High temperature with minimal voltage EVO 212 (i5 4690k)
High temperature with minimal voltage EVO 212 (i5 4690k)
Hello, community
I've been browsing the forum for a few days and still haven't found anyone experiencing the same issue.
Configuration details:
- CPU: I5 4690k
- Cooler Master EVO212
- Motherboard: Gigabyte z97x gaming5
I'm attempting to overclock my CPU. It's currently running at 4.2 GHz and 1.16V, but with Prime95 it's heating up to 93 degrees. The issue is that reducing the voltage from 1.2V to 1.16V didn't lower the temperature at all. I've run small FFTs and read about AVX2 potentially causing problems, but turning it off would give misleading temperature readings under load. Overall, temperatures remain stable around the same level. I've tried 4.4 GHz, 1.22V, and 4.2 GHz with 1.16V—temperatures max out at 90 degrees in both cases. When monitoring during Avida64, temps are typically around 70 degrees. LinX also shows a lower maximum temperature compared to Prime95. I also notice my fan speed never exceeds 1600 RPM and the recommended max is 2000 RPM for the EVO212.
I'm mainly doing this for streaming video games. Idle temps are below 40 degrees, and gaming temps around 60 degrees.
Questions:
1) Should I focus on the peak temperatures during OC (yes, I've seen a temperature guide suggesting 80 degrees as an upper limit)? The issue is that max temps are often over 90 degrees while monitored ones stay near 70 during stress tests.
2) Which temperature limits apply for Prime95, Avida64 stability tests, and LinX? Should I prioritize watching the max temp or the observed current one most of the time?
3) A clear step-by-step guide on how to boost fan speed to 2000 RPM when temps are above 70 degrees?
More info about my hardware:
https://imgur.com/a/jxR8EJM
I'm doing this for the first time and not very familiar with electronics or programming.
About OCing, I understand the process: increasing the multiplier until stability is lost (through stress tests without blue screens or restarts), then raising voltage to allow a higher multiplier increase but also raising temperature—this defines the stable overclock range. Please correct me if I'm misunderstanding.
Thanks in advance.
I think about 85c as the limit for stopping a stress test. That’s the standard for OCCT.
If your test doesn’t succeed, adjust your multiplier or increase the voltage. Watch with cpu-Z; I wouldn’t exceed 1.3v.
Your motherboard’s BIOS should include a fan control area. This is where the CPU cooling fan will be managed. The level of detail can differ depending on the motherboard.
AVX can cause unusually high temperatures, so you might need to reduce the multiplier if heavy AVX usage is expected.
A few notes:
I notice your airflow setup isn’t ideal.
Take out the extra drive caddies so front intake air reaches your components better.
I assume you have a fan?
1. On maximum temperature:
Be cautious, the CPU may slow down or shut down to safeguard itself if it detects an unsafe heat level. This is typically around 100°C.
An 85°C limit is suitable during stress testing.
This is the standard setting with OCCT.
2. The key metric to keep track of is your vcore. It should stay below 1.3v.
Use cpu-Z to monitor this.
Understand that how high you can push a 4690K depends largely on your luck in securing a quality chip.
Your overclocking process is correct. Increase the multiplier slowly until you hit the boundaries.
The cm hyper212 is a common budget cooler, though not the optimal choice.
What is your room temperature?
You should expect around 10-15°C above ambient.
Any cooler requires a strong airflow to effectively cool both the CPU and GPU.
If you remove the case covers and use a fan directly on the internal components, does this assist?
If it does, consider looking into case cooling solutions.
On maximum temperature:
Be cautious, the CPU may slow down or shut off to safeguard itself if it detects a high heat level. This threshold is about 100°C. An 85°C limit is suitable during stress tests. This setting is the standard with OCCT.
The main metric to watch is your vcore. It should stay below 1.3v. Use cpu-Z to track this. Understand that how much you can push a 4690K depends largely on your luck in securing a quality chip. Your overclocking process is correct; gradually increase the multiplier until you hit the limits. The cm hyper212 is a common budget cooler, though not the optimal choice. What is your room temperature? I expect around 10-15°C above ambient. Any cooler requires a strong airflow to effectively cool both the CPU and GPU. If you remove the case covers and blow directly into the interior, does this help? If yes, consider case cooling options.
How can my Vcore rise above the upper limit set in BIOS to 1.19v?
My ambient temperature is 28°C, with idle between 38 and 43°C (43 on the first core). I’ve tried OCCT, which consistently shows around 65°C. When using Prime95 it exceeds 90°C (with small FFTs, intense heat, FPU stress, data stays in L2 cache; RAM testing hasn’t been done much) – constantly. LinX reaches a maximum of 85°C and fluctuates between 60 and 85°C. It confuses me because these programs give different readings.
I know Prime95 measures core temperature under full load, while LinX simulates real-world usage with variations. On the other hand, OCCT provides a stable 65°C, which differs from both. Currently at 4.3 GHz and 1.19v, the max temperature with Prime95 is about 94°C, while LinX reaches 85°C and fluctuates between 60 and 85°C. It’s puzzling since the results vary so much.
What are your thoughts on configuring your voltage and multiplier? Can you clarify these differences?
Various stress testing applications offer different procedures. Some focus on calculating prime numbers efficiently, while others aim for peak performance. Intel burn tests target high CPU temperatures, which isn’t typical for regular apps. Certain evaluations use AVX instructions that are uncommon but create unusual CPU demands. The CPU-Z tool for stress testing may perform well compared to others. Unless you’re aiming for maximum overclocking, slowly increase the multiplier and observe the results. On most motherboards, leaving voltages on auto is reasonable. If a failure occurs, reduce the multiplier slightly. Use cpu-Z to monitor and HWmonitor for temperature tracking. Lower the overclock by a step if temperatures reach 85°C or if the core voltage nears 1.3v. I’m unsure if any stress tester provides a balanced mix of instructions suitable for average gamers.
I know which stress test to use.
My PC is intended for playing World of Warcraft and streaming on Twitch/YouTube with OBS.
I completed a 10-hour stability test using AIDA 64, which showed stable performance.
Then I ran Prime95, where temperatures reached the maximum and the system crashed.
It was running at 4.2ghz and 1.13v, with fixed voltage and no auto adjustment.
Question:
1) What are the safe maximum temperatures during Prime95 testing? Should I stick with AIDA 64’s stability or focus on Prime95 that caused a blue screen after just 10 minutes?
2) Should I adjust the multiplier or increase the voltage now?
P.S. I believe disabling AVX is not advisable since OBS relies on it. Please correct if wrong.
Thanks for your help so far, and please let me know why my fan reaches 1600rpm when it should be 2000rpm under full load.
You can view my rig and OCCT testing results here:
https://drive.google.com/open?id=1TDCk-Y...oYC0opxnwc
I think about 85c should be the limit for stopping a stress test. That’s the standard for OCCT.
If your test doesn’t succeed, adjust your multiplier or increase the voltage. Watch the CPU-Z. I wouldn’t exceed 1.3v.
Your motherboard BIOS should include a fan control area. This is where the CPU cooling fan will be adjusted. The level of detail depends on the motherboard.
AVX can cause unusually high temperatures. If that happens, you might need to reduce the multiplier to handle heavy AVX use.
A few notes:
I notice your airflow setup isn’t ideal.
Take out the extra drive caddies so front intake air reaches your components better.
You likely have a fan installed in front as an intake.
Add an exhaust fan at the back.
Chieftec is seen as a questionable quality PSU.
The consistency of voltages provided might be unreliable.