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AMD Ryzen 9 9950X on the Gigabyte B650M Aorus Elite AX
The AMD Ryzen 9 9950X holds its clocks on the Gigabyte B650M Aorus Elite AX: the board's 12 Vcore stages carry about 729 W and the processor asks for 225 W in a sustained all-core load, which is 31 % of capacity and an estimated 58 °C at the VRM.
There is a full write-up for this pairing once it reaches the publication queue. Until then, everything the engine knows about it is on this page.
- Estimated VRM temperature
- 58 °C
- Stress ratio
- 0.31
- Capacity score
- 81/100
- Clock loss
- 0 %
Estimated VRM temperature
AMD Ryzen 9 9950X on Gigabyte B650M Aorus Elite AX: estimated 58 °C sustained, 59 °C at peak boost. Risk band: NONE.
- Sustained
- Sustained 58 °C
- Peak boost
- Peak boost 59 °C
Power delivery
This pairing is not close to any limit. 225 W against 729 W of capacity leaves the Gigabyte B650M Aorus Elite AX running its stages at 31 % load, and our model puts the VRM at 58 °C in a closed case. Nothing about the AMD Ryzen 9 9950X pushes this board into the region where clocks start dropping.
The Gigabyte B650M Aorus Elite AX carries 12 Vcore power stages rated 60 A each, driven in doubled pairs, which costs a little transient response, with a solid block across both banks. That works out to about 729 W of sustained core power once the design and the cooling are accounted for, which is the number the AMD Ryzen 9 9950X's 225 W is measured against.
Buy it on the rest of the specification rather than on power delivery, because at 31 % of capacity the VRM has stopped being the interesting variable. Count the M.2 slots you need, check the rear ports against what you actually plug in, and let the Gigabyte B650M Aorus Elite AX's 12 stages get on with it.
Warning: This board needs a BIOS update first
The Gigabyte B650M Aorus Elite AX shipped with firmware that predates Zen 5, so a board taken off the shelf may not post with the AMD Ryzen 9 9950X until its BIOS is updated.
Note: PCIe 5.0 from the CPU runs at 4.0 speeds here
The AMD Ryzen 9 9950X provides PCIe 5.0 lanes but the Gigabyte B650M Aorus Elite AX wires its slots for PCIe 4.0. Nothing stops working; a Gen 5 SSD simply runs at Gen 4 speed, which no game notices.