- Joined
- Dec 3, 2019
- Messages
- 700 (0.44/day)
- Location
- Crawley
System Name | 3900x |
---|---|
Processor | AMD Ryzen 3900x |
Motherboard | Gigabyte Aorus X470 gaming 7 WiFi |
Cooling | Alphacool XT45 420mm Rad, 3 noctua 140 industrial 2000, EKWB EK-Quantum Kinetic TBE 200 D5 PWM |
Memory | 32GB (4 x 8GB) Corsair 3200 C16 Dominator Platinum OC to 3733 16-16-16-32-48 |
Video Card(s) | Gigabyte Aorus GeForce® RTX 2070 Super |
Storage | Samsung Evo 970 1TB NVMe M.2 SSD, Intel 660P 2TB NVMe M.2 SSD , Samsung 2TB 860 QVC |
Display(s) | AOC Q3279VWFD8 |
Case | Thermaltake View 71 |
Audio Device(s) | Sound Blaster G6 |
Power Supply | Seasonic Titanium 1000W with cable mods cables |
Mouse | Corsair Dark Core SE & Logitech G815 Keyboard |
Keyboard | Logitech G815 |
Software | wIn 10 Pro possibly Manjaro at some point |
I have a 3900x and have enabled PBO, XMP in the bios and use Ryzen high performance power setting within Windows, but not much more than that.
On some boots it will boost to 4.600 on its two best cores, at other times to 4.575 (like today) and at other times 'only' 4.550. All the other cores do not seem to be affected like this, reaching their 'usual' peak boost. This info I am taking from HWINFO64 (one time it reported that the best cores boost was 4.650). Simple benchmarking scores are affected by this of course. When the cores boost to 4.600 the TDC reaches 93% of its limit, EDC 100% during benchmarking, but when the peak boost is the slightly lower figure, the TDC will only reach 89%.
I am not so much interested in what scores and peak speeds that I can reach (although they are enjoyable), but in what affects and limits those cores from reaching their slightly better speeds and what might be done to reduce them. It doesn't look to be temperature, as with the lower speeds that reaches 71c and with the highest speed, 72c (I presume that is due to the reduced max TDC?).
I ask because I can boot once and get a high of say 4.575, reboot and 'only' reach 4.550, try again and obtain that 4.600. Is that down to pure chance or is there something that can be done to improve things?
I was wondering if it might be Windows background processes or programs that I have installed lowering the max speed on that boot? If that is so though why then does that alter on the next boot when they are all still running yet not seemingly affecting top performance? As I said, I am not asking 'just' to chase my best speed, but more so that I can understand what is happening and what may or may not be able to be done to ensure best performance.
On some boots it will boost to 4.600 on its two best cores, at other times to 4.575 (like today) and at other times 'only' 4.550. All the other cores do not seem to be affected like this, reaching their 'usual' peak boost. This info I am taking from HWINFO64 (one time it reported that the best cores boost was 4.650). Simple benchmarking scores are affected by this of course. When the cores boost to 4.600 the TDC reaches 93% of its limit, EDC 100% during benchmarking, but when the peak boost is the slightly lower figure, the TDC will only reach 89%.
I am not so much interested in what scores and peak speeds that I can reach (although they are enjoyable), but in what affects and limits those cores from reaching their slightly better speeds and what might be done to reduce them. It doesn't look to be temperature, as with the lower speeds that reaches 71c and with the highest speed, 72c (I presume that is due to the reduced max TDC?).
I ask because I can boot once and get a high of say 4.575, reboot and 'only' reach 4.550, try again and obtain that 4.600. Is that down to pure chance or is there something that can be done to improve things?
I was wondering if it might be Windows background processes or programs that I have installed lowering the max speed on that boot? If that is so though why then does that alter on the next boot when they are all still running yet not seemingly affecting top performance? As I said, I am not asking 'just' to chase my best speed, but more so that I can understand what is happening and what may or may not be able to be done to ensure best performance.