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Overclocking GPU - Reaching a FPS plateau

post #1 of 3
Thread Starter 
GPU - Sapphire R9 270

So I tried different GPU core and Memory MHz and I received a boost from the default settings to the max settings allowed using the AMD program. I switched and used msi Afterburner to push the card a bit more and create a better fan speed graph but it seems I can't receive anymore FPS from this card. I recently watched a youtube video about someone overclocking this card and his settings were around 1150/1600MHz. However, I was getting the same performance using 1050/1500MHz. Do you think Furmark is messing up or have I reached my GPU's limit?

post #2 of 3
Do NOT use FurMark as a basis for testing GPU overclock performance. Use 3D Mark, or the Valley benchmark. Also, using MSI AB alongside with the Crimson Drivers can be risky, due to compability issues with them (they do not interact well).
Another thing is, the R9 series should be runing with 125Mhz memory straps - meaning, if your GPU is default clocked at 1400, it will show really close performance if its clocked at 1525 or 1550. It is good to keep it as close as possible to the next strap.

Another thing, if you stop seeing increase in FurMark, it could be that 1st: either you have Vsync enabled and you are already maxing out both min and avg FPS, or 2nd: your CPU is bottlenecking you. What is the rest of your system?
Desktop PC
(22 items)
 
ASUS ROG G72GX
(6 items)
 
 
CPUMotherboardGraphicsGraphics
AMD FX-8320 ASRock Fatal1ty 990FX Killer Sapphire Nitro+ RX480 Sapphire R9 290 Tri-X 
GraphicsRAMHard DriveHard Drive
XFX RX470 Singlefan Mushkin Redline 996996 2x4GB 2133Mhz Maxtor 6Y080L0 80GB 7200 RPM 8MB Western Digital 160GB 7200RPM 8MB 
Hard DriveHard DriveHard DriveOptical Drive
Maxtor 250GB 7200RPM 8MB Corsair Force LS WesternDigital Blue 500GB 7200RPM 16MB ASUS DVD-RW 
CoolingOSOSOS
ThermalTake Frio Silent 14 Windows 10 Enterprise Linux Mint 17.3 Rosa OphCrack 
MonitorKeyboardPowerCase
ASUS VS228HR Logitech K120 Corsair VS650 ThermalTake View 27 
MouseAudio
Bloody V5 Corsair HS30 Raptor 
CPUMotherboardGraphicsRAM
Intel Mobile Core 2 Duo P8700 G72GX NVIDIA GeForce GTX 260M  Hyundai Electronics  
RAMRAM
Hyundai Electronics  Hyundai Electronics  
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Desktop PC
(22 items)
 
ASUS ROG G72GX
(6 items)
 
 
CPUMotherboardGraphicsGraphics
AMD FX-8320 ASRock Fatal1ty 990FX Killer Sapphire Nitro+ RX480 Sapphire R9 290 Tri-X 
GraphicsRAMHard DriveHard Drive
XFX RX470 Singlefan Mushkin Redline 996996 2x4GB 2133Mhz Maxtor 6Y080L0 80GB 7200 RPM 8MB Western Digital 160GB 7200RPM 8MB 
Hard DriveHard DriveHard DriveOptical Drive
Maxtor 250GB 7200RPM 8MB Corsair Force LS WesternDigital Blue 500GB 7200RPM 16MB ASUS DVD-RW 
CoolingOSOSOS
ThermalTake Frio Silent 14 Windows 10 Enterprise Linux Mint 17.3 Rosa OphCrack 
MonitorKeyboardPowerCase
ASUS VS228HR Logitech K120 Corsair VS650 ThermalTake View 27 
MouseAudio
Bloody V5 Corsair HS30 Raptor 
CPUMotherboardGraphicsRAM
Intel Mobile Core 2 Duo P8700 G72GX NVIDIA GeForce GTX 260M  Hyundai Electronics  
RAMRAM
Hyundai Electronics  Hyundai Electronics  
  hide details  
Reply
post #3 of 3
Thread Starter 
GPU - Sapphire R9 270
CPU - AMD FX-8350 4.0GHz 8-Core Processor
Mother - M5A99X EVO R2.0
650w power supply


Does Heaven Benchmark 4.0 work? I just got that benchmark, ill try the ones you suggested.
Edited by Domg839 - 2/2/16 at 11:50pm
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