Monitoring programs perform this action to track certain activities or data.
Monitoring programs perform this action to track certain activities or data.
So why do BIOS and Task Manager's performance section show 3.4GHz while tools like CPU-Z, HWinFO64, Realbench, and ai suite ii report 3.9GHz? I used AI Suite II to upgrade the system, which raised the clock speed to 4.1GHz but caused excessive heat. I then went into BIOS and adjusted it manually. Since then things have been inconsistent. I tried resetting everything to default in BIOS, but only found an option for optimal defaults. I’d appreciate it if everyone could help me get consistent readings.
Yes, that's typical. It matches what you see in HWinfo regarding the core speed range of about 1100mhz to 3900mhz. Your BIOS snapshot also appears consistent.
I have a sense I shouldn't have opened that computer's AI suite II boost.
Asus Z77-A Intel i3770 @ 3.4GHz
16Gb RAM uncertain. DRAM speed? If yes, according to CPU-Z it's 686MHz. I'd prefer this at 1600 if possible.
EVGA GeForce GTX 1050 Ti works fine
Corsair CX600 – I know, a pretty bad PSU
Any other suggestions?
You can't. Since two different things are being read, it seems bios titles and other software are interpreting the actual cpu speed rather than what it's doing. If your cpu's base speed is 3.4GHz (like my i5-3570k), then most programs will display it as 3.4GHz, not 3.8GHz when turbo is on or 4.3GHz after being overclocked. Some programs such as Cpu-z show both the current speed and base speeds, while others just show the base speed.
In general, F5 in bios will reset the system to factory-optimized defaults, which are the intended settings. If you didn't undo the Asus software optimization, the software might believe one thing while the bios says another, causing conflicts.
I was also considering the possibility that the CPU might be reading lower in the BIOS because it isn't actively working, just sitting idle. Once I load Windows and begin tasks, it starts reading at 3.9GHz. CPU-Z shows a drop from 3900 to 1600 and then back up to 3900. I’ll need to try using default settings in the AI suite. I thought I did that. Maybe I had a dream about this.
No, in the BIOS the CPU reads the full base clock frequency. It doesn't show any turbo boost speeds or power-saving features like those found on desktops with Intel speed steps or AMD Cool N Quiet. Karadjgne is right about some applications only display the base clock while others that monitor it report the actual CPU speed continuously.
In the BIOS, the CPU speed will reflect the base clock frequency or any overclocked settings. In Windows, it will naturally adjust up or down based on needs. This is completely normal.
I suggest you try undoing any modifications made through AI Suite or IN AI suite, then remove it. After that, turn off the system, set the power supply switch to the Off position (or unplug it), remove the CMOS battery for a short time, then reinsert it carefully, ensuring the correct orientation, plug the PSU back in or restore the switch, and finally restart the BIOS to reset any custom fan or boot configurations. This should restore everything to its standard state.
I attempted to reset the OS settings in AI Suite. The only option available was to adjust the CPU slider back to 3.4, as it was stuck at 3.9. However, this action warned that the system might become unstable. The "OS Default Setting" section didn't respond properly. I caused this issue by using Auto Tune and pressing "Auto System Level Up!" which I now wish I hadn't done.
There are three speed options available for a CPU: idle, base, turbo, and OC. Idle mode functions as an energy-saving state where the processor pauses activity to conserve power. This approach aligns with environmental standards and aims to extend the device's operational life. When CPUs were first released, the speed reduction would lower the frequency to 1600MHz. Base speed represents the officially specified maximum performance, determined by both the CPU and Intel firmware. These settings remain consistent across all cores under any workload and help prevent overheating with standard cooling solutions. Turbo speed is a factory-configured overclocking level. It can be turned on or off through BIOS settings and reflects the manufacturer's confidence in maintaining performance, though actual heat output may vary. Turbo levels differ based on configuration—ranging from 3.9GHz to 4 cores at 3.6GHz—to balance workload demands and thermal management within the chip. OC stands for overclocking, a more advanced method where users adjust settings manually or via software. It offers flexibility but comes with risks; exceeding safe limits can cause instability or damage. Manufacturers like Asus provide specific guidelines, yet results depend heavily on hardware compatibility, BIOS support, and user expertise. Software-based OC tools such as AISuite are widely used, but they may not be optimized for every motherboard model. The process involves careful configuration to avoid failure, as incorrect settings can lead to system crashes or permanent instability. Manual overclocking remains the preferred method due to its reliability and control, while software adjustments are better suited for testing rather than long-term use.
It looks like removing the AI suite and resetting the BIOS to its default settings, or even temporarily taking out the CMOS battery, should restore everything properly. If this doesn’t work, reinstalling Windows might be the next step, though I’m not sure it’s essential if you stick to the advice given here.