I can Trinity + HD7750 Dual Graphics!!

623 · Feb 12, 2013

Use Catalyst 13.1 (or later).
Can Trinity + Radeon HD7750 Dual Graphics.
*Radeon HD7770 can't.

My PC
APU:AMD A10-5800K
Motherboard:ASUS F2A85-M PRO (5207)
Memory:G.Skill DDR3-2400 F3-2400C10D-8GZH 4GBx2
Video Card:GIGABYTE GV-R775OC-1GI (Core:880MHz)
OS:Windows 7 Professional SP1 64bit
Driver:Catalyst 13.2beta5

AMD Radeon HD 7760D + 7700 Dual Graphics (A10-5800K + HD7750)
3DMark11

3839
http://www.3dmark.com/3dm11/5886088
3DMark ICE STORM:73573
3DMark CLOUD GATE:9158
3DMark FIRE STRIKE:1976
http://www.3dmark.com/3dm/189570

AMD Radeon HD 7750
3DMark11

3027
http://www.3dmark.com/3dm11/5886660
3DMark ICE STORM:77076
3DMark CLOUD GATE:8381
3DMark FIRE STRIKE:1985
http://www.3dmark.com/3dm/198903

AMD Radeon HD 7760D + 6670 Dual Graphics (A10-5800K + HD6670)
3DMark11

2869
http://www.3dmark.com/3dm11/5911412
3DMark ICE STORM:67439
3DMark CLOUD GATE:7913
3DMark FIRE STRIKE:1703
http://www.3dmark.com/3dm/215182

AMD A10-5800K(HD 7660D)
3DMark11

1618
http://www.3dmark.com/3dm11/5894096
3DMark ICE STORM:59099
3DMark CLOUD GATE:5857
3DMark FIRE STRIKE:993
http://www.3dmark.com/3dm/199402

brandonwh64 · Feb 12, 2013

The APUs in this group can all be matched with a discrete graphics card from AMD to enable “Dual Graphics” functionality. This is essentially a CrossFire solution using the onboard graphics and the discrete card. The HD 6670 and below cards for the 6000 series and the HD 7670 and below for the 7000 series can all be matched with an APU. This should in theory double performance in graphics heavy applications, and in reality it seems to work pretty well. The only issue that we really see is that for a few dollars more a user can get a 7750 (which will not work in Dual Graphics mode) and outperform a DG enabled A10 5800K + HD 7670.

No you cannot.

drdeathx · Feb 12, 2013

77xx series cards won't crossfire....

Law-II · Feb 12, 2013

drdeathx said:
77xx series cards won't crossfire....

Hi

Just for info: HD7770 plus HD7770 and or HD7770 plus HD7750 with *external bridge [note: HD7750 plus HD7750 require no external bridge]

Source - http://sites.amd.com/us/game/technology/Pages/crossfirex.aspx

Edit: Update for clarity

atb (all the best)

Law-II

kenkickr · Feb 12, 2013

drdeathx said:
77xx series cards won't crossfire....

I believe he is meaning 77xx cards cannot crossfire with 76xxAPU's. I thought 75xx on up cards couldn't crossfire at all with 75xx or 76xx APU's since the APU architecture is more in line with the 65xx-66xx series.

TRWOV · Feb 12, 2013

7570 and 7670 are 6570 and 6670 OEM rebags.

Anyway, could someone confirm this? I don't seem to find any official announcement although the 3dmark results are valid which I think is validation enough? :confused:

Nice catch 623

drdeathx · Feb 13, 2013

I know for sure 7770 will not xfire. I had one when I reviewed Trinity and no go.... had to throw a 6670 in.

x6naca6x · Feb 16, 2013

dual graphics

there are some reports that shows A10-5800K's abillity of doing dual graphics with HD7750 in Japanese discussion page.
we can use the dual graphics feature with 13.1 or later driver.

TRWOV · Feb 16, 2013

Well, it could certainly work somehow. After all Llano Xfired with Turks (VLIW5 + VLIW4). Weird that AMD didn't tell anyone about it. Maybe a glitch? It doesn't seem to scale well.

TRWOV · Feb 26, 2013

Hasn't anyone else tried this? Google takes me to this same thread.

olegt · Feb 26, 2013

ll try

TRWOV said:
Hasn't anyone else tried this? Google takes me to this same thread.

Now awaiting of new system - A10-5800K on new 85X chipset.
Arrival at 10 march. Also have 7750 in Intel comp.
Will try to copulate Trinity and 7750.
But actually not nessesary - new AMD system planned to be downclocked HTPC in normal miditower case.

olegt · Mar 24, 2013

Tested! Working!?

A10-5800K on MB Asus F2A85-M PRO

HD 7660D
P1370
http://www.3dmark.com/3dm11/6253561

Asus HD 7750
P2366
http://www.3dmark.com/3dm11/6253834

HD 7660D + HD 7750 Dual Graphics
P2761
http://www.3dmark.com/3dm11/6254031

MxPhenom 216 · Mar 24, 2013

olegt said:
A10-5800K on MB Asus F2A85-M PRO

HD 7660D
P1370
http://www.3dmark.com/3dm11/6253561

Asus HD 7750
P2366
http://www.3dmark.com/3dm11/6253834

HD 7660D + HD 7750 Dual Graphics
P2761
http://www.3dmark.com/3dm11/6254031

With junk scaling. Makes it almost not worth it.

TRWOV · Mar 24, 2013

1370 to 2761 isn't a small jump. A 5800k + 6670 would net about 2500 so it's marginally better but with the 6670 going for $65 getting a 7750 for dual graphics surely doesn't look worth it. Still it's one of those things that are cool just because they work. :toast:

He's using 1333Mhz RAM though... with faster RAM he could get better results... maybe that's what's holding him back.

olegt · Mar 24, 2013

yeauppp

MxPhenom 216 said:
With junk scaling. Makes it almost not worth it.

Not almost. Totally!

This system planned as htpc, file storage and home server. Nice looking, cool and quiet.
And free of any discrete graphics card.
It is just for testing.

SlothX311 · Jun 17, 2013

I can confirm this works.

http://www.techpowerup.com/gpuz/afd66/

http://valid.canardpc.com/2835005

Still working on fine tuning my overclocks, but everything is running well. Able to play borderlands 2, grid 2, blacklight, on high. GTA IV on medium (video RAM bitrate really shows its weakness on this game.) Everything I play is on 1080p.

Hyper 212 +

RCoon · Jun 17, 2013

"For those who require more graphics performance, adding a HD 6670 / HD 7750 to the mix will enable Hybrid Crossfire giving upto approx 80% additional performance in modern gaming titles"

^ That is for AMD Richland.
I'm not aware of Trinity supporting such a feature, and as the above scores show, when it does, it sucks.

brandonwh64 · Jun 17, 2013

His SS is so small its hard to make out what he has

SlothX311 · Jun 17, 2013

Sorry pulled over the screenshot from my thread on another forum. If you look at my CPU-Z validator you can see its a Trinity 5800K. The GPU-z shows dual graphics 7760D and 7700 (not sure why it doesn't show 7750.)

System is
A10-5800K
MSI FM2-A75MA-E35
ASUS HD7750-DCSL-1GD5
Hyper X Predator 8GB DDR3-2133

Runs most games on high settings 1080p. Borderlands 2, GRID 2, Dirt 3, Blacklight Retribution.

I will post results to some benchmarks soon.

Tatty_Two · Jun 17, 2013

i have read consistently across the interwebz that the 7750 works, certainly with Richland, didnt know it worked for trinity though, next question is can you put two 7750's in there and go hybrid trifire?

de.das.dude · Jun 17, 2013

konichiwa,

i think you are running the 7750 only

vawrvawerawe · Jun 18, 2013

why would you get 3 inferior cards rather than upgrading?

drdeathx · Jun 18, 2013

vawrvawerawe said:
why would you get 3 inferior cards rather than upgrading?

I think he mentioned it for arguments sake.

venterror · Sep 5, 2013

can you help me?

hy, i want help please
my system:
A10-5800K with HD7660
8gb ddr3 1333
A85XM-A motherboard
dedicated vcard: hd 7750 from xfx
windows 8 pro x64
problem: i want dual graphic/separate card but it's imposibile. my pc dont boot with that hd 7750 i see the bios, windows loading; but when i am to the windows loggin screen blinkin off/on or something like that. the card it's new , tested on another pc and it's working.. anyone who know the problem?

erocker · Sep 6, 2013

venterror said:
hy, i want help please
my system:
A10-5800K with HD7660
8gb ddr3 1333
A85XM-A motherboard
dedicated vcard: hd 7750 from xfx
windows 8 pro x64
problem: i want dual graphic/separate card but it's imposibile. my pc dont boot with that hd 7750 i see the bios, windows loading; but when i am to the windows loggin screen blinkin off/on or something like that. the card it's new , tested on another pc and it's working.. anyone who know the problem?

As already stated above you need a 6670 or 6650 for hybrid CrossFire.

If you want to just use the 7750, disable the onboard GPU and select PCI-E for boot in the bios. Then, plug the DVI/HDMI into the 7750 and boot up.

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Cooling	Custom Water/ Thermalchill TA 120.3/ Swiftech Apogeee XT/ MCP655/ Swiftech M icrores/ XSPC RX 240
Memory	16G G.Skill trident 2400MHz
Video Card(s)	3 x Radeon 7970
Storage	OCZ Revo Drive 240G
Display(s)	24 inch Viewsonic
Case	Phobia WayCoolIt Test Bench
Power Supply	Nexus 1100 watt

I can Trinity + HD7750 Dual Graphics!!

623

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