I7-3770K Overclocking
I7-3770K Overclocking
Safe temperatures are around 88°C, voltage is set at 1.168V (up 0.100V), and the GHz is 4.5Ghz. Will this overclock shorten the CPU's lifespan? I wonder if it will affect safe temps in the future. P.S. Previously, I overclocked at 4Ghz without raising voltage; then temperatures were 70°C. System details: CPU I7-3770K, GPU GTX 960, motherboard P8Z68-V LX, cooler Dark Rock 4 Pro, PSU Corsair RM 650x.
My god.. 1.68? You're just asking for a meltdown. 3770k reaches 4.5ghz on air cooling at 1.275 volts roughly. Don't push beyond 1.3 on an Ivy Bridge—it's already hot enough! And keep your CPU core temps under 90c; even 80 makes me uncomfortable for long periods. Start with a lower frequency as a baseline and adjust from there. I can't believe 1.68 boots up like that. Good luck!
Ops i Edited ...
😀
1.168
Ki nik 1.68
😀
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Dit is gaming rig Wanne temperaturen rond 60c
I7-3770K. Kraken x61. Prime95 v26.6 intense FFT testing. Gaming temperatures.
4.9GHz, 1.32v, 72°C, 56°C
4.6GHz, 1.208v, 68°C, 55°C
4.3GHz, 1.118v, 56°C, 53°C
These processors last hardware for more than two decades. You're within safe limits up to 1.4V, though pushing it is challenging. For significant heat buildup, aim for around 1.4v or higher, but with those settings the temps shouldn't be extreme on the cooler either. Consider tweaking the fan curve or verifying airflow.
small fft torture CPU temps at 78c
Aida64 Stress FPU FPU 86c
my cooler seems to handle the heat
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Airflow works great! Heat pipes stay cool.
http://prntscr.com/ndyqmu
I added thermal compound in a similar way
I believe thermal paste inside the CPU isn't the issue...
What do you think about my VRAM overheating on a 3.5Ghz CPU? My motherboard lacks cooling fans...
https://www.aliexpress.com/item/Gen...as...80126.html
I tried this thermal paste (not from AliExpress)
MX-4 isn't bad at all, it's in the upper half of the list. So no worries there.
Paste is OK on cpu.
Not that much to worry about with the VRM's as long as they get at least a little air movement across that area. Asus uses high grade mosfets that'll take a lot of heat, but also, the heatsink isn't the main source of cooling, it's an addition. The main source is the ground plane in the motherboard itself, which is quite large, so as long as there's some breeze over the mobo in that area, you aren't pushing those mosfets that hard. 1.168v is chump change when you consider that those 3rd gen cpus often have stock voltages closer to 1.25v.
Overclocking is constrained by two main aspects: voltage and temperature. Each processor differs, with unique tolerance for voltage, heat management, and overclock potential—often called the "silicon lottery." As the Core speed rises, the core voltage (Vcore) must also rise to ensure stability. This leads to higher power usage, which in turn raises core temperatures. Processors that are overclocked at higher Vcore may exceed their rated TDP by more than 50%, making effective cooling essential. Setting Vcore in "Auto" mode is not advisable because the BIOS will apply excess voltage to maintain stability, increasing power draw and heat generation. Prolonged exposure to excessive heat can harm electronic components, so even with manual settings, careful management is necessary. Excessive heat can cause damage over time, leading to issues like blue-screen crashes that become more common. CPU chips are particularly vulnerable to electromigration, a process that weakens internal traces and junctions due to high temperatures. This can eventually result in system failures. Intel’s 14nm microarchitecture stands out as an exception, benefiting from improved FinFET transistor technology that enhances voltage tolerance. For processors like the i7-3770K (3rd Gen, 22nm), the recommended core voltage range between 14 and 65 nanometers is up to 1.3 Vcore. When adjusting near the upper limits, a 100 MHz boost typically requires about 50 millivolts more to keep things stable. If you need 70 millivolts or more for another 100 MHz increase, it indicates the processor is being overclocked beyond its safe range. Core temperatures should ideally stay below 80°C, with higher temps being less desirable. Temperatures above 85°C are discouraged, while those under 80°C are preferred. These temperatures fluctuate based on ambient conditions. Understanding your room temperature is important. With strong cooling solutions, you might surpass the Vcore limit before reaching 85°C. With weaker cooling, you’ll hit it sooner. Always consider the bigger picture—small gains in clock speed often come with significant risks if not managed properly. For a beginner’s reference on overclocking, see:
Rainbow six siege crashes when I play at 144fps on a 144hz monitor, but it runs smoothly at 100fps. My previous I5-3350p handled 100fps without issues. I bought this used CPU specifically for 144hz in Rainbow six siege, but it doesn’t work that way.
I suspect the problem might be overheating or crashes at 4.5ghz, possibly due to thermal paste issues inside the CPU. On 4.5ghz, max voltage limits are 85°C (AIDA64 stress FPU), while at 4ghz it’s 72°C. It seems my motherboard might be too slow, or the RAM is too fast. My motherboard model is P8Z68-V LX, with two 4GB Corsair 1600hz modules and two 2GB unbranded 1600hz modules (total 12GB).
You'd be very fortunate to achieve 4.5GHz with IvyBridge. I spent many hours fine-tuning it. Anything exceeding 1.25V with a moderate to low LLC and optimized phase control wouldn't push me past 4.4GHz. It simply became hotter, and more rapidly. 1.25V at 4.4GHz let me run Prime 95 stably under 70F using either a 120mm AIO liquid cooler or a Hyper 212. The issue stemmed from Intel's stacking of transistors. Although 3D stacking functioned, it resulted in an unappealing vertical structure—consistent thickness but uneven layers. This was corrected with the 5xxx series. (And the ability to use higher voltages is due to uniform conductor thickness.) I believe this explains Intel's strong push for their 10nm multi-patterning process. The vertical 3D transistor enabled faster switching eventually, but required exact manufacturing to maintain consistent fin width. Thus, precise multi-patterning was essential to keep transistors operating at similar speeds. (Disclaimer: This is based on my own understanding.) Each additional layering pattern increases the risk of failure. Intel has reportedly conducted numerous imaging passes recently. Moving to 7nm would further complicate this process. In short, by increasing transistor precision during imaging, Intel has effectively constrained itself, making node shrinkage significantly more challenging.
I know this subject is centered around overclocking the i7 3770k... As mentioned, I already have the same CPU in my setup and have successfully reached a stable overclock of 4.2ghz. The upper limit for pushing this CPU without altering the voltage remains at 4.2mhz (or 42x). Still, tweaking the RAM speed slightly can make a difference... Even when using a new RTX card. With both CPU and RAM overclocked a bit, you might notice a boost in FPS by 10 to 20 compared to the stock version at 3.5ghz. That’s definitely true with a system that has limitations... I’ve used an RTX 2080 Founder's Edition and achieved better FPS than my SLI GTX 980 Founder's Edition. If you have any questions about stable overclocking RAM[XMP] or CPU... feel free to share this on the forum. Please be aware that the i7 3770k gets quite hot during overclocking, so consider getting an AIO with at least 2-3 fans and adjusting fan speeds via UEFI (BIOS). I understand this post is a few months old, but it’s meant for people with this CPU who want to extract its full potential.