A source known for its connections with PC component manufacturers has spilled the beans on the NVIDIA RTX 5090’s power setup and some other juicy tech details like a 14-layer printed circuit board (PCB).
According to the website Benchlife, the upcoming flagship Blackwell GPU will feature a 16+6+7 power phase design. For comparison, the reference NVIDIA RTX 4090 sports a 20+3-phase setup, while the RTX 3090 Ti has 18+3 phases.
The source also confirms a TGP (Total Graphics Power) of 600 Watts for the card. It’s worth noting that TGP indicates the total power that can be supplied to the device, while TDP (Thermal Design Power) refers to the maximum power consumption. This means the actual power limit of the GPU will likely be lower than the TGP. Sources sometimes mix up these terms, which can be a bit startling for readers. The following specs have also been confirmed:
- Memory — 32 GB GDDR7
- PCB — 14-layer
- Power connector — 1x 12V-2×6
- Interface — PCI Express 5.0×16
The NVIDIA RTX 5090 also boasts a 14-layer PCB. It’s unclear whether this refers to the reference card, the Founders Edition, or one from another manufacturer. The confirmed configuration includes 32 GB of GDDR7 memory. The expected speed of 28 Gbps or other has not yet been confirmed by the source. The NVIDIA GB202 GPU, measuring 744 mm², will be one of the largest in the RTX family. It’s slightly smaller than the TU102 (Turing, 754 mm²) but larger than the AD102 (Ada, 608 mm²) and GA102 (Ampere, 628 mm²).
Sources: Benchlife, VideoCardz
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