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  1. #1
    ROG Guru: White Belt Array jarokamaro007 PC Specs
    jarokamaro007 PC Specs
    MotherboardAsus Maximus Hero VII
    Processori7 4790K @ 4.5
    Memory (part number)Corsair Vengeance Pro 32Gb 2133Mhz
    Graphics Card #1Asus R290x Matrix Platinum
    Graphics Card #2Asus R290x Matrix Platinum
    Storage #1Asus RAIDR SSD 240 Gb
    Storage #2WD Blue 1Tb
    CPU CoolerEK Supremacy Evo
    CaseCooler Master Cosmos 2
    Power SupplyEVGA Supernova 1200P
    Keyboard Corsair K70 RGB
    Mouse Logitech G502 Proteus Spectrum RGB
    Headset Logitech G230
    OS Windows 10 Pro

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    FX-9590 cant handle Crossfire Asus R290x Matrix?

    Hi.I just instaled 2nd GPU and i dont have better performance in games (Project Cars,Witcher 3 ) they work better wit single GPU any ideas why is that??

  2. #2
    ROG Guru: Green Belt Array Dr. Zchivago PC Specs
    Dr. Zchivago PC Specs
    Laptop (Model)Lenovo Thinkpad T410
    MotherboardASUS Crosshair V Formula - Z
    ProcessorAMD FX 9590
    Memory (part number)BLE2KIT8G3D1869DE1TX0 (8-8-8-24, 1866 MHz)
    Graphics Card #1ASUS R9 390 STRIX (OC, GAMING)
    Storage #1SG Constellation 6 TB (6x1 TB) RAID 0
    Storage #2SG Constellation 2 TB (2x2 TB) RAID 1
    CPU CoolerNoctua NH-D15
    CaseCaseLabs STH-10
    Power SupplyCorsair AX1500i
    Keyboard Microsoft Sidewinder X4
    Mouse Microsoft Sidewinder X5
    Headset Logitech G930
    Mouse Pad Perixx 900x440x3 mm + Steelseries 320x270x3 mm + ALLSOP hard pad
    Headset/Speakers Logitech G930/Altec Lansing 5.1
    OS Windows 8.1 Pro (64 bit)
    Dr. Zchivago's Avatar
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    My experience would suggest several possibilities, but we'd need more information:

    1. Ensure that you have the absolute latest AMD drivers (I had to update to the newest beta driver to get Crossfire performance for the Witcher 3).
    2. Ensure that your AMD crossfire ribbon cable is correctly connected (I'm sure it is, but it has to be mentioned).
    3. Ensure that the VBIOS for both cards is the same (different card series have different specs sometimes, even on otherwise identical cards)

    You aren't likely to see a doubling in performance with a second GPU, but you should see a little improvement, at least. What is your process that you use to determine performance differences between two cards and one?

    Z
    Resistance is futile (at <1 Ohm).

  3. #3
    ROG Guru: White Belt Array jarokamaro007 PC Specs
    jarokamaro007 PC Specs
    MotherboardAsus Maximus Hero VII
    Processori7 4790K @ 4.5
    Memory (part number)Corsair Vengeance Pro 32Gb 2133Mhz
    Graphics Card #1Asus R290x Matrix Platinum
    Graphics Card #2Asus R290x Matrix Platinum
    Storage #1Asus RAIDR SSD 240 Gb
    Storage #2WD Blue 1Tb
    CPU CoolerEK Supremacy Evo
    CaseCooler Master Cosmos 2
    Power SupplyEVGA Supernova 1200P
    Keyboard Corsair K70 RGB
    Mouse Logitech G502 Proteus Spectrum RGB
    Headset Logitech G230
    OS Windows 10 Pro

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    Hi.I have latest 15.6 Beta Drivers...and same BIOS for both cards..and there is no crossfire cable because those cards using Pcie instead of cable...i games i have no more fps with 2 cards compare to one GPU
    Last edited by jarokamaro007; 07-02-2015 at 12:47 PM.

  4. #4
    ROG Guru: Brown Belt Array NemesisChild PC Specs
    NemesisChild PC Specs
    MotherboardASUS Maximus X Hero (WI-FI AC)
    ProcessorIntel i7 8700K
    Memory (part number)G.Skill F4-3600C16D-16GTZR
    Graphics Card #1Nvidia GTX 1070 Ti FE
    Graphics Card #2Nvidia GTX 1070 Ti FE
    MonitorASUS ROG Swift PG278Q
    Storage #1Samsung 970 PRO 512GB NVMe M.2
    Storage #2WD Black 2TB 7200 RPM 64MB Cache
    CPU CoolerNZXT Kraken X42
    CaseCooler Master HAF 932 Advanced
    Power SupplyEVGA SuperNova 1200 P2
    Keyboard Logitech G910 Orion Spark
    Mouse Logitech G703 Wireless
    Headset Logitech G Pro
    Mouse Pad SteelSeries
    OS Windows 10 Home x64 (UEFI)
    Network RouterLinksys WRT1900AC
    NemesisChild's Avatar
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    You will positively need the AMD crossfire bridge to ensure peak performance.
    Intel i7 8700K@ 5.2GHz (Delidded)
    ASUS Maximus X Hero (Bios 1801)
    NZXT Kraken X42
    G.Skill TridentZ@ 4000MHz CL16 2x8GB
    SLI: 2x Nvidia GTX 1070 Ti FE@ 2025/2025MHz
    OS: Samsung 970 PRO 512GB NVMe M.2
    Storage: Samsung 960 EVO 500GB NVMe M.2
    Storage: 2x Samsung 850 EVO 500GB
    Storage: WD Black 7200 RPM 64MB Cache 2TB
    EVGA SuperNova 1200 P2
    Cooler Master HAF 932 Advanced

  5. #5
    ROG Guru: White Belt Array jarokamaro007 PC Specs
    jarokamaro007 PC Specs
    MotherboardAsus Maximus Hero VII
    Processori7 4790K @ 4.5
    Memory (part number)Corsair Vengeance Pro 32Gb 2133Mhz
    Graphics Card #1Asus R290x Matrix Platinum
    Graphics Card #2Asus R290x Matrix Platinum
    Storage #1Asus RAIDR SSD 240 Gb
    Storage #2WD Blue 1Tb
    CPU CoolerEK Supremacy Evo
    CaseCooler Master Cosmos 2
    Power SupplyEVGA Supernova 1200P
    Keyboard Corsair K70 RGB
    Mouse Logitech G502 Proteus Spectrum RGB
    Headset Logitech G230
    OS Windows 10 Pro

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    Dec 2014
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    sory but there is no crossfire bridge for R290x Matrix platinum....

  6. #6
    ROG Guru: Black Belt Array Korth PC Specs
    Korth PC Specs
    MotherboardASUS X99 R5E (BIOS2101/1902)
    ProcessorHaswell-EP E5-1680-3 SR20H/R2 (4.4GHz)
    Memory (part number)Vengeance LPX 4x8GB SS DDR4-3000 (CMK32GX4M4C3000C15)
    Graphics Card #1NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Graphics Card #2NVIDIA Quadro GP100GL/16GB, 16xPCIe3, NVLink1 (SLI-HB)
    Sound CardJDS Labs O2+ODAC (RevB), USB2 UAC1
    MonitorASUS PG278Q
    Storage #1Samsung 850 PRO 512GB SSDs, 4xSATA3 RAID0
    Storage #2Comay BladeDrive E28 3200GB SSD, 8xPCIe2
    CPU CoolerRaijintek NEMESIS/TISIS, AS5, 2xNH-A14
    CaseObsidian 750D (original), 6xNH-A14
    Power SupplyZalman/FSP ZM1250 Platinum
    Headset Pilot P51 PTT *modded*
    OS Arch, Gentoo, Win7x64, Win10x64
    Network RouterActiontec T3200M VDSL2 Gateway
    Accessory #1 TP-Link AC1900 Archer T9E, 1xPCIe
    Accessory #2 ASUS/Infineon SLB9635 TPM (TT1.2/FW3.19)
    Accessory #3 ASUS OC Panel I (FW0501)
    Korth's Avatar
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    It can depend a lot on which games you play. Some games make poor use of multi-GPU resources, many games are not AMD-optimized (because they're NVidia-optimized), and a few games (like BF4) combine worst-case extremes in a way which gives truly dismal performance gains from CrossFire. Game/Catalyst patches and updates can sometimes help a lot.

    Just covering the basics -
    - Your bridgeless CrossFire link may be saturating the PCIe bus, remove or disable any PCIe cards you don't need. (Oddly, in this instance you might actually see more fps with a regular SATA SSD RAID than with your RAIDR card.)
    - Your BIOS might have options for PCIe lane allocation or signal prioritization which can help.
    - You could also try bumping your PCIe bus voltage in the BIOS. This doesn't ever seem to really do anything useful (and is usually best left untouched), but this seems like a situation where it could make a real difference.
    - Your two 290X cards will suck a lot of power at full load, hopefully your PSU is beefy enough and you've used the optional GPU-boosting motherboard power connector so the GPUs aren't being throttled. (I think your 1300W PSU should be good enough ... but those high-end AMD cards are real powersucking heat pigs.)
    - Your system might be throttling the GPUs because they're too hot, if so then you need a GPU cooling upgrade.
    Last edited by Korth; 07-02-2015 at 08:04 PM.

  7. #7
    ROG Guru: Green Belt Array Dr. Zchivago PC Specs
    Dr. Zchivago PC Specs
    Laptop (Model)Lenovo Thinkpad T410
    MotherboardASUS Crosshair V Formula - Z
    ProcessorAMD FX 9590
    Memory (part number)BLE2KIT8G3D1869DE1TX0 (8-8-8-24, 1866 MHz)
    Graphics Card #1ASUS R9 390 STRIX (OC, GAMING)
    Storage #1SG Constellation 6 TB (6x1 TB) RAID 0
    Storage #2SG Constellation 2 TB (2x2 TB) RAID 1
    CPU CoolerNoctua NH-D15
    CaseCaseLabs STH-10
    Power SupplyCorsair AX1500i
    Keyboard Microsoft Sidewinder X4
    Mouse Microsoft Sidewinder X5
    Headset Logitech G930
    Mouse Pad Perixx 900x440x3 mm + Steelseries 320x270x3 mm + ALLSOP hard pad
    Headset/Speakers Logitech G930/Altec Lansing 5.1
    OS Windows 8.1 Pro (64 bit)
    Dr. Zchivago's Avatar
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    Korth covered everything I was going to say. +1

    Z
    Resistance is futile (at <1 Ohm).

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