i5-2500k overclock / cooling
i5-2500k overclock / cooling
I'm planning to boost the performance of my i5-2500k by overclocking, but currently it runs smoothly with the stock air cooler. I'm not aiming for extreme speeds—maybe around 4.1 or 4.2—but some users have pushed it up to 4.4 or even 4.5. I just want a bit more power to keep up with my new RX 580, and I’m curious if it’s really necessary. I’m not sure until the card arrives in a few days, but I’d like to have some cooling options ready.
I’ve never done overclocking before, and I’m unsure where to start. Also, I need recommendations on effective cooling solutions. Can a Hyper 212 Evo V fit the bill, or do I need something more powerful?
System details:
- Asus P8z68-V Gen 3 motherboard
- i5-2500k stock @3.3 GHz (with stock cooler)
- 16GB DDR3 1600MHz RAM (4x4)
- Radeon RX 580 8GB
- 750W power supply
- 128GB SSD (only for OS)
- 500GB HDD
Cooling options:
1. 80mm intake
2. 140mm intake
3. 140mm exhaust at the back
No way to vent out the top since I’m using an old case that looks like an alien head.
I have a small space in front where there was original liquid cooling, but it stopped working. The radiator has two fan slots, so I’m not keen on liquid cooling, but if it’s essential, I’m open to it. My goal is to play newer games at 1080p with 60 FPS, and my monitor supports 75Hz—so a bit above that isn’t critical.
You might consider setting the CPU to 4.2 - 4.5GHz and checking stability by completing regular tasks.
I used an Asus P8Z 68-V LXI, running it at 4.8GHz with the CM Hyper Evo 212 for many years. Now I’m using a 2500K on my HTPC and maintaining 4.2GHz.
At 4.2GHz I configured the cores to 42, and at 4.5 - 4.8GHz I adjusted the voltage to 0.005.
I also updated the BIOS by selecting the AI Tweaker tab, enabling the AI Overclock Tuner, setting the BCLK/PCIE frequency to 100, Turbo Ratio to By All Cores, and adjusting the internal PLL overvoltage to enabled. The CPU offset mode sign was set to + and the voltage to 0.005.
Yes, the CM Hyper Evo 212 is capable of delivering sufficient cooling for that level of overclocking. Share your system specifications to receive guidance on optimizing the 2500K.
Yes, the CM Hyper Evo 212 might be sufficient for that kind of overclocking. Please share your system details so I can assist with the OC process. Thanks for updating your post.
You might consider adjusting the CPU to 4.2 - 4.5GHz and checking for stability by completing regular tasks.
I used an Asus P8Z 68-V LXI, running it at 4.8GHz with the CM Hyper Evo 212 for many years. Now I’m using a 2500K on my HTPC and still maintaining 4.2GHz.
At 4.2GHz, I configured the cores to 42 and at 4.5 - 4.8GHz, adjusted the CPU voltage to 0.005.
I also implemented these BIOS modifications:
- In the BIOS, choose the AI Tweaker tab
- Enable AI Overclock Tuner
- Set BCLK/PCIE Frequency to 100
- Turbo Ratio to By All Cores
- Internal PLL Overvoltage to Enabled
- CPU Offset Mode Sign to +
- CPU voltage to 0.005 (when 45-48)
- On the Monitor tab:
- Disable Chassis Q-Fan Control
- Disable Anti Surge Support
- Enable BCLK/PCIE Frequency