Did you miss out on the silicon draw for your 7700k?
Did you miss out on the silicon draw for your 7700k?
I have a 7700k with an Asus Hero z270 motherboard and a Fractal Celsius s24 AIO cooler. The maximum I can achieve is around 4.8 with a voltage of 1.315v. When I set it to 4.9, it becomes unstable. I've tried up to 1.36v but still experience crashes right after starting any benchmark test. Did I miss something or end up in a tough spot? Looking online, I see many different settings, but I thought since I got stable at 4.8 with 1.315, I could reach a steady 4.9.
Yeah... even that guide mentions starting with your CPU's maximum before enabling XMP. Results vary based on your CPU and RAM setup (I'm using gskill Trident Z 3200 CL14). You might achieve higher speeds by adjusting memory timings and voltage manually, but first see what the CPU can handle. I use Intel Burn Test and ASUS RealBench to check max temperatures during stress tests. Have you experimented with Cpu Load Line Calibration? If it's set to auto, your VCore can drop by 0.3-0.4 under stress, causing instability. Working at 4-5 is acceptable, but 6 is fine too, though 7 is the upper limit but not recommended.
I also tried different configurations. RAM timings weren't ideal, and I didn't want to risk overheating with a core voltage around 1.38. I kept XMP off at 5GHz and used 5.2GHz with xmp enabled. I also adjusted the core voltage to 1.305V using adaptive settings in BIOS. What other changes did you make?
Maebius shares his experience using the same motherboard and CPU. He suggests testing with XMP disabled (stock 2133Ghz). In his setup, he used 5 with XMP enabled and 5.2 with it off. Due to poor RAM timings and discomfort with high temperatures (vcore around 1.38), he kept the settings at 5, XMP off, and adjusted the BIOS. He asked about other changes such as CPU LLC, AVX Offset, or Uncore. He followed a guide from edgeup and listed his configurations: AI Overclock Tuner set to XMP, DRAM Frequency at DDR4-3200mhz, CPU Core Ratio synced, 1-Core Ratio Limit at 48, IA AC Load Line and DC Load Line both at 0.01, CPU Core/Cache Voltage in Adaptive Mode, and additional turbo mode CPU core voltage at 1.315.
Yeah... even that guide mentions starting with your CPU's maximum capacity before enabling XMP. Results vary based on CPU and RAM quality (I'm using gskill Trident Z 3200 CL14). You might achieve higher speeds by adjusting memory timings and voltage manually, but first check the CPU's limits. I use Intel Burn Test and ASUS RealBench to see what temperatures I can reach during stress tests right now. Have you experimented with Cpu Load Line Calibration? If it's set to auto, your VCore can drop by 0.3-0.4 under stress, which might cause instability. Working at 4-5 is acceptable, but 6 is fine too, though 7 is the upper limit and not advised.
Maebius agrees with the advice in the guide, emphasizing the importance of starting with your CPU's maximum capacity before enabling XMP. He notes that outcomes vary based on CPU and RAM performance, mentioning his use of gskill trident z 3200 cl14. Suggesting manual adjustments to memory timings and voltage might help, but testing the CPU's upper limits is recommended first. He shares his experience with Intel Burn Test and ASUS RealBench, reporting average low 70s temperatures during stress tests, with occasional spikes into the high 70s. He appreciates the suggestions and plans to disable XMP while experimenting with LLC settings.
Maebius shared some insights on the matter. The guide suggests beginning with the maximum CPU height before enabling XMP. Results vary based on CPU and RAM performance, which is why some users succeed while others don't. Adjusting memory timings and voltage manually could help, but testing at higher CPU heights is recommended first. Maebius used Intel Burn Test and ASUS Realbench to check max temperatures during stress tests. They experimented with Cpu Load Line Calibration; if it auto-adjusts, the vcore can drop by 0.3-0.4, causing instability. Working around 4-5 was acceptable, though 6 is possible but not ideal, and 7 is the upper limit but not advised. They found success with LLC, achieving 4.9 at 1.34v in BIOS with XMP for RAM (3200 14-14-14). Temperatures rose from the high 70s to mid 80s during stress tests, improving when using Intel Extreme Utility. It seems a bit extreme for everyday use, but it’s better than nothing. They plan to try further adjustments and see if they can exceed these values. Thanks for the guidance!
Happy to assist!
The mid-80s aren't a major concern for stress testing.
LLC is frequently ignored as a configuration and asus (at least our m/b) behaves similarly at level 2-3 when running in auto.
You might experiment with 5GhZ and an AVX offset of 1 if you wish... run stability tests using prime95 version 26.6 with small FFTs.
If the results are stable, you'll be able to play games at 5Ghz, and if AVX is used, the CPU will perform around 4.9 on those tasks.