Why have AMD APUs failed on the market?

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cbn

Lifer
Mar 27, 2009
12,968
221
106
It seems that they gave up this sales bullet. Pity, it would give them a real edge on gaming.

Trouble with dual graphics is that the R7 250 is around the same price on the street as the R7 250X (actually R7 250X is actually often times cheaper), but the R7 250X is faster by itself than Kaveri iGPU + R7 250 together by a considerable margin.
 

mrmt

Diamond Member
Aug 18, 2012
3,974
0
76
Trouble with dual graphics is that the R7 250 is around the same price on the street as the R7 250X (actually R7 250X is actually often times cheaper), but the R7 250X is faster by itself than Kaveri iGPU + R7 250 together by a considerable margin.

Yeah, Nvidia wasn't kidding when they saying that if Intel reached their intended performance targets they would just field a bigger but more efficient dGPUs, and this also forced AMD to follow the suit. Basically when Nvidia redefined the bottom market it killed AMD APU strategy.

Ed: Did AMD ever fix enduro? I tested it once and it was a letdown, it will be a no-go for the mobile market even if they fix their efficiency problem.
 
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cbn

Lifer
Mar 27, 2009
12,968
221
106
I plan on just re-running the settings reported in this post:

http://forums.anandtech.com/showpost.php?p=36730608&postcount=133

(Except instead of dual channel DDR3 1333, I will run single channel DDR3 1333....and maybe single channel DDR3 1600 as well. Just realize Pentium doesn't support DDR3 1600 on Non-Z boards, but I have a Z97 so I can do it for academic reasons).

Here are my Dirt 3 results (the results posted in the link above were 2 x 2GB dual channel DDR3 1333):

3 GHz Pentium with 4GB RAM (single channel DDR3 1333), 512 MB of RAM dedicated to iGPU

Ultra Low pre-set (with Multisampling OFF):

1920x1080 = 27.74 FPS, 24.59 MIN
1366x768 = 45.15, 37.56 MIN
1024x768= 55.29 FPS, 44.25 MIN
800x600 = 69.85 FPS, 53.46 MIN

Low pre-set (with Multisampling OFF):

1920x1080 = 21.11 FPS, 17.43 MIN
1366x768 = 36.01 FPS, 30.21 MIN
1024x768 = 43.22 FPS, 34.47 MIN
800x600 = 52.13 FPS, 39.67 MIN

Medium pre-set (with Multisampling OFF):

1280x720 =
AVG: 29.94 FPS
Min: 25.51 FPS

(Comparing my single channel results to the dual channel results in link, I am quite surprised to see the FPS drop so much.)
 

coercitiv

Diamond Member
Jan 24, 2014
6,403
12,863
136
With regard to increasing RAM allocated to iGPU, I did find out my board cannot allocate more than 512MB to iGPU
Besides some legacy compatibility issues, is there any difference between memory allocated in BIOS and the dynamic memory allocated by the graphics driver?
AFAIK you're bound by total system RAM, not by pre-allocated values.
 

monstercameron

Diamond Member
Feb 12, 2013
3,818
1
0
I did find Beema Laptops (during my newegg search), but Yes Ancalagon44 the selection was limited to models with screen size 15.6" or greater. I didn't see any Mullins Laptops.


Hp stream 14...I have a quick review on at
 

exar333

Diamond Member
Feb 7, 2004
8,518
8
91
The only way the APUs are viable (from a profit standpoint) is on a bleeding-edge process, so the die size is both (1) as small as possible and (2) as power-efficient as possible. The current AMD APUs are neither. Maybe they can play catch-up when 16nm FF is more widespread, but until then they are at a HUGE disadvantage.
 

Smoblikat

Diamond Member
Nov 19, 2011
5,184
107
106
Because id rather have a thuban than anything AMD has released recently. Their CPU performance is dismal at best.
 

Ramses

Platinum Member
Apr 26, 2000
2,871
4
81
If my FX's have been dismal I hope to hell every other computer I ever have is equally so lol
 

Blue_Max

Diamond Member
Jul 7, 2011
4,227
153
106
I still hope for big improvement of the APU, as Intel has been catching up on what makes the APU special in the first place... graphics.

To be a genuine desktop "hot item" AMD's got, got, got to beef-up that video performance! AND keep it more affordable than a cheap chip + better video on a card.
 

Ramses

Platinum Member
Apr 26, 2000
2,871
4
81
Come to the dark side, we have cookies!

Hell I'm not sure who the dark side is anymore.

I sold my 9590 yesterday(quickly, and for good money), and my pair of 280x's, that I've been totally pleased with and tooted the horn of more than a few times. I intend to spend rather a lot of money on a nice z97 board and an i7-ish something and I dunno what for a GPU yet and see how it measures up since I like putting my money where my metaphorical mouth is. I'm obviously not going to be disappointed with anything other than the bill maybe, but if I don't see some awe inspiring performance compared to my 8350 and 9590 I'm going to be forced to gripe about it at some point.


I really want to like the A10, but it's just such a downgrade from an FX and dGPU. I even looked at going matx or itx for the heck of it so the SFF would make it more attractive, but even as an hour or three a week tops gamer, it'd still need a real GPU and the cost get's unreasonable for the performance. Be neat to have in a laptop, bout it though. I still don't see the point in iGPU for the desktop despite some plenty logical reasons, they just don't seem to pan out to me when it's time to put down some money. Maybe I am too much of a "gamer" after all.

I may well not buy anything if I can't quit looking at craigslist cheap old cars...
 

turn_pike

Senior member
Mar 4, 2012
316
0
71
Sometimes I wonder what kind of cpu workload the average AT-ers would have. 'cos at this point I dont really care about cpu speed anymore. My craptacular (compared to Intel's latest) Kaveri does fine even when compiling a program in Codeblocks, having a virtualbox machine running, a couple of AWS ssh and with tons of tabs open in Tor-firefox, normal firefox and Chrome all at the same time. Its not like I stare at the screen waiting for 7-zip or g++ to finish. But then again, I dont play the latest AAA titles anymore.
 

Ramses

Platinum Member
Apr 26, 2000
2,871
4
81
Sometimes I wonder what kind of cpu workload the average AT-ers would have. 'cos at this point I dont really care about cpu speed anymore. My craptacular (compared to Intel's latest) Kaveri does fine even when compiling a program in Codeblocks, having a virtualbox machine running, a couple of AWS ssh and with tons of tabs open in Tor-firefox, normal firefox and Chrome all at the same time. Its not like I stare at the screen waiting for 7-zip or g++ to finish. But then again, I dont play the latest AAA titles anymore.

Have frequently had that thought as well. My workload is essentially the same as it was fifteen years ago just more of it, and newer versions of the software obviously, and we didn't have netflix then. I use VM's more now and multi-monitor, but I was always a heavy multitasker. This is the first time I've, easily and cheaply, had waaay more hardware than my software needed that I can ever remember. I've had plenty of fast computers, but the next windows version would usually manage to throw a wrench into things. Not so anymore, 7 to 8.1 was actually faster, and didn't need more ram lol.

I strongly suspect the vast majority of folks, here and otherwise, don't use what they've got and could do with a lot less. I know I could, but it's a hobby so hey. If I had my druthers I'd prefer folks to not beat around the bush so much about it. These review sites kill me these days, they test a b and c, a get's 60fps in a game, b get's 70, c gets 80, they pronounce c the best thing ever and clearly a and b are of no use other than to 3rd world users. Crazy... Maybe it's just me.
 

Yuriman

Diamond Member
Jun 25, 2004
5,530
141
106
I'd probably be pretty happy with an i3. I do occasional gaming, almost all of which is very single-thread heavy, and GIS work, which also doesn't scale past two threads. Other than that, just light desktop stuff.

No iGPU today would meet my expectations, though they're not very high, but I'd probably be fine with the CPU performance of an overclocked FX. Some of the games I play would be a bit slower on an FX (where it matters - sub-40fps) but I doubt I'd be unhappy. I don't feel a need to keep them pegged at 60.

EDIT: FWIW, I'd probably appreciate being able to go even smaller-form-factor with an APU, but I could pair a stock 970 with an i5 in my 10" x 7.5" x 11" case and 380w PSU and still have near-silent operation.
 
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Ramses

Platinum Member
Apr 26, 2000
2,871
4
81
I've been using my i7-4510u SSD 16gb lappy with a displaylink usb hub for multi monitor for a week or so again. Other than lighter gaming on the 840m and it being perceptively but not bothersomly slower than the FX box it's really plenty. Heck it's even got an SSD and a 1tb hard drive. The futures pretty cool sometimes.
 

cbn

Lifer
Mar 27, 2009
12,968
221
106
One problem with Kaveri was that is was supposed to have GDDR5. It also has a jumbo size DDR3 PHY that is twice the size of the Trinity APU DDR3 PHY (I am thinking the GDDR5 is the one reason for that large PHY).

Anyway, in retrospect, AMD could have designed a quad core steamroller based APU with small iGPU and reduced sized DDR3 PHY (with the GDDR5 removed) for about the half the size of the current Kaveri.
 
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AtenRa

Lifer
Feb 2, 2009
14,003
3,361
136
Here are my Dirt 3 results (the results posted in the link above were 2 x 2GB dual channel DDR3 1333):

3 GHz Pentium with 4GB RAM (single channel DDR3 1333), 512 MB of RAM dedicated to iGPU

Ultra Low pre-set (with Multisampling OFF):

1920x1080 = 27.74 FPS, 24.59 MIN
1366x768 = 45.15, 37.56 MIN
1024x768= 55.29 FPS, 44.25 MIN
800x600 = 69.85 FPS, 53.46 MIN

Low pre-set (with Multisampling OFF):

1920x1080 = 21.11 FPS, 17.43 MIN
1366x768 = 36.01 FPS, 30.21 MIN
1024x768 = 43.22 FPS, 34.47 MIN
800x600 = 52.13 FPS, 39.67 MIN

Medium pre-set (with Multisampling OFF):

1280x720 =
AVG: 29.94 FPS
Min: 25.51 FPS

(Comparing my single channel results to the dual channel results in link, I am quite surprised to see the FPS drop so much.)


A8-7600 at 45W TDP
1GB iGPU Memory
1x 4GB 1600MHz 9-9-9 (Single channel)
Catalyst 14:12 Omega
Win 8.1 64bit

DIRT 3 Build-in Benchmark (Alpen)

Ultra Low pre-set (with Multisampling OFF):

1920x1080 = 50,64 FPS, 40,00 MIN
1366x768 = 78,73, 64,60 MIN

Low pre-set (with Multisampling OFF):

1920x1080 = 37,61 FPS, 30,68 MIN
1366x768 = 59,35 FPS, 48,65 MIN


Medium pre-set (with Multisampling OFF):

1920x1080 = 29,08 FPS, 24,93 MIN
1600x900 = 37,17 FPS, 30,99 MIN
1366x768 = 46,29 FPS, 38,20 MIN
1280x720 = 49,72 FPS, 42,24 MIN
 
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Blitzvogel

Platinum Member
Oct 17, 2010
2,012
23
81
One problem with Kaveri was that is was supposed to have GDDR5. It also has a jumbo size DDR3 PHY that is twice the size of the Trinity APU DDR3 PHY (I am thinking the GDDR5 is the one reason for that large PHY).

Anyway, in retrospect, AMD could have designed a quad core steamroller based APU with small iGPU and reduced sized DDR3 PHY (with the GDDR5 removed) for about the half the size of the current Kaveri.

A 4 GB GDDR5 equipped Kaveri would've made for a good low cost Steambox. But it wasn't to be......
 

Shivansps

Diamond Member
Sep 11, 2013
3,873
1,527
136
To emphasize the importance of the low TDP.

Im not sure about it, something is really wrong with FM2/FM2+ overall, for having such low tdp its kinda strange that there are soooo little FM2/+ Itx boards, and the ones that are avalible are expensive and they come with a crazy number of vrms and most of them have a heat spreader too.

I smell something wrong with it, one whould think that ITX will be the main target of FM2 platform, and it just does not exist on it.

So yeah the tdp is low, but something is definately wrong with power or heat on FM2.
 

Cerb

Elite Member
Aug 26, 2000
17,484
33
86
Sometimes I wonder what kind of cpu workload the average AT-ers would have. 'cos at this point I dont really care about cpu speed anymore. My craptacular (compared to Intel's latest) Kaveri does fine even when compiling a program in Codeblocks, having a virtualbox machine running, a couple of AWS ssh and with tons of tabs open in Tor-firefox, normal firefox and Chrome all at the same time. Its not like I stare at the screen waiting for 7-zip or g++ to finish. But then again, I dont play the latest AAA titles anymore.
The dominant thread in a game, and maybe Firefox. That's really it. At the right price, Kaveris are awesome, because the generational improvements in CPUs, and Turbo (which I was against when it came out), make more of a difference than anything else, for day to day bursty CPU loads, than the higher IPC does (but, the higher IPC is one of several things that allows Intel to offer lower power consumption, which sells to big customers, so let's hope for something good in 2016 from AMD!).

Im not sure about it, something is really wrong with FM2/FM2+ overall, for having such low tdp its kinda strange that there are soooo little FM2/+ Itx boards, and the ones that are avalible are expensive and they come with a crazy number of vrms and most of them have a heat spreader too.

I smell something wrong with it, one whould think that ITX will be the main target of FM2 platform, and it just does not exist on it.

So yeah the tdp is low, but something is definately wrong with power or heat on FM2.
Small Intel boards had that, too, before Haswell (or they had heatsinks on 4-phase VRMs, and needed them badly). Without the voltage control on the CPU, the mobo's VRMs have to adjust to every large change in current on the chip. TDP is a measure over a long period of time, while the voltage regulation has to be designed for peak instantaneous (well, very short-term) needs, which have not been decreasing on the desktop. I suspect the i3 being sufficient (a better GPU means nothing if you don't need it), sometimes better, and definitely more popular, has more to do with it than technical difficulties, though some of the cost may still reflect additional BOM costs.
 

Shivansps

Diamond Member
Sep 11, 2013
3,873
1,527
136
1156 and 1155 had a LOT more itx boards, the 1155 where cheap too... hell even 775 had more ITX boards than FM2.

Asus and Biostar does not even have FM2 itx, Gigabyte has 1 or 2, Asrock has 2, MSI 1 and ECS has 1 thin itx with very little vrms for some reason.

And thats what about it, there maybe 1 or 2 boards that im missing but thats it, its at least odd, something doesn't add up.
 
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