Gaming PC

Nvidia Details GeForce RTX 4090 FE PCB: 23 Phases and Clean Power

Nvidia on Wednesday revealed the printed circuit board (PCB) design of its GeForce RTX 4090 graphics card, revealing some features of the new product. After all, the company completely redesigned the card’s voltage regulation module (VRM) and added his PID controller with a feedback loop to ensure proper power delivery to the GPU and overclocking potential has been maximized.

When fully assembled, Nvidia’s GeForce RTX 4090 Founders Edition graphics card resembles its predecessor as it continues to use the massive dual-fan cooling system featuring its unibody design. However, this new product has some distinctive differences not only on the outside, but, more importantly, on the inside.

Like the previous generation Founders Edition graphics cards, the new GeForce RTX 4090 FE uses a very sleek and compact PCB, with a triangular cut on the back (or right side, depending on how you look at it) for maximum efficiency. is applied. It’s part of Nvidia’s trajectory over thermal design (which is further boosted by more huge fans).

(Image credit: Nvidia)

There is one 12+4 pin 12VHPWR additional PCIe Gen5 power connector on the PCB, which can power the device up to 600W, but Nvidia’s GeForce RTX 4090 FE draws over 450W with default BIOS settings I can not do it. The board also comes with a 20+3 phase VRM (20 phases for GPU and 3 phases for memory) which is a slight improvement from the GeForce RTX 3090/3090 Ti FE’s 18+3 phase power circuit.

In addition to more power phases, Nvidia has PID controller with feedback loop Reduce current spikes and drops, effectively stabilizing power delivery to your GeForce RTX 4090 Founders Edition graphics card. Tech Power UpNvidia says its new VRM can significantly reduce power management response times without quantifying them in absolute terms. A stable and clean power supply is essential for stability under heavy load and overclocking conditions. Green companies call this feature “Power Transient Management”. This could be one way to push the AD102 graphics processor to 3 GHz without using overvoltage or extreme cooling methods.

NVIDIA

(Image credit: Nvidia)

In addition to beefing up the cooling system with a larger fan offering up to 20% more airflow and redesigning the power delivery, Nvidia also uses new GDDR6X memory chips in the lower power GeForce RTX 4090 FE. . How the power consumption of DRAMs with PAM-4 signaling was reduced can only be speculated, but Micron used a thinner manufacturing process to produce these chips, automatically reducing power consumption. I suggest that you On the other hand, using cooler memory will allow the cooling system to cool the GPU better. This means extra overclocking headroom.

Nvidia’s GeForce RTX 4090 Founders Edition graphics card launches on October 12th and could join the best graphics cards for those willing to shell out at least $1599 per unit.

(Image credit: Nvidia)

Related Articles

Back to top button