Imagine if Intel let you OC that i3 though....At least AMD is keeping their lower-end CPUs open to overclocking.
 

aigomorla

CPU, Cases&Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
20,894
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dude its not over for AMD.

Is the processor worth its launch price??
I highly dont think so, because as i have been saying the X6 trounces near it with almost half the clocks.

The X6 @ 160 dollars is an unbeatable value...
I have always been saying this... the X6 is one hell of a cpu if your looking at budget.

BD... ummm... im trying to figure out where this cpu belongs... because as it stands.... i dont see any promises AMD made to us coming though.

Instead they gave us a sub par cpu compared to the X6 and laced it with marketing so people wouldnt realize they goof'd.

It makes no sense when a 8 core loses to a 6 core with almost 1/3rd more clocks on it, unless it was intel P4 with net burst.
 
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aigomorla

CPU, Cases&Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
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You expect people believing this kind of nonsense ?...

so a 4ghz BD slightly beating a stock X6?

You call that nonse?


Then tell me where does Bulldozer fit into... please enlighten me..
Because if you want to pull out Enterprise features.. well, then let me bring in AMD's real Enterprise CPU, the Magoney.

so enlighten me where does Bulldozer fit?
 

aigomorla

CPU, Cases&Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
20,894
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What clockspeed do you think BD runs at?

4ghz with AMD's version of turbo.

Now watch the reviews of it at 5ghz...

OH thats right... no one believes them even tho multi sources point to the same thing.
 

TakeNoPrisoners

Platinum Member
Jun 3, 2011
2,599
1
81
so a 4ghz BD slightly beating a stock X6?

You call that nonse?


Then tell me where does Bulldozer fit into... please enlighten me..
Because if you want to pull out Enterprise features.. well, then let me bring in AMD's real Enterprise CPU, the Magoney.

so enlighten me where does Bulldozer fit?

X6's run at 3.2GHz stock. BD runs at 3.9GHz.

Nowhere near half the clocks.
 

aigomorla

CPU, Cases&Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
20,894
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*sigh*

Watch when the cpu goes off cloak and daggers...

Im getting tired of people telling me im wrong, when so far ive been right.

If im wrong.. then i will admit im wrong...

But you have to expect.. some people are lucky to know other people, and usually get information ahead of most even tho the vendors do not like that.

However its been a first time in my entire hobby with PC's a vendor has come out publicaly and tried to defame all the reviewers saying its fake, and they dont have a REAL sample.

Dude i gave u guys September when everyone yelled foul.
October rolls around and multi sites across the web show the same thing.

NO its foul on AMD this time... these arent fake benchmarks... its AMD messing up the CPU and trying to hide the OOPS.

And if the cpu is still messed up, then AMD better fix them fast...



And you guys think im pro intel..
Well lemme tell u this.. i have both systems... and AMD and an intel.
I love both systems because they do the job its intended well, and flawlessly.
Whenever ive been ground stomping BD, and yes i admit i have, i always push another AMD cpu to replace it..

I have NEVER told anyone AMD straight up sucks... they have there niche which they excel in.

I however dont see the value in AMD trying to pull out of the niche with stupid marketing scams... and attacking public reviewers with validated samples saying they are fake.

If the samples are bad.. then why did they get access to them?

Its like intel... there is serveral layers of CPU's.
1. Inhouse... these are ERATA full, mostly unlocked multi on EVERY line.. its a straight up inhouse. <--- u wont see these cpu's EVER... some dont even have ES stamped in the CPUID.. because its intended INHOUSE.

2. First Level ES - These goes out to board makers.... they are to tell the board makers how to make the boards.

3. Preretail ES - These goes out to partners... these are the ES's ones typically see's most of the time that are on the black market... yes buying an ES is illegal... its not the partners to sell, they are all on loan from intel and intel reserves the right to recall the cpu at ANY GIVEN TIME.


So tell me... did AMD circulate Inhouse cpu's to everyone? What sense does that make?
 
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Abwx

Lifer
Apr 2, 2011
11,543
4,327
136
so a 4ghz BD slightly beating a stock X6?

You call that nonse?

This , is different , i call it denial , since what i adressed was :

I highly dont think so, because as i have been saying the X6 trounces near it with almost half the clocks.

So that s a 2 Ghz or so X6 being on par with a 4 ghz FX , according
to your own words that you are currently denying...
 

bryanW1995

Lifer
May 22, 2007
11,144
32
91
Everyone prepare for ACT 3 of the fanboy war : How Intel sabotaged Bulldozer and the 3960X is as big a fail as the 8150 (same X6 1100T vs 8150 logic)

Doesn't matter right now, AMD has already stolen the cool "FAIL" PR. All intel has to do is keep delaying, and keep rolling out slightly higher clocked 2x00k cpus, and maybe go to a 2950/2975/2990/etc if things take too long.
 

aigomorla

CPU, Cases&Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
20,894
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So that s a 2 Ghz or so X6 being on par with a 4 ghz FX , according
to your own words that you are currently denying...

no... watch when they increase BD's clock speed and see how it performs....

8.49ghz.. and cant break a single world record minus the ghz eh?

8.49ghz X6 if it is possible would of broken 1 or 2...
 
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