Can you upgrade the Athlon 860K to reach 4.3 GHz?
Can you upgrade the Athlon 860K to reach 4.3 GHz?
I own this Gigabyte F2A68HM-H and the Rosewill RCX-Z1 cooler, which came with a fan controller. I pushed it to its limits but haven’t managed to reach stable 860k at 4.3ghz. Temperatures look fine, but I’m unsure if the issue lies with my motherboard or if I’ve got a faulty CPU. Every time I try 4.4ghz, performance drops significantly even after increasing voltage. Here are the test results:
4.3Ghz – [link]
4.4Ghz – [link]
You might be relying heavily on the silicone lottery. Yet it still amazes me how the Rosewill RCX-Z1 manages those temperatures at such high speeds. Probably because you didn’t raise the voltage. I had to adjust my CPU’s voltage to keep it stable above 4.2 GHz.
If you think you have some room for temperature adjustments and want to push further, increase the vcore slightly—about 0.005 at a time—and check if stability returns. I wouldn’t go that far with this board, though.
It seems you're questioning the performance of a low-cost cooler and asking about your current temperatures.
Even without overheating, the VRM might still be affected and lead to throttling.
It could be challenging with that motherboard. It isn't built for intense overclocking. Limited phase power and no heat sinks on the VRMs. My 860K reached a maximum of 4.3 on a much better board. I had to go down to 4.2 just to achieve stable performance at 100%. Also, this cooler only supports up to 95W, which matches the stock version. It's about as effective as the stock cooler was. Overclocking will likely strain the cooler's cooling ability. What temperatures have you recorded? Do you use the stock Vcore or have you increased it?
It could be challenging with that motherboard. It isn't built for high overclocking. It has low phase power and no heat sinks on the VRMs. My 860K reached a maximum of 4.3 on a much better board. I had to settle for 4.2 just to maintain stability at 100%. Also, the cooler only works up to 95W, which matches the stock cooler's performance. Overclocking will likely strain the cooler's cooling ability. What are your temperatures? Do you have the stock Vcore or did you upgrade it?
I assume turbo mode is turned off?
At load temps reached a maximum of 89°C
Idle temps at 40°C
Stock Vcore, turbo mode disabled.
Tested with Prime 95 for about 10 minutes
I can tolerate 4.3 GHz just in case I wanted more, so I bought this cooler because my case is really small and I only had $30 to spend.
89C! Core temp? You're about to ruin that CPU. That's definitely causing throttling.
The thermal margin on AMD overdrive reached a peak of 25.8 and is now 27.6 after running prime95 for about five minutes. The temperature readings were incorrect, with the thermal margin reflecting the opposite of the actual temperature. When AOD shows temperatures above 20°C under load, the system temperatures are normal. It's recommended to rely on AOD when using AMD processors. Later CPUs and APUs may have minor issues with accurate temperature reporting in certain conditions.