Good temp for cpu stress test 6700k3/15/2023 ![]() ![]() Out of all of Intel's current top-of-the-line processors, it is the cheapest offering that is the most powerful - the Core i7 6700K.įirst up though, a bit of background. įor stability testing I recommend Asus RealBench.The battle royale: if money is no object, what is the fastest gaming CPU money can buy? It's a question we recently set out to answer and the results were quite remarkable. Intel Extreme Tuning Utility - CPU Stress Test: 94%įor thermal testing I recommend Prime95 Version 26.6 Small FFT's. IntelBurn Test - High: 120% (IBT is NOT an official Intel utility) Intel Processor Diagnostic Tool - CPU Stress Test: 90%ĪIDA64 - System Stability Test - Stress CPU: 64%įluctuating workload stability test utilities (in order of typical % Workload peak): Steady-state workload thermal test utilities (in order of typical % Workload): A steady-state 100% workload is critical for thermal testing. Note the steady-state thermal signatures of Small FFT's, which allows accurate measurements of Core temperatures. Shown above from left to right: Small FFT's, Blend, Linpack and Intel Burn Test. The "Charts" in SpeedFan span 13 minutes, and show how each test creates different thermal signatures. ![]() ![]() There are no other utilities which offer a steady-state workload so close to stock TDP. And since Small FFT's is a steady-state 100% workload that produces steady Core temperatures, it's the perfect test for thermal testing (not stability testing) because it so closely replicates Intel's TDP lab tests to give you a valid thermal baseline. TDP is precisely why I recommend P95 V26.6 in my Intel Temperature Guide. Keep in mind that "CPU Utilization" does not always equal "CPU Workload".ĭepending on BIOS versions and applied Vcore, when most motherboards are configured to run Intel processors at Default / Stock settings, Core Temp and other utilities that measure Power (Watts) will show that Prime95 V26.6 Small FFT's will load i7 and i3 processors typically within 3% of their Thermal Design Power (TDP). Task Manager may not always correctly report CPU Utilization. Sorry, but your statement that I put in bold is not accurate. I read anywhere from 10-20C cooler, but the CPU load is also off for the earlier version, but the Task Manager will verify the 100% core load. So I'll download 26.6 when I get home and try that again. I've also just read about the newer versions of Prime95/AIDA64 being a bit overkill for the current gen iCore processors. I'll have to throw something up and post the results. I haven't done any real-world workload testing yet, as I was just trying to stress test first to see how things ran. What are your temperatures under real-world workloads? Throttle temperature (what Intel programmed the CPU to stay under for long-term reliability) is 100c. Typical desktop workloads do not use AVX2 instructions, so Prime95 after 26.6 is not representative of typical desktop worloads.Ģ) 85-87c will not hurt your CPU, though it's a bit warmer than is ideal. When AVX2 instructions are used, the CPU increases its voltage by 100mv, which causes excessive temperatures. I'll have to dive into it again once I get home, but I really don't think 85C should be possible with the liquid cooling in effect.ġ) Prime95 is not recommended for stability testing anymore, at least not versions past 26.6, because it uses AVX2 instructions. Running Phantom 530 Case with enough fans (NZXT Airflow Series - 200mm front, (2) 140mm top pulling through X40), and 140 pushing out). Coolant temperature stays fairly low during benchmark. CAM recognizes X61 fans and temperatures. Could physically hear water flowing in the X61, and fans are working. Double-checked paste between cooler and CPU I've already run Intel's Processor Diagnostic Tool, and that passes (not sure if that says anything). Load up Prime 95, and start the Stress Test (for max heat/CPU only), and the temperatures shoot up to 80, and steadily increase to about 85-87 within 10 minutes. Temperatures idling around 25-30C, which seems great! (Intel states the 6700k idles about 30-40C, pending ambient temperature) Start computer, load OS, everything running fine. Replaced the thermal paste between the Kraken and I7 with Arctic Silver 5. I threw everything together with caution, testing all main hardware pieces with power/POST each new piece I added (the Sabertooth has an awesome LED POST notification on the board!) ![]()
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