Power Consumption
I use the Powenetics system to measure power consumption in every significant part of the mainboard, with up to 1000 readings per second.
Idle power consumption is low, and there is also an improvement in single-thread usage scenarios. In multi-thread applications, the power consumption is slightly increased compared to the 7800X3D, and the same applies to gaming.
I want to stress that 9950x’s power consumption has notably increased since I first tested this CPU on its launch date. Since I used the same mainboard (and system in general), I suspect the newer BIOS updates contributed to this power increase.
| AMD Ryzen 9 9950X Power Consumption | ||
| Aug 14, 2024 Results | Current Results | |
| Single-Threaded (AVG Power) | 64.143W | 72.549W |
| Multi-Threaded (AVG Power) | 234.959W | 302.812W |
| Gaming (AVG Power) | 158.96W | 167.636W |
| Peak Power Consumption | 286.16W | 366.372W |
The differences are enormous, especially in multi-thread (Cinebench R23) and the peak power consumption. I am not sure what AMD (or GBT since I use a GBT mainboard) is, but the fact is that I left this system untouched from the last time I used it, and I only updated the software and its BIOS to re-test it.
Peak Power Consumption
The peak power consumption is much higher than what I measured in the 7800X3D, but note that I used different mainboards. The board’s power delivery system plays a huge role in peak power measurements since its transient response defines the power spikes.
Power Consumption Graphs
Energy Usage
The 9800X3D’s efficiency is remarkable!
