Temperatures on laptop rising to 100°C indicate overheating issues.
Temperatures on laptop rising to 100°C indicate overheating issues.
I manage the MSI GF63 thin laptop with these details: Intel Core i5 9300H, GTX 1650 Max Q, 8GB DDR4 RAM and 1TB HDD. While gaming, CPU temps hit 98-102°C (without cooler boost) and 96-99°C (with boost). I reduced temps to 92-95°C by undervolting, but that wasn’t enough. A cooling pad helped, though. Running the CPU at base speed (2.4GHz) instead of 4GHz fixed the issue for me, but it hurt multiplayer performance a lot. The game I play is Battlefield 4 from 2013, so I need to keep settings low. I bought this laptop just five months ago. Are there any ways to lower temps while using 4GHz?
When ambient temperatures exceed 25°C, a lightweight gaming laptop won't perform well with boost activated. This issue partly stems from Intel's chip rating for 35W while drawing more than double that power, leading to higher heat generation. You might consider reworking the CPU if it relies on a subpar shared heatsink or heatpipe setup that the GPU also uses for cooling. Optimal performance usually requires distinct cooling solutions.
Is it set to run at 4Ghz? At default factory settings while playing it shouldn’t be stuck there. If it isn’t, I’d think there might be some dust buildup or the thermal paste isn’t making proper contact. Another chance is the paste could be expired, given the notebook has been sitting around for over a year considering its specs.
Reduce CPU voltage and let boost and speed manage themselves—certainly performance drops at lower frequencies but a laptop shouldn’t keep boosting nonstop. On my i7-9750H I’m running at -0.125v stock speeds; fans drop from 60-70% to 40-50% while staying quiet (90-95°C temps). Also, replacing the thermal paste helps—prevents throttling at full speed initially and keeps noise down after a paste swap to Artic MX-5.
Replace the CPU and GPU with Arctic and Thermal Grizzly for optimal performance. Ensure the new heatsink is mounted correctly to avoid poor thermal contact, as an improper fit can negate any changes in thermal paste.
You have the option to control your CPU speed through ThrottleStop. You don’t need to lower it all the way down to a minimal setting. Adjust the Turbo Ratio Limits in the FIVR window or modify the Speed Shift Max value in the TPL window. This lets you reduce turbo boost without shutting it off entirely. These temperatures are typical for Intel processors. Gaming laptops often run at these levels for extended periods. If it feels excessively hot, try running at 3.6 GHz instead of 4.0 GHz. That should keep your CPU below 90°C. Over time, think about refreshing the thermal paste every few months or annually. Please share some screenshots of ThrottleStop so I can understand your setup. The 9300H model has a 45W TDP rating. Most laptop makers cap mobile CPUs at this value. https://ark.intel.com/content/www/us/en/...0-ghz.html This is ideal. When three or four cores are active and the CPU stays within its rated TDP, it should operate at 4.0 GHz. That matches Intel’s official speed. https://en.wikichip.org/wiki/intel/core_i5/i5-9300h
Ensure it isn't being pushed beyond 4GHz. Dust the vents, use higher-quality thermal paste, or move the laptop up or use an affordable cooling fan stand.
I observed that Speed Shift EPP was set on the main display, yet it wasn’t functioning properly since the system didn’t activate Speed Shift Technology. Most machines equipped with Intel 9th Gen mobile processors automatically enable this feature. If you don’t see a Speed Shift option in the BIOS and wish to use it, start by turning it on. Navigate to the TPL window, verify the Speed Shift setting, and click OK. On the main screen, you should notice SST highlighted in green, indicating that Speed Shift is active. To manage heat, consider lowering turbo boost levels without fully shutting it down. On the main display, remove the checkbox next to Disable Turbo. Switch to the FIVR window and tweak the turbo ratio limits—values like 41, 39, 37, or 35 might work better than the default. This adjustment won’t eliminate performance entirely but will prevent complete shutdown. Intel’s design allows handling temperatures up to around 100°C, which is why they set thermal limits at that point. Your laptop has raised its safe threshold to 95°C for added protection. A -150 mV undervolt is near the stability boundary; if your system runs smoothly without crashes or BSODs, it’s acceptable. If issues arise, lower the offset by -140 mV or -130 mV. It’s usually better to adjust core voltage more than cache. For testing, stick to a consistent benchmark such as Cinebench R20. See results here: https://www.techpowerup.com/download/maxon-cinebench/ For further guidance, check the log files in ThrottleStop and play a game for at least 15 minutes to capture performance data. You can share the results via Pastebin if needed.
If you need assistance, enable the Log File option in ThrottleStop and run a game for a while. This will create a performance and temperature record. Attach the log or paste the data here.
The Intel GPU undervolt isn’t essential. During gameplay, the Nvidia GPU handles most of the workload. Lowering the voltage on the Intel GPU may cause instability without significantly cutting power use. If you choose to undervolt the Intel GPU, don’t forget to match the iGPU voltage reduction. These settings are connected—neglecting one can render the other ineffective. When idle, ThrottleStop typically shows 0.5%–1.0% in the C0 state. If your idle percentage is unusually high, open Task Manager, go to Details, and check what processes are consuming resources. Many users face overheating from background tasks; reducing unnecessary applications can help lower temps.