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FX8350 w/ xfx7970 ghz and saphire 7950 w/boost crossfire question about PSU - Page 2

post #11 of 13
Thread Starter 
First thanks for all of your guys input. I really appreciate it. It's nice to hear from people who have similar setups

Ok so here is what happened and I'm calling everything good until I can upgrade my PSU. At both cards at stock speeds I get quite a bit of micro-stutter. I assume this comes from the 7950 not keeping up with the 7970. When I leave the 7950 stock and downclock the 7970 to 925/1250 the stuttering goes away and I'm getting high usage on both cards. Crysis 3 dips into the 45fps range in a couple areas where it was dipping into the 25 to 30 range, so I'm happy with that. Max everything with 1xSMAA. I can't get it to work on MGS Ground Zeroes. I assume that's an issue with the game. Hopefully that's not the case with Phantom Pain when I pick that up. Either way on single card performance I can between 45 and 50 fps on that game and it looks buttery smooth so I won't complain. For the first few minutes of Metro 2033 Redux they don't seem to want to push out any power, but once I open that first gate everything works super smooth and constant 60 fps on highest settings with no SSAA. That's actually the first time I've used SSAA. That's a killer seriously lol. It's doubling my resolution from 1080p though I guess ha ha.

All in all I'm happy now. I'll keep it at these clocks until I can get an 850 or bigger PSU. Starting to think I don't need a 1000 watt even when I overclock the cards and my processor.

Cheers everyone and once again sorry for my other post.
Edited by TheGrymelocke - 10/26/15 at 6:03pm
post #12 of 13
Np easy way to think. 300w for cpu and 300 for gpus (each-they are hard locked at 300w )

Just a FYI fx really starts shining at 2133 or higher ram.

1 kw would be a good point to be at but it is not needed
USS CLM8-1701
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USS CLM8-1701
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Her Venom
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CPUMotherboardGraphicsGraphics
AMD FX-8350 Gigabyte 990FXA-UD7 R7970-2PMD3GD5/OC  R7970-2PMD3GD5/OC  
GraphicsGraphicsRAMHard Drive
R7970-2PMD3GD5/OC  R7970-2PMD3GD5/OC  F3-2400C10D-16GTX  OCZ Agility 3 120GB  
Hard DriveHard DriveHard DriveOptical Drive
OCZ Agility 3 120GB  Seagate Barracuda 1TB  Segate Barracuda 3TB Rosewill RCR-IM5001 USB2.0 75 in 1 internal Car... 
Optical DriveCoolingCoolingCooling
Pioneer BDR-208DBK Blu-ray Writer Swiftech H20-220 EDGE HD Liquid Cooling Kit Swiftech Komodo 7970 Swiftech MCP-35X2 
CoolingCoolingCoolingCooling
Swiftech MCP35X2 Heat Sink Swiftech MCP35X Reservoir Swiftech Komodo 7970 Swiftech Komodo 7970 
CoolingCoolingCoolingCooling
Alphacool 240mm XT45 Alphacool 120mm XT45 Alphacool 120mm UT60 FrozenQ PC Mods UV Meteor Light Limited Edition... 
CoolingCoolingOSOS
Koolance Radiator Mounting Bracket with Quick-R... Swiftech Komodo 7970 Windows 7 Windows 8  
MonitorMonitorMonitorMonitor
ASUS VG248QE Black 24" 144Hz 1ms  ASUS VG248QE Black 24" 144Hz 1ms  ASUS VG248QE Black 24" 144Hz 1ms  XFX FXTRISTAND Triple Display Monitor Stand  
KeyboardPowerCaseMouse
Logitech G510 XFX pro 1250w black edition Caselabs MAGNUM M8 Case Razer Naga 
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8350 batch 1229 pgn  Asus Crosshair V Formula-Z gigabyte 7770 OC gigabyte 7770 OC 
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Pioneer BDR-208DBK Rosewill RCR-IM5001 USB2.0 75 in 1 internal Car... Swiftech MCP-35X White Top Swiftech Quiet Power 240  
CoolingOSOSMonitor
Swiftech Apogee HD Windows 7 Windows 8 LG E2242 
MonitorKeyboardPowerCase
LG E2242 RAZER Black Lycosa Mirror Special Edition Seasonic x660 Cooler Master Storm Stryker 
Mouse
Razer Lachesis 
CPUMotherboardGraphicsRAM
FX 6100 Sabertooth 990fx R2.0 XFX 7770 Core Edition Samsung 1600 2x4 
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post #13 of 13
Quote:
Mr Dark I apologize. Wasn't trying to be rude. The word "Bottleneck" is my pet peeve. Sorry. VBE7 says my 7970 ghz is only 200w tdp and my 7950 is 230w tdp lol. Weird

no worry all gamer hate "bottleneck" it's an Nightmare biggrin.gif

I have the same on my cards before 190W as stock TDP on the 280x and 230W for the 7950 never have problem before just push the 7950 to 1100/1500 and the 7970 at 1000/1500 and you will see identical gpu usage& stable fps & stable frame time and keep the 8350 @4ghz you will be fine thumb.gif
   
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The White Dark
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Intel Core I7 7700k Quad Core OC 5.1Ghz 1.344v Asus Z270 IX Code Nvidia GTX Titan-X Pascal 12GB Corsair Vengeance RGB 16GB 3000/C15 
Hard DriveHard DriveCoolingOS
Samsung Nvme 960 Evo 500GB Pny CS1311 480GB ThermalTake Water 3.0 Extreme 360m + Triple Rin... Windows 10 Pro 64Bit 
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Asus VG24QE 1080p 144Hz Razer Blackwidow Chroma  Evga SuperNova 850 B2 Corsair 780T White + Asus Front Base  
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Steelseries Rival 100  
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Intel Core i7-5960X Haswell-E 8-Core 3.0GHz LGA... MSI X99A GODlike Gaming Extreme Gaming Intel X99 MSI GTX 1070 Gaming-X 8GB SLI MSI GTX 1070 Gaming-X 8GB SLI 
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Corsair Vengeance led 64GB 8*8GB 2666Mhz Samsung 950 Pro 256GB ( Boot )  Samsung 850 Evo 1TB  Samsung 850 Evo 1TB  
CoolingOSMonitorKeyboard
Corsair H110i + SP140 Push/Pull Windows 10 Pro 64Bit Asus PG278Q 2560*1440p 144hz Gsync Razer BlackWidow Chroma Clicky Mechanical Gamin... 
PowerCaseMouseMouse Pad
Evga SuperNova 1300G + Red Sleeved Cabel's Corsair 780T Black + Nzxt HUe +  Razer Mamba Tournament Edition - Professional G... Corsair Extended pad 
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Creative Sound Blaster-Z 
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Samsung 950 Pro 256GB in Raid 0 Samsung 950 Pro 256GB in Raid 0 Samsung 850 Evo 1TB  Samsung 850 Evo 1TB  
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Corsair H110i + SP140 white fan's Microsoft Windows 10 Pro 64bit Asus PG278Q 2560X1440p 144hz Gsync Razer BlackWidow Chroma RGB Mechanical Gaming 
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