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I Just got a new 4770k. I was fully aware beforehand that overclocking isn't as clean and easy as a sandy bridge or even ivy bridge CPU, but myn seems to be worse than I've seen on any thread. With the stock heatsink, my temps at stock were getting to about 37-39 idle with 85-87 load. Verified it was seated properly multiple times, and finally switched to Arctic Freezer Pro, with 35 idle 83 load, then finally to Corsair H80i with 29 idle 69 load. Ambient temps only about 20c, high up in idaho.. Now I have been trying to overclock, but no matter what I try, at just 4.2ghz, it will be completely unstable at anything under 1.295 vcore. Everyone else seems to get "unlucky" ones that take 1.20v at 4.3ghz. What am I missing? I've tried not messing with the ring ratio / voltage, and also putting ring ratio to a variety of voltages and clocks, but no change in stability. I cant go a hair above 4.2ghz either without being unstable, and even with the h80i, my temps at this voltage are hitting 83c at load. MSI Z87A-GD65 motherboard, 16b DDR3 1666mhz 1.5v ram kept at stock voltage and clocks.

Hello, This is the first computer that I've built, and I'm having problems to overclock this processor ... I can make it stable at 4.3 with Vcore offset of -0015 and +0012 in the Additional Turbo Voltage. However, if I try to put 45 or even 44 in multi, windows does not load, it gets stuck on the screen that shows the Windows logo (windows 7 x64). Anyone have any tips, or can assist me in any way? I would really like to use 4.5GHz 24/7. Thank you!

Hi! I just received my new rig a few days ago, went ahead and built it, then installed the os and all the soft and overclocked it sucessfully to 5ghz. Here are my components : http://http://www.newegg.ca/Product/Product.aspx?Item=N82E16817139010 CORSAIR HX750 750W Modular http://http://www.newegg.ca/Product/Product.aspx?Item=N82E16811119225 COOLER MASTER HAF X http://http://www.newegg.ca/Product/Product.aspx?Item=N82E16813131830 ASUS Maximus V Gene LGA 1155 Intel Z77 http://http://www.newegg.ca/Product/Product.aspx?Item=N82E16819116504 Intel Core I5-3570k 3.4Ghz http://http://www.newegg.ca/Product/Product.aspx?Item=N82E16814125422 Gigabyte GTX 680 2GB OC http://http://www.newegg.ca/Product/Product.aspx?Item=N82E16820231428 G.Skill Ripjaws X DDR3 1600 CL9 16GB (4 x 4 GB) http://http://www.newegg.ca/Product/Product.aspx?Item=N82E16829102048 Creative Sound Blaster Z (still has not arrived.. should be coming in soon) http://http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=59_202_972&products_id=33549 XSPC RX360 Premium kit with Rev 2 Radiator, D5 Pump, 2000 rpm fans, Primochill primoflex Avanced lrt tubing and Compression fittings Set up in push-pull with the 2 x 200mm fans of the case http://http://www.performance-pcs.com/catalog/index.php?main_page=product_info&cPath=36_48&products_id=28854 NestQ FanMax 5.25'' Fan Controler The I put in an old ocz vertex 2 ssd in there with a seagate barracuda 3tb HDD I had from my old computer. Here are my UEFI Bios settings(the ones I changed from the default, all other will be set at default settings) : Ai overclock tuner : X.M.P. BCLK Frequency : 100.0 (default but thought it would be relevant to write it here) Turbo Ratio : Manual Ratio Synchronizing Control : Enabled 1-Core Ratio limit : 50 Internal Pll Overvoltage : Enabled Cpu Voltage : Manual Cpu Manual Voltage : 1.375 Cpu Pll Voltage : 1.8 (Auto usually has it running at 1.816-1.82, so I set it at 1.8 which is a little lower so cooler) Cpu Spread Spectrum : Disabled BCLK Recovery : Disabled In Cpu Advanced power management : CPU Ratio : 50 Enhanced Intel Speedstep Technology : Disabled CPU C1E : Disabled (was causing my cpu to throttle even with Speedstep disabled) CPU C3 Report : Disabled CPU C6 Report : Disabled CPU C7 Report : Disabled In DIGI + Power control: CPU Load-Line Calibration : Ultra High Cpu Voltage frequency : Manual CPU fixed frequency : 350 Cpu Power Phase control : Extreme Cpu Current Capability : 140% Cpu Thermal Control : 130 In Advanced Tab: Internal Adaptive Thermal Monitor : Enabled Active Processor cores : all Limit CUPID Maximum : Disabled Execute disable Bit : Enabled Intel Virtualization Technology : Disabled Hardware Prefetcher : Enabled Adjacent cache line Prefetch : Enabled So This is my setup. I am running the Watercooling kit on the CPU only but plan to buy a GPU block to add it to the loop later on. I have tried changing the pll voltage down a bit (1.7, 1.75) but my OC gets unstable. I also tried to turn down load line calibration which on High seemed to be doing fine but had a Prime95 crash on blend mode after about 8 hours. As is, I have completed a 100 tests on Very High in IBT with success and then a 12 hour run on Prime95 blend mode without any errors. I really reached my wall at 5ghz cause at 4.9 Ghz I could have a 12 hour prime95 blend run completed without errors on 1.325 vcore, 1.8 pll, high load line calibration and everything else set as with this config with really low temps. I used the X.M.P. option so I'm running my memory at the recommended settings : 1.5v 1600 mhz 9-9-9-24. Right now while running Prime95 my temps are at 32 degrees for the minimum heat on my 3rd core(hottest core), and 82 Degrees maximum heat on the same core. Average temp while running prime95 blend is about 67 on the hottest core. While running very cpu intensive games (I'm mostly a gamer and movie/music listener.. I don't use it to compile or any other proffesional needs except the occasional visual studio build compilation) like Arma II : operation Arrowhead my average temps are about 45 degrees on the hottest core (3rd) @ about 45% CPU utilization. I was wondering if you guys would do any further tweaks to the settings or if you would change anything to get more performance with less heat or anything of the sorts. I would also like to know if this is suitable for a 24/7 setup. I never close my computer... well only if I leave on a trip for several days. I want to be sure this is going to be safe as an everyday OC. I also have a 2nd screen where I have RealTemp and CoreTemp set up to monitor my temperatures so I will always be able to see (thinking of installing rainmeter up again with the meters so I don't have to open the softwares every time I reboot). Here are some pics : http://http://valid.canardpc.com/2686182 **** CPU-Z Validated ***** *Once I completed my 12 hour stress tests I forgot to take a screen shot and closed Prime95, same thing with IBT.. so I started it again now on my 6th hour... will re-post fresh pics of it when it's done and successful.* Also using firefox while running the tests .. watching vids on youtube So yeah like I said, any tweaks you guys would make? Any changes to my settings would be more optimal? Is this a safe OC for 24/7 oriented towards gaming and media playback? Are these good results ? Please, I'd appreciate any feedback at all