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CCC not keeping clocks?

post #1 of 3
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I recently overclocked my 7970 to 1000/1400 and was rather satisfied. However, when I opened GPU-Z to monitor the clocks while gaming today, it said that my clocks were at a maximum of 925/1375, which are the stock clocks for the 7970.

I found this weird as the clocks in my CCC have been applied, together with the 'power limit' raised by 20%.
I did a fresh install of the driver and clocked it this time, to 1100/1500. It stuck for awhile and I verified that using OCCT's stress test with GPU-Z watching in the background.
But after a game of Sleeping Dogs and GTA V, I fired up GPU-Z again only to realise that the same was happening. CCC reported my overclock but GPU-Z was reading only stock clocks.

Here's a screenshot to show the issue at hand:


What's going on? I've Googled for this and most threads just end with people re-installing the driver and going "Hey! It works again!" but they probably never stuck around long enough to open up CCC a few hours later and find that their clocks were screwed again.
T8
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T8
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T6
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T5
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CPUMotherboardGraphicsRAM
Intel Core™ i5 2400 @ 3.0 ASROCK Z68 Pro 3 M AMD Radeon HD 6950 Shader Unlocked, @ 900/1400 2x KVR1333D3N9/4G 
RAMHard DriveHard DriveHard Drive
2x KVR1333D3N9/2G Plextor M5S 128GB Western Digital Caviar GreenPower WD5000AACS Western Digital Caviar WD2500JS 
Optical DriveCoolingOSMonitor
LiteON iHAS324 DVD-RW DL Thermaltake Water 2.0 Pro w/ AVC DS12025B12U Windows 7 Home Premium x64 Dell Ultrasharp U2211H 
KeyboardPowerCaseMouse
Rapoo V500 (Kailh Yellow) FSP Aurum AU-400 400W 80PLUS Gold CoolerMaster Silencio 352 CoolerMaster Storm SPAWN 
Audio
Fenda F&D H200 2.0 USB Powered 
CPUMotherboardGraphicsRAM
Intel Core i3 2100 @ 3.0 ASROCK Z68 Pro 3 M AMD Radeon HD 5770 1GD5 (Reference) 2x KVR1333D3N9/4G 
RAMHard DriveHard DriveOptical Drive
2x KVR1333D3N9/2G Transcend SSD370 128GB WD Scorpio Blue WD7500BPVT Samsung SH-223C 
CoolingCoolingOSMonitor
Thermaltake Water 3.0 Performer-C AKASA Ball Bearing Windows 7 Home Premium x64 Dell Ultrasharp U2311H 
KeyboardPowerCaseMouse
Armaggeddon Strike Eagle MKI-3 (Kailh Red) Dell (Foxconn) F320EM-00 320W 80PLUS Gold CoolerMaster Elite 341 CM Storm SPAWN 
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Dell USB Powered 2.0 
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post #2 of 3
Try Afterburner, when I overclocked with my reference 5870 I always use Afterburner because CCC limited the overclocks.
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Skylake Is Here!
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Samsung 950 Pro M.2 512GB  Crucial BX100 250 GB SanDisk SSDPlus 240 GB NZXT Kraken X61  
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Windows 8.1 & 10 Dell UltraSharp 2913WM 21:9 2560x1080 Ducky Shine 4, CODE WASD, Deck Legend, G710+ EVGA SuperNova G2 850W 
CaseMouseMouse PadAudio
Phanteks Enthoo Evolv ATX Mid-Tower Ducky Secret SteelSeries Fostex Purple Heart TH-X00 
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post #3 of 3
If you do use Afterburner make sure to disable overdrive in the CCC as they don't play nice together.
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