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6870 Gpu bottleneck

post #1 of 5
Thread Starter 
So ive upgraded my rig from an 955be to a 2500k and i seem to be at a gpu bottleneck in any game thats gpu heavy i get 50-75% on cpu usage and 100% gpu

im wondering if my 6870 single isnt enough will crossfire even help?
or will i just have 2 6870s bottlenecked

I ask this casue im pretty sure they dont share load. correct?

They just run the same things on both cards?

Im not really sure how it works at any rate if im going to be bottlenecking still with cf 6870s whats a good upgrade?

Even the 6970 sees very little fps improvement for the money. +15 fps top end most games? so is there just no cards out strong enough to make use of
the cpus?

Should i be waiting for the next round of gpu releases?

Also because of my 120hz display i like my average framerate to be in the 90s+ so even tho crysis 2 on ultra with one card runs good at ~40 fps id turn stuff down just to get the 70 on high but id like to not have to.

ideas? and info on how crossfire actually works be sweet!

Thanks in advance
Stevev pc 2.5
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I7 6700k Asus Z170 Pro Gaming gtx 980 ti evga SC 8gigs Corsair 3200 
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Stevev pc 2.5
(15 items)
 
  
CPUMotherboardGraphicsRAM
I7 6700k Asus Z170 Pro Gaming gtx 980 ti evga SC 8gigs Corsair 3200 
Hard DriveOptical DriveCoolingOS
256 Gb Crucial SSDs X2 junk dvdr xspc custom loop Windows10 64 But 
MonitorKeyboardPowerCase
QNIX evo 2 2560x1440 oc96hz +Samsung S23a950d 1... Razer Blackwidow Chroma Tournament edition evga 1000w  Corsair 600T 
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Razer Naga 2014 Razer Goliathus Razer kraken 7.1/ 2.1 stereo speaker set up 
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post #2 of 5
First its normal to have full load on gpu and only half load on the CPU for games. Because the CPU really only handles hard body physics but the GPU has to handle all the lighting and shading plus the soft body physics. Second it depends on the game, some games will support Crossfire/sli and some don't. If it does you will see about a 60% performance boost if the game does not support it you will no gain and in some cases it will make it worse. When properly functioning crossfire/sli the two cards share the load. If you have two of the same cards it should be fairly symmetric load distribution with some bias toward the primary. if they are different i.e. a 6870 + 6850 the loads should be biased toward the faster card.
Sandy Thunder
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QuickSilver X1
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CPUMotherboardGraphicsRAM
i7-3930k C1 4.6GHz @1.344v Sabertooth X79 2x EVGA GTX 560 Ti SC SLI 900/2106 Dominator 1866 16GB 9-10-9-27 
Hard DriveHard DriveCoolingOS
Crucial M4 64GB 'Cuda 320GB XSPC Rasa 750 RX240 push/pull + Alphacool UT60 ... Win 7 Pro x64 
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Asus VE198D 19" Samsung 920NW 19" Samsung 906BW 19" Logitech G510s 
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Corsair HX850M Carbide 400R Cyborg M.M.O. 7 Corsair MM200 
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Bose Music Monitor Nuforce Icon HDP 
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Phenom II x6 1090T BE Sabertooth 990FX Radeon HD 5770 1GB Corsair Veangence Blue 
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WD Caviar Black 1TB  Lite ON 16x DVD-R/RW ThermalRight Silver Arrow Windows 7 Professional 64 bit 
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Syncmaster 921BW 19" & Syncmaster 965 19" and S... Apple aluminum wired keyboard Corsair TX650 Silverstone TJ05 with window and thermal contro... 
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Sandy Thunder
(18 items)
 
QuickSilver X1
(15 items)
 
 
CPUMotherboardGraphicsRAM
i7-3930k C1 4.6GHz @1.344v Sabertooth X79 2x EVGA GTX 560 Ti SC SLI 900/2106 Dominator 1866 16GB 9-10-9-27 
Hard DriveHard DriveCoolingOS
Crucial M4 64GB 'Cuda 320GB XSPC Rasa 750 RX240 push/pull + Alphacool UT60 ... Win 7 Pro x64 
MonitorMonitorMonitorKeyboard
Asus VE198D 19" Samsung 920NW 19" Samsung 906BW 19" Logitech G510s 
PowerCaseMouseMouse Pad
Corsair HX850M Carbide 400R Cyborg M.M.O. 7 Corsair MM200 
AudioOther
Bose Music Monitor Nuforce Icon HDP 
CPUMotherboardGraphicsRAM
Phenom II x6 1090T BE Sabertooth 990FX Radeon HD 5770 1GB Corsair Veangence Blue 
Hard DriveOptical DriveCoolingOS
WD Caviar Black 1TB  Lite ON 16x DVD-R/RW ThermalRight Silver Arrow Windows 7 Professional 64 bit 
MonitorKeyboardPowerCase
Syncmaster 921BW 19" & Syncmaster 965 19" and S... Apple aluminum wired keyboard Corsair TX650 Silverstone TJ05 with window and thermal contro... 
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logitech mx air None Monsoon MM-700 
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post #3 of 5
Thread Starter 
so my bottle neck should go away with games that support crossfire 6870s?
Stevev pc 2.5
(15 items)
 
  
CPUMotherboardGraphicsRAM
I7 6700k Asus Z170 Pro Gaming gtx 980 ti evga SC 8gigs Corsair 3200 
Hard DriveOptical DriveCoolingOS
256 Gb Crucial SSDs X2 junk dvdr xspc custom loop Windows10 64 But 
MonitorKeyboardPowerCase
QNIX evo 2 2560x1440 oc96hz +Samsung S23a950d 1... Razer Blackwidow Chroma Tournament edition evga 1000w  Corsair 600T 
MouseMouse PadAudio
Razer Naga 2014 Razer Goliathus Razer kraken 7.1/ 2.1 stereo speaker set up 
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Stevev pc 2.5
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CPUMotherboardGraphicsRAM
I7 6700k Asus Z170 Pro Gaming gtx 980 ti evga SC 8gigs Corsair 3200 
Hard DriveOptical DriveCoolingOS
256 Gb Crucial SSDs X2 junk dvdr xspc custom loop Windows10 64 But 
MonitorKeyboardPowerCase
QNIX evo 2 2560x1440 oc96hz +Samsung S23a950d 1... Razer Blackwidow Chroma Tournament edition evga 1000w  Corsair 600T 
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post #4 of 5
Plus, not all games will use all four cores of your processor.
Current i5 Rig
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Current i5 Rig
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Core i5-760 (4.0ghz @ 1.28v) GIGABYTE P55-USB3 Asus GTX 770 DirectCU II OC 2GB 4GB DDR3 (XMS3 1600) 
Hard DriveOptical DriveCoolingOS
Corsair Force 3 120gb + 2.5TB HDDs LG Noctua NH-D14 Windows 7 Home Premium x64 
MonitorKeyboardPowerCase
23" Acer X233H + 19" GNR Logitech G110 OCZ ModXStream Pro 700W Coolermaster 690 
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post #5 of 5
Thread Starter 
i understand that most agmes that need the juice support cf and at least 2 cores so im ok with that just wanna be sure when a game wants to stretch its legs it can
Stevev pc 2.5
(15 items)
 
  
CPUMotherboardGraphicsRAM
I7 6700k Asus Z170 Pro Gaming gtx 980 ti evga SC 8gigs Corsair 3200 
Hard DriveOptical DriveCoolingOS
256 Gb Crucial SSDs X2 junk dvdr xspc custom loop Windows10 64 But 
MonitorKeyboardPowerCase
QNIX evo 2 2560x1440 oc96hz +Samsung S23a950d 1... Razer Blackwidow Chroma Tournament edition evga 1000w  Corsair 600T 
MouseMouse PadAudio
Razer Naga 2014 Razer Goliathus Razer kraken 7.1/ 2.1 stereo speaker set up 
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Reply
Stevev pc 2.5
(15 items)
 
  
CPUMotherboardGraphicsRAM
I7 6700k Asus Z170 Pro Gaming gtx 980 ti evga SC 8gigs Corsair 3200 
Hard DriveOptical DriveCoolingOS
256 Gb Crucial SSDs X2 junk dvdr xspc custom loop Windows10 64 But 
MonitorKeyboardPowerCase
QNIX evo 2 2560x1440 oc96hz +Samsung S23a950d 1... Razer Blackwidow Chroma Tournament edition evga 1000w  Corsair 600T 
MouseMouse PadAudio
Razer Naga 2014 Razer Goliathus Razer kraken 7.1/ 2.1 stereo speaker set up 
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Reply
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