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7950 OC crashing Heaven benchmark but nothing else.

post #1 of 4
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As some of you may have seen I got a new 7950 yesterday. I have it OC'd currently at 1150 / 1450 on stock volts and it runs BF3 flawlessly with no crashing or artifacting. However I wanted to run a Heaven benchmark to compare it to what the card was stock and it crashes within the first 5 seconds of it starting. I can run Furmark and OCCT no issues no errors. Not sure what to make of it.

Also with my OC where it is at on stock volts. It doesnt want to go anywhere past 1150 even with voltage being upped to 1.26 and yes I have moved the power slider to +20%.
Blue Monster
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AMD FX 8350 @ 5.0Ghz on 1.5V Asus Sabertooth Rev 2.0 Gigabyte 7950 WF3 1250/1600 OC on 1.3V AIR 8 GB GSkill Ripjaw X 
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Blue Monster
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Hard DriveHard DriveOptical DriveCooling
2 x Seagate Barracuda 1TB  1x Kingston Hyper X 120GB SSD Asus Combo 7x120mm CM and 1x200mm CM 
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Raystorm RS240 Windows 7 Ultimate 64 Bit Asus 21.5" 1080P full HD 850W Coolermaster M Silent Pro 
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Coolermaster HAF 912 
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post #2 of 4
As long as card works with games, it does not matter what happens in heaven, but it may be a sign that the factory oc is at its limits, point being it crashes even when you increase volts.

If you still want to push it though, lower memory a bit and see if you can gain some vcore that way, which is more beneficial anyway and may result in more performance gains.
 
BitoHeaven
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BitoHeaven
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G.Skill Trident X 2X8GB DDR3 2400MHz Samsung 840 PRO 256GB  Seagate Barracuda 7200.14 3TB SATA III 6Gb/s 64... Pioneer Blu-ray Burner 
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Liquid Single Loop Triple Radiators Win 7 SP1 Professional x64bit  Samsung SynchMaster 24" Widescreen 1200p TFT-LC... Logitech G15 
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EVGA SuperNOVA G2 1300w 80+ Gold Fully Modular  Fractal Design Arc Midi R2 Microsoft Sidewinder X5 Allsop Redmond Mouse Pad 
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Cambridge Soundworks 5.1 
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Intel Core i5-3570K @ 4.6GHz ASRock Z77E-ITX mITX  Sapphire HD 7990 @ 1090MHz/1600MHz G.SKILL Ripjaws 2X4GB DDR3-1600 @ 1866MHz 
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Crucial SSD 128GB mSATA SATA III 6GB  Seagate Barracuda 7200.12 1TB SATA II 32MB 7200RPM LG DVD R/W SATA with LightScribe Corsair Cooling Hydro Series H100 
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Win 7 Professional x64bit Samsung 52" 1080p 60Hz LCD Logitech Wireless K330 Corsair AX850 Gold Fully Modular 
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BitFenix Prodigy Mini-ATX Black  Logitech Wireless M215 Corsair Vengeance MM200 Yamaha RX-V681 & PSB/Polk Audio 5.1 
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AMD Athlon II X4 640 ASRock N68C-GS NVIDIA 6600GT G. Skill Ripjaws DDR3 1600MHz 
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WD Caviar Blue 500GB 16MB Cache 7200RPM LG Optical Drive Thermaltake Max Orb Windows 7 
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post #3 of 4
Heaven actually uses VRAM, the other two stress tests don't. You could probably back down your VRAM clock a bit, or up the voltage on the VRAM with afterburner. Also note that not all cards are at their most stable at +20% to the power, mine is happy at %10 and artifacts at anything higher.

I think heaven is due for an update myself. I get artifacts in one specific spot of the test and nowhere else, at any clock, at any power setting, and I can run any games or any other benchmark flawlessly OC'd or not. Just for that 1 second in Heaven though, it looks like my card artifacts.
My Mangled Mess
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My Mangled Mess
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Intel Core i7 5930k Asrock X99 OC MSI R9 290x Lightning Kingston HyperX Predator DDR4 3000 
Hard DriveCoolingOSMonitor
OCZ Vertex 4 Custom loop Windows 7 64-bit TBD 
KeyboardPowerCaseMouse
Das Professional S series Seasonic SS-1250XM NZXT H630 Saitek Cyborg M.M.O. 7 
Mouse PadAudioOtherOther
Razer Invicta Asus Essence STX II 7.1 w/daughterboard Thrustmaster Warthog Joystick CH Pro Flight Throttle (soon) 
Other
Saitek Pro Flight Pedals 
CPUMotherboardGraphicsRAM
Intel i5 2500k @4.7 stable Gigabyte Z68ap-d3 Sapphire Radeon HD 7970 @1250/1750 8gb Samsung low profile green series 
Hard DriveHard DriveOptical DriveCooling
500gb, WD caviar blue OCZ Vertex 4 128gb SSD 24x dvdrw XSPC RASA RX360 kit 
OSMonitorKeyboardPower
Windows 7 23" Acer Rosewill RK9000 w/MX cherry black switches PC Power and cooling 950w 
CaseMouseMouse PadAudio
NZXT Switch 810 Cyborg M.M.O. 7 Razer Scarab  Asus Xonar D1 
AudioAudio
Energy Take Classic 5.1 Home Theater Speaker Sy... Sony STRDH520 7.1 AV Receiver. 
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post #4 of 4
Same here, my card would artifact slightly in that part of the test but would be rock solid in games like BF3 and Crysis 2. Usually, adding another 25mv would do the trick.
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