BD PROCHOT encountering performance problems within the game.
BD PROCHOT encountering performance problems within the game.
Hello, I own a Dell G15 5510 gaming laptop equipped with an i7 10870h and RTX3060. While playing a new game, I noticed some performance problems. I started checking by turning on the MSI Afterburner overlay to monitor temperatures and clock speeds. The CPU temps were normal (60-70) and the GPU was around 50-60. However, the CPU would drop to 800MHz for a brief moment before returning to 4.1GHz repeatedly. Upon checking the limits section, I found a BD PROCHOT setting that was active only during gaming. I disabled it, which resolved the issue and brought the temperatures back to (CPU 70-87, GPU 60-70). I’m still curious about the cause—why does this happen? It seems to occur only during gaming, and I tried keeping BD PROCHOT enabled while disabling Turbo Boost. That locked the CPU to its default speed of 2.2GHz, eliminating performance issues and stabilizing temperatures. I’m also concerned about the CPU’s potential performance limits. I’ve collected some log files from a 10-15 minute test and hope they provide further insight. 2024-01-04.txt
The VRM temperatures might be the main issue. You can check them using a multimeter or monitoring software to see if they're within safe limits.
Check for temperatures or current readings and see if they show up in HwInfo.
When I run CPU-heavy tests such as Cinebench, the BD PROCHOT doesn't appear.
ThrottleStop alerts about VR temperature issues when voltage regulators become too hot. It also signals VR current if the regulators can't supply enough power to the CPU. BD PROCHOT throttling operates independently from voltage regulator concerns. Manufacturers haven't publicly listed which sensors trigger this type of throttling. Without understanding the root cause, it's unclear whether Dell employs this method for legitimate reasons or if it stems from a faulty sensor, as suggested by @Somerandomtechyboi. The throttling can be extreme, causing the CPU to run only at a third of its rated speed. If I had purchased a high-end laptop with a 10870H and received such performance, I would be very dissatisfied. The log indicates that Nvidia GPU speed drops at the end of a game, after which the CPU restarts to full speed. Many throttling strategies depend on the Nvidia GPU being active. It seems Dell's design may not supply sufficient power to run both the CPU and Nvidia GPU at optimal speeds simultaneously. When the GPU reaches a certain power threshold, BD PROCHOT throttles the CPU to manage heat, allowing some power for the GPU. Your CPU might be limited to just 2200 MHz during stress tests. This is typical behavior from Dell, having used various throttling methods for over a decade. If you attempt to resolve this issue, BD PROCHOT throttling should return. It resembles a game of whack-a-mole. If my laptop were affected, I would clear the BD PROCHOT option and focus on fixing other throttling settings. It's uncertain whether running your CPU and GPU at full capacity will be safe. Are you using the original Dell power adapter? Some throttling problems arise from using underpowered chargers. I recommend inspecting the MMIO Lock box in the TPL window. The MMIO power limit can change unexpectedly and affect performance. Also, check the Speed Shift box in the TPL window.